json output for list command

* add ci

* format code

* update go version

* update go file

* add kindlegen

* update go file

* update go file

* test ci

* multiline run

* edit go file

* fix tar

* mv kindlegen to usr local bin

.github/workflows/format.yml

@@ -0,0 +1,15 @@
+name: Format
+
+on:
+  push:
+    paths:
+      - '**.go'
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Check formatting
+      run: if [[ -n "$(gofmt -l .)" ]]; then exit 1; fi

.github/workflows/release.yml

@@ -0,0 +1,18 @@
+on:
+  release:
+    types: [created]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [linux, darwin, windows]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: wangyoucao577/go-release-action@v1.30
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        goos: ${{ matrix.goos }}
+        goarch: amd64

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Test
+
+on:
+  push:
+    paths:
+      - '**.go'
+      - 'go.mod'
+      - 'go.sum'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.18
+    - name: Install kindlegen
+      run: |
+        curl -L https://github.com/lapwat/papeer/releases/download/kindlegen/kindlegen_linux_2.6_i386_v2_9.tar.gz > kindlegen.tar.gz
+        tar xzvf kindlegen.tar.gz
+        chmod +x kindlegen
+        mv kindlegen /usr/local/bin
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Test
+      run: make test

LICENSE.md

@@ -0,0 +1,675 @@
+### GNU GENERAL PUBLIC LICENSE
+
+Version 3, 29 June 2007
+
+Copyright (C) 2007 Free Software Foundation, Inc.
+<https://fsf.org/>
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+### Preamble
+
+The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+the GNU General Public License is intended to guarantee your freedom
+to share and change all versions of a program--to make sure it remains
+free software for all its users. We, the Free Software Foundation, use
+the GNU General Public License for most of our software; it applies
+also to any other work released this way by its authors. You can apply
+it to your programs, too.
+
+When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
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+
+To protect your rights, we need to prevent others from denying you
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+software, or if you modify it: responsibilities to respect the freedom
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+
+For example, if you distribute copies of such a program, whether
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+
+Developers that use the GNU GPL protect your rights with two steps:
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+
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+
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+
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+
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+"This License" refers to version 3 of the GNU General Public License.
+
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+
+To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
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+public, and in some countries other activities as well.
+
+To "convey" a work means any kind of propagation that enables other
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+
+An interactive user interface displays "Appropriate Legal Notices" to
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+The "source code" for a work means the preferred form of the work for
+making modifications to it. "Object code" means any non-source form of
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+
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+work.
+
+#### 2. Basic Permissions.
+
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+copyright on the Program, and are irrevocable provided the stated
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+
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+without conditions so long as your license otherwise remains in force.
+You may convey covered works to others for the sole purpose of having
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+you must do so exclusively on your behalf, under your direction and
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+
+Conveying under any other circumstances is permitted solely under the
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+it unnecessary.
+
+#### 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such
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+respect to the covered work, and you disclaim any intention to limit
+operation or modification of the work as a means of enforcing, against
+the work's users, your or third parties' legal rights to forbid
+circumvention of technological measures.
+
+#### 4. Conveying Verbatim Copies.
+
+You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
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+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+#### 5. Conveying Modified Source Versions.
+
+You may convey a work based on the Program, or the modifications to
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+terms of section 4, provided that you also meet all of these
+conditions:
+
+-   a) The work must carry prominent notices stating that you modified
+    it, and giving a relevant date.
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+-   d) If the work has interactive user interfaces, each must display
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+used to limit the access or legal rights of the compilation's users
+beyond what the individual works permit. Inclusion of a covered work
+in an aggregate does not cause this License to apply to the other
+parts of the aggregate.
+
+#### 6. Conveying Non-Source Forms.
+
+You may convey a covered work in object code form under the terms of
+sections 4 and 5, provided that you also convey the machine-readable
+Corresponding Source under the terms of this License, in one of these
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+
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+    (including a physical distribution medium), accompanied by the
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+    long as you offer spare parts or customer support for that product
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+    copy of the Corresponding Source for all the software in the
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+    alternative is allowed only occasionally and noncommercially, and
+    only if you received the object code with such an offer, in accord
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+-   d) Convey the object code by offering access from a designated
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+    provided you inform other peers where the object code and
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+    public at no charge under subsection 6d.
+
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+included in conveying the object code work.
+
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+modified object code on the User Product (for example, the work has
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+
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+updates for a work that has been modified or installed by the
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+
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+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+#### 7. Additional Terms.
+
+"Additional permissions" are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law. If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
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+
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+add to a covered work, you may (if authorized by the copyright holders
+of that material) supplement the terms of this License with terms:
+
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+    author attributions in that material or in the Appropriate Legal
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+
+All other non-permissive additional terms are considered "further
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+received it, or any part of it, contains a notice stating that it is
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+
+If you add terms to a covered work in accord with this section, you
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+
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+
+#### 8. Termination.
+
+You may not propagate or modify a covered work except as expressly
+provided under this License. Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
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+
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+
+Moreover, your license from a particular copyright holder is
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+
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+licenses of parties who have received copies or rights from you under
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+material under section 10.
+
+#### 9. Acceptance Not Required for Having Copies.
+
+You are not required to accept this License in order to receive or run
+a copy of the Program. Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
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+covered work, you indicate your acceptance of this License to do so.
+
+#### 10. Automatic Licensing of Downstream Recipients.
+
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+
+An "entity transaction" is a transaction transferring control of an
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+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+#### 11. Patents.
+
+A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based. The
+work thus licensed is called the contributor's "contributor version".
+
+A contributor's "essential patent claims" are all patent claims owned
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+sue for patent infringement). To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients. "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+A patent license is "discriminatory" if it does not include within the
+scope of its coverage, prohibits the exercise of, or is conditioned on
+the non-exercise of one or more of the rights that are specifically
+granted under this License. You may not convey a covered work if you
+are a party to an arrangement with a third party that is in the
+business of distributing software, under which you make payment to the
+third party based on the extent of your activity of conveying the
+work, and under which the third party grants, to any of the parties
+who would receive the covered work from you, a discriminatory patent
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+connection with specific products or compilations that contain the
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+license was granted, prior to 28 March 2007.
+
+Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+#### 12. No Surrender of Others' Freedom.
+
+If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under
+this License and any other pertinent obligations, then as a
+consequence you may not convey it at all. For example, if you agree to
+terms that obligate you to collect a royalty for further conveying
+from those to whom you convey the Program, the only way you could
+satisfy both those terms and this License would be to refrain entirely
+from conveying the Program.
+
+#### 13. Use with the GNU Affero General Public License.
+
+Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+#### 14. Revised Versions of this License.
+
+The Free Software Foundation may publish revised and/or new versions
+of the GNU General Public License from time to time. Such new versions
+will be similar in spirit to the present version, but may differ in
+detail to address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies that a certain numbered version of the GNU General Public
+License "or any later version" applies to it, you have the option of
+following the terms and conditions either of that numbered version or
+of any later version published by the Free Software Foundation. If the
+Program does not specify a version number of the GNU General Public
+License, you may choose any version ever published by the Free
+Software Foundation.
+
+If the Program specifies that a proxy can decide which future versions
+of the GNU General Public License can be used, that proxy's public
+statement of acceptance of a version permanently authorizes you to
+choose that version for the Program.
+
+Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+#### 15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
+DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
+CORRECTION.
+
+#### 16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+#### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+### How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+        <one line to give the program's name and a brief idea of what it does.>
+        Copyright (C) <year>  <name of author>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+        <program>  Copyright (C) <year>  <name of author>
+        This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+        This is free software, and you are welcome to redistribute it
+        under certain conditions; type `show c' for details.
+
+The hypothetical commands \`show w' and \`show c' should show the
+appropriate parts of the General Public License. Of course, your
+program's commands might be different; for a GUI interface, you would
+use an "about box".
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU GPL, see <https://www.gnu.org/licenses/>.
+
+The GNU General Public License does not permit incorporating your
+program into proprietary programs. If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library. If this is what you want to do, use the
+GNU Lesser General Public License instead of this License. But first,
+please read <https://www.gnu.org/licenses/why-not-lgpl.html>.

Makefile

@@ -2,13 +2,12 @@ format:
 	gofmt -s -w .
 
 test:
-	go test github.com/lapwat/papeer/book
+	go test ./...
 
 install:
 	go install
 
 clean:
-	find . -maxdepth 1 -not -name 'README.md' -name '*.md' -delete
+	find . -maxdepth 1 -name '*.md' -not -name 'README.md' -delete
 	find . -maxdepth 1 -name '*.epub' -delete
 	find . -maxdepth 1 -name '*.mobi' -delete
-	find . -maxdepth 1 -name 'papeer-v*' -delete

README.md

@@ -1,101 +1,129 @@
 # Papeer
 
-Papeer is a tool that lets you scrape content from the internet. It can scrape any web page, keeping only relevant content (formatted text and images) and removing ads and menus. You can export the content to Markdown, EPUB or MOBI files.
+Papeer is a powerful **ereader internet vacuum**. It can scrape any website, removing ads and keeping only the relevant content (formatted text and images). You can export the content to Markdown, HTML, EPUB or MOBI files.
+
+# Table of contents
+
+- [Usage](#usage)
+  * [Scrape a web page](#scrape-a-web-page)
+  * [Scrape a whole website](#scrape-a-whole-website)
+    + [`depth` option](#-depth--option)
+    + [`selector` option](#-selector--option)
+    + [Display the table of contents](#display-the-table-of-contents)
+    + [Scrape time](#scrape-time)
+- [Installation](#installation)
+  * [From source](#from-source)
+  * [From binary](#from-binary)
+    + [Linux / MacOS](#linux---macos)
+    + [Windows](#windows)
+  * [MOBI support](#mobi-support)
+- [Autocompletion](#autocompletion)
+- [Dependencies](#dependencies)
 
 # Usage
 
+## Scrape a web page
+
+The `get` command lets you retrieve the content of any web page or RSS feed.
+
 ```
-Browse the web in the eink era
+Scrape URL content
 
 Usage:
-  papeer [flags]
+  papeer get URL [flags]
-  papeer [command]
 
-Available Commands:
+Examples:
-  completion  generate the autocompletion script for the specified shell
+papeer get https://www.eff.org/cyberspace-independence
-  get         Scrape URL content
-  help        Help about any command
-  ls          Print table of content
-  version     Print the version number of papeer
 
 Flags:
   -a, --author string      book author
-  -d, --delay int         time to wait before downloading next chapter, in milliseconds (default -1)
+      --delay int          time in milliseconds to wait before downloading next chapter, use with depth/selector (default -1)
-  -f, --format string     file format [stdout, md, epub, mobi] (default "stdout")
+  -d, --depth int          scraping depth
-  -h, --help              help for papeer
+  -f, --format string      file format [md, html, epub, mobi] (default "md")
+  -h, --help               help for get
       --images             retrieve images only
-  -i, --include           include URL as first chapter, in resursive mode
+  -i, --include            include URL as first chapter, use with depth/selector
-  -l, --limit int         limit number of chapters, in recursive mode (default -1)
+  -l, --limit int          limit number of chapters, use with depth/selector (default -1)
   -n, --name string        book name (default: page title)
-  -o, --offset int        skip first chapters, in recursive mode
+  -o, --offset int         skip first chapters, use with depth/selector
       --output string      file name (default: book name)
   -q, --quiet              hide progress bar
-  -r, --recursive         create one chapter per natigation item
+  -r, --reverse            reverse chapter order
-  -s, --selector string   table of content CSS selector, in resursive mode
+  -s, --selector strings   table of contents CSS selector
-  -t, --threads int       download concurrency, in recursive mode (default -1)
+      --stdout             print to standard output
-
+  -t, --threads int        download concurrency, use with depth/selector (default -1)
-Use "papeer [command] --help" for more information about a command.
+      --use-link-name      use link name for chapter title
 ```
 
-# Examples
+## Scrape a whole website
 
-## Grab a single page
+If a navigation menu is present on a website, you can scrape the content of each page.
 
-The `get` command lets you retrieve the content of a web page.
+You can activate this mode by using the `depth` or `selector` options.
+
+### `depth` option
+
+This option defaults to 0, `papeer` will grab only the main page.
+
+This option defaults to 1 if the `limit` option is specified.
+
+If you specify a value greater than 0, `papeer` will grab pages as deep as the value you specify.
+
+> Using `include` option will include all intermediary levels into the book.
+
+### `selector` option
+
+If this option is not specified, `papeer` will grab only the one page.
+
+If this option is specified, `papeer` will select the links (a HTML tag) present on the main page, then grab each one of them.
+
+You can chain this option to grab several level of pages with diferent selectors for each level.
+
+### Display the table of contents
+
+Before actually scraping a whole website, it is a good idea to use the `list` command. This command is like a **dry run**, which lets you vizualize the content before actually retrieving it. You can use several options to customize the table of contents extraction, such as `selector`, `limit`, `offset`, `reverse` and `include`. Type `papeer list --help` for more information about those options.
 
 ```sh
-papeer get https://www.eff.org/cyberspace-independence
+papeer list https://12factor.net/ -s 'section.concrete>article>h2>a'
-# A Declaration of the Independence of Cyberspace
-# ===============================================
-
-# Governments of the Industrial World, you weary giants of flesh and steel, I come from Cyberspace, the new home of Mind. On behalf of the future, I ask you of the past to leave us alone. You are not welcome among us. You have no sovereignty where we gather...
 ```
-
+```
-## Grab several pages (recursive mode)
+ #  NAME                    URL                                    
-
+ 1  I. Codebase             https://12factor.net/codebase          
-The `recursive` option lets you extract the table of content of a website, then scrape the content of each one of its pages.
+ 2  II. Dependencies        https://12factor.net/dependencies      
-
+ 3  III. Config             https://12factor.net/config            
-### Display table of content
+ 4  IV. Backing services    https://12factor.net/backing-services  
-
+ 5  V. Build, release, run  https://12factor.net/build-release-run 
-Before trying the `recursive` option, it is a good idea to use the `ls` option, which lets you vizualize the content that will be retrieved. You can use several options to customize the table of content extraction, such as `selector`, `limit`, `offset` and `include`. Type `papeer help` for more information about those options.
+ 6  VI. Processes           https://12factor.net/processes         
-
+ 7  VII. Port binding       https://12factor.net/port-binding      
-```sh
+ 8  VIII. Concurrency       https://12factor.net/concurrency       
-papeer ls https://12factor.net/ -s 'section.concrete > article > h2 > a'
+ 9  IX. Disposability       https://12factor.net/disposability     
-#  #  NAME                    URL                                    
+10  X. Dev/prod parity      https://12factor.net/dev-prod-parity   
-#  1  I. Codebase             https://12factor.net/codebase          
+11  XI. Logs                https://12factor.net/logs              
-#  2  II. Dependencies        https://12factor.net/dependencies      
+12  XII. Admin processes    https://12factor.net/admin-processes
-#  3  III. Config             https://12factor.net/config            
-#  4  IV. Backing services    https://12factor.net/backing-services  
-#  5  V. Build, release, run  https://12factor.net/build-release-run 
-#  6  VI. Processes           https://12factor.net/processes         
-#  7  VII. Port binding       https://12factor.net/port-binding      
-#  8  VIII. Concurrency       https://12factor.net/concurrency       
-#  9  IX. Disposability       https://12factor.net/disposability     
-# 10  X. Dev/prod parity      https://12factor.net/dev-prod-parity   
-# 11  XI. Logs                https://12factor.net/logs              
-# 12  XII. Admin processes    https://12factor.net/admin-processes
 ```
 
 ### Scrape time
 
-Once you are satisfied with the table of content listed by the `ls` command, you can actually scrape the content of those pages. You can use the same options that you specified for the `ls` command. In recursive mode, you also have the possibility to use `delay` and `threads` options.
+Once you are satisfied with the table of contents listed by the `ls` command, you can actually scrape the content of those pages. You can use the same options that you specified for the `ls` command. You can specify `delay` and `threads` options when using `selector` or `depth` options.
 
 ```sh
-papeer get https://12factor.net/ --recursive -s 'section.concrete > article > h2 > a' --format=md
+papeer get https://12factor.net/ --selector='section.concrete>article>h2>a'
-# [======================================>-----------------------------] Chapters 7 / 12
+```
-# [====================================================================] 1. I. Codebase
+```
-# [====================================================================] 2. II. Dependencies
+[======================================>-----------------------------] Chapters 7 / 12
-# [====================================================================] 3. III. Config
+[====================================================================] 1. I. Codebase
-# [====================================================================] 4. IV. Backing services
+[====================================================================] 2. II. Dependencies
-# [====================================================================] 5. V. Build, release, run
+[====================================================================] 3. III. Config
-# [====================================================================] 6. VI. Processes
+[====================================================================] 4. IV. Backing services
-# [====================================================================] 7. VII. Port binding
+[====================================================================] 5. V. Build, release, run
-# [--------------------------------------------------------------------] 8. VIII. Concurrency
+[====================================================================] 6. VI. Processes
-# [--------------------------------------------------------------------] 9. IX. Disposability
+[====================================================================] 7. VII. Port binding
-# [--------------------------------------------------------------------] 10. X. Dev/prod parity
+[--------------------------------------------------------------------] 8. VIII. Concurrency
-# [--------------------------------------------------------------------] 11. XI. Logs
+[--------------------------------------------------------------------] 9. IX. Disposability
-# [--------------------------------------------------------------------] 12. XII. Admin processes
+[--------------------------------------------------------------------] 10. X. Dev/prod parity
-# Markdown saved to "The_Twelve-Factor_App.md"
+[--------------------------------------------------------------------] 11. XI. Logs
+[--------------------------------------------------------------------] 12. XII. Admin processes
+Markdown saved to "The_Twelve-Factor_App.md"
 ```
 
 # Installation
@@ -103,26 +131,34 @@ papeer get https://12factor.net/ --recursive -s 'section.concrete > article > h2
 ## From source
 
 ```sh
-go get -u github.com/lapwat/papeer
+go install github.com/lapwat/papeer@latest
 ```
 
 ## From binary
 
-### On Linux / MacOS
+### Linux / MacOS
 
 ```sh
-platform=linux # use platform=darwin for MacOS
+# use platform=darwin for MacOS
-release=0.3.3
+platform=linux
-curl -L https://github.com/lapwat/papeer/releases/download/v$release/papeer-v$release-$platform-amd64 > papeer
+release=0.6.1
-chmod +x papeer
+
+# download and extract
+curl -L https://github.com/lapwat/papeer/releases/download/v$release/papeer-v$release-$platform-amd64.tar.gz > papeer.tar.gz
+tar xzvf papeer.tar.gz
+rm papeer.tar.gz
+
+# move to user binaries
 sudo mv papeer /usr/local/bin
 ```
 
-### On Windows
+### Windows
 
-Download [latest release](https://github.com/lapwat/papeer/releases/download/3/papeer-v0.3.3-windows-amd64.exe).
+Download [latest release](https://github.com/lapwat/papeer/releases/download/v0.6.0/papeer-v0.6.0-windows-amd64.zip).
 
-## Install kindlegen to export websites to MOBI (optional)
+## MOBI support
+
+Install kindlegen to convert websites, Linux only
 
 ```sh
 TMPDIR=$(mktemp -d -t papeer-XXXXX)
@@ -141,10 +177,10 @@ Execute this command in your current shell, or add it to your `.bashrc`.
 . <(papeer completion bash)
 ```
 
-Type `papeer completion bash -h` for more information.
-
 You can replace `bash` by your own shell (zsh, fish or powershell).
 
+Type `papeer completion bash -h` for more information.
+
 # Dependencies
 
 - `cobra` command line interface

book/book.go

@@ -1,27 +0,0 @@
-package book
-
-type book struct {
-	name     string
-	author   string
-	chapters []chapter
-}
-
-func New(name, author string) book {
-	return book{name, author, []chapter{}}
-}
-
-func (b *book) AddChapter(c chapter) {
-	b.chapters = append(b.chapters, c)
-}
-
-func (b book) Name() string {
-	return b.name
-}
-
-func (b book) Author() string {
-	return b.name
-}
-
-func (b *book) Chapters() []chapter {
-	return b.chapters
-}

book/chapter.go

@@ -9,6 +9,10 @@ type chapter struct {
 	config      *ScrapeConfig
 }
 
+func NewEmptyChapter() chapter {
+	return chapter{"", "", "", "", []chapter{}, NewScrapeConfigNoInclude()}
+}
+
 func NewChapter(body, name, author, content string, subChapters []chapter, config *ScrapeConfig) chapter {
 	return chapter{body, name, author, content, subChapters, config}
 }
@@ -21,6 +25,10 @@ func (c chapter) Name() string {
 	return c.name
 }
 
+func (c *chapter) SetName(name string) {
+	c.name = name
+}
+
 func (c chapter) Author() string {
 	return c.author
 }
@@ -32,3 +40,7 @@ func (c chapter) Content() string {
 func (c chapter) SubChapters() []chapter {
 	return c.subChapters
 }
+
+func (c *chapter) AddSubChapter(newChapter chapter) {
+	c.subChapters = append(c.subChapters, newChapter)
+}

book/format.go

@@ -21,10 +21,11 @@ func Filename(name string) string {
 	return filename
 }
 
-func ToMarkdown(c chapter) string {
+func ToMarkdownString(c chapter) string {
 	markdown := ""
 
-	if c.config.include {
+	// chapter content
+	if c.config.Include {
 		// title
 		markdown += fmt.Sprintf("%s\n", c.Name())
 		markdown += fmt.Sprintf("%s\n\n", strings.Repeat("=", len(c.Name())))
@@ -37,14 +38,73 @@ func ToMarkdown(c chapter) string {
 		markdown += fmt.Sprintf("%s\n\n\n", content)
 	}
 
-	for _, sc := range c.SubChapters() {
 	// subchapters content
-		markdown += fmt.Sprintf("%s\n\n\n", ToMarkdown(sc))
+	for _, sc := range c.SubChapters() {
+		markdown += fmt.Sprintf("%s\n\n\n", ToMarkdownString(sc))
 	}
 
 	return markdown
 }
 
+func ToMarkdown(c chapter, filename string) string {
+	if len(filename) == 0 {
+		filename = fmt.Sprintf("%s.md", Filename(c.Name()))
+	}
+
+	markdown := ToMarkdownString(c)
+
+	// write to file
+	f, err := os.Create(filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+	_, err2 := f.WriteString(markdown)
+	if err2 != nil {
+		log.Fatal(err2)
+	}
+	f.Close()
+
+	return filename
+}
+
+func ToHtmlString(c chapter) string {
+	html := ""
+
+	// chapter content
+	if c.config.Include {
+		html += fmt.Sprintf("<h1>%s</h1>", c.Name())
+		html += c.Content()
+	}
+
+	// subchapters content
+	for _, sc := range c.SubChapters() {
+		html += ToHtmlString(sc)
+	}
+
+	return html
+}
+
+func ToHtml(c chapter, filename string) string {
+	if len(filename) == 0 {
+		filename = fmt.Sprintf("%s.html", Filename(c.Name()))
+	}
+
+	html := fmt.Sprintf("<html><head></head><body>%s</body></html>", ToHtmlString(c))
+
+	// write to file
+	f, err := os.Create(filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+	_, err2 := f.WriteString(html)
+	if err2 != nil {
+		log.Fatal(err2)
+	}
+	f.Close()
+
+	return filename
+}
+
 func ToEpub(c chapter, filename string) string {
 	if len(filename) == 0 {
 		filename = fmt.Sprintf("%s.epub", Filename(c.Name()))
@@ -67,9 +127,10 @@ func ToEpub(c chapter, filename string) string {
 func AppendToEpub(e *epub.Epub, c chapter) {
 	content := ""
 
-	if c.config.include {
+	// chapter content
+	if c.config.Include {
 
-		if c.config.imagesOnly == false {
+		if c.config.ImagesOnly == false {
 			content = c.Content()
 		}
 
@@ -85,7 +146,7 @@ func AppendToEpub(e *epub.Epub, c chapter) {
 			src = strings.Split(src, "?")[0] // remove query part
 			imagePath, _ := e.AddImage(src, "")
 
-			if c.config.imagesOnly {
+			if c.config.ImagesOnly {
 				imageTag, _ := goquery.OuterHtml(s)
 				content += strings.Replace(imageTag, src, imagePath, 1)
 			} else {
@@ -94,8 +155,8 @@ func AppendToEpub(e *epub.Epub, c chapter) {
 		})
 
 		html := ""
-		// add title only if imagesOnly = false
+		// add title only if ImagesOnly = false
-		if c.config.imagesOnly == false {
+		if c.config.ImagesOnly == false {
 			html += fmt.Sprintf("<h1>%s</h1>", c.Name())
 		}
 		html += content
@@ -108,6 +169,7 @@ func AppendToEpub(e *epub.Epub, c chapter) {
 
 	}
 
+	// subchapters content
 	for _, sc := range c.SubChapters() {
 		AppendToEpub(e, sc)
 	}
@@ -129,7 +191,7 @@ func ToMobi(c chapter, filename string) string {
 	ToEpub(c, filenameEPUB)
 
 	exec.Command("kindlegen", filenameEPUB).Run()
-	// exec command always return status 1 even if it succeed
+	// exec command always returns status 1 even if it succeed
 	// if err != nil {
 	// 	log.Fatal(err)
 	// }

book/link.go

@@ -1,18 +1,10 @@
 package book
 
 type link struct {
-	href string
+	Href string `json:"href"`
-	text string
+	Text string `json:"name"`
 }
 
 func NewLink(href, text string) link {
 	return link{href, text}
 }
-
-func (c link) Href() string {
-	return c.href
-}
-
-func (c link) Text() string {
-	return c.text
-}

book/progress.go

@@ -27,7 +27,7 @@ func NewProgress(links []link, parent string, depth int) progress {
 	if len(links) <= 50 {
 		for index, link := range links {
 			bar := uiprogress.AddBar(1)
-			barText := fmt.Sprintf("%v#%v %v", indent, index+1, link.Text())
+			barText := fmt.Sprintf("%v#%v %v", indent, index+1, link.Text)
 			bar.AppendFunc(func(b *uiprogress.Bar) string {
 				return barText
 			})

book/scraper.go

@@ -15,106 +15,89 @@ import (
 	"github.com/PuerkitoBio/goquery"
 	readability "github.com/go-shiori/go-readability"
 	colly "github.com/gocolly/colly/v2"
+	"github.com/mmcdole/gofeed"
 )
 
 type ScrapeConfig struct {
-	depth      int
+	Depth       int
-	selector   string
+	Selector    string
-	limit      int
+	Quiet       bool
-	offset     int
+	Limit       int
-	delay      int
+	Offset      int
-	threads    int
+	Reverse     bool
-	include    bool
+	Delay       int
-	imagesOnly bool
+	Threads     int
+	Include     bool
+	ImagesOnly  bool
+	UseLinkName bool
 }
 
 func NewScrapeConfig() *ScrapeConfig {
-	return &ScrapeConfig{0, "", -1, 0, -1, -1, true, false}
+	return &ScrapeConfig{0, "", false, -1, 0, false, -1, -1, true, false, false}
+}
+
+func NewScrapeConfigNoInclude() *ScrapeConfig {
+	return &ScrapeConfig{0, "", false, -1, 0, false, -1, -1, false, false, false}
+}
+
+func NewScrapeConfigs(selectors []string) []*ScrapeConfig {
+	configs := []*ScrapeConfig{}
+
+	for _, s := range selectors {
+		config := NewScrapeConfig()
+		config.Selector = s
+
+		configs = append(configs, config)
+	}
+
+	return configs
 }
 
 func NewScrapeConfigsAjin() []*ScrapeConfig {
 	config0 := NewScrapeConfig()
-	config0.depth = 0
+	config0.Depth = 0
-	config0.selector = ".dt>a"
+	config0.Selector = ".dt>a"
-	config0.limit = 3
+	config0.Limit = 3
-	config0.offset = 0
+	config0.Offset = 0
-	config0.delay = 5000
+	config0.Delay = 5000
-	config0.include = false
+	config0.Include = false
 
 	config1 := NewScrapeConfig()
-	config1.depth = 1
+	config1.Depth = 1
-	config1.selector = ".nav_apb>a"
+	config1.Selector = ".nav_apb>a"
-	config1.limit = 3
+	config1.Limit = 3
-	config1.offset = 1
+	config1.Offset = 1
-	config1.delay = 5000
+	config1.Delay = 5000
-	config1.include = false
+	config1.Include = false
 
 	config2 := NewScrapeConfig()
-	config2.depth = 2
+	config2.Depth = 2
-	config2.imagesOnly = true
+	config2.ImagesOnly = true
 
 	return []*ScrapeConfig{config0, config1, config2}
 }
 
 func NewScrapeConfigsWikipedia() []*ScrapeConfig {
 	config0 := NewScrapeConfig()
-	config0.depth = 0
+	config0.Depth = 0
-	config0.threads = -1
+	config0.Threads = -1
-	config0.include = true
+	config0.Include = true
 
 	config1 := NewScrapeConfig()
-	config1.depth = 1
+	config1.Depth = 1
-	config1.include = true
+	config1.Include = true
 
 	return []*ScrapeConfig{config0, config1}
 }
 
 func NewScrapeConfigFake() *ScrapeConfig {
 	config := NewScrapeConfig()
-	config.include = false
+	config.Include = false
 
 	return config
 }
 
-func NewBookFromURL(url, selector, name, author string, recursive, include, imagesOnly, quiet bool, limit, offset, delay, threads int) book {
+func NewChapterFromURL(url, linkName string, configs []*ScrapeConfig, index int, updateProgressBarName func(index int, name string)) chapter {
-	config1 := NewScrapeConfig()
-	config1.imagesOnly = imagesOnly
-
-	var chapters []chapter
-	var home chapter
-
-	if recursive {
-		config2 := NewScrapeConfig()
-		config2.selector = selector
-		config2.limit = limit
-		config2.offset = offset
-		config2.delay = delay
-		config2.threads = threads
-		config2.include = include
-		config2.imagesOnly = imagesOnly
-		chapters, home = tableOfContent(url, config2, config1, quiet)
-	} else {
-		chapters = []chapter{NewChapterFromURL(url, []*ScrapeConfig{config1}, 0, func(index int, name string) {})}
-		home = chapters[0]
-	}
-
-	if len(name) == 0 {
-		name = home.Name()
-	}
-
-	if len(author) == 0 {
-		author = home.Author()
-	}
-
-	b := New(name, author)
-	for _, c := range chapters {
-		b.AddChapter(c)
-	}
-
-	return b
-}
-
-func NewChapterFromURL(url string, configs []*ScrapeConfig, index int, updateProgressBarName func(index int, name string)) chapter {
 	config := configs[0]
 
 	base, err := urllib.Parse(url)
@@ -141,45 +124,57 @@ func NewChapterFromURL(url string, configs []*ScrapeConfig, index int, updatePro
 	if err != nil {
 		log.Fatalf("failed to parse %s, %v\n", url, err)
 	}
-	name := article.Title
+
+	name := linkName
+	if config.UseLinkName == false {
+		name = article.Title
 
 		// notify progressbar with new name
 		updateProgressBarName(index, name)
+	}
 
-	subchapters := []chapter{}
+	var subchapters []chapter
 	if len(configs) > 1 {
-		// add subchapters
 
-		links, _, err := GetLinks(base, config.selector, config.limit, config.offset, false)
+		// retrieve links on page
+		links, _, _, err := GetLinks(base, config.Selector, config.Limit, config.Offset, config.Reverse, false)
 		if err != nil {
 			log.Fatal(err)
 		}
 
-		subchapters = make([]chapter, len(links))
+		// init progess bar
-		progress := NewProgress(links, name, config.depth)
+		var p progress
+		if config.Quiet == false {
+			p = NewProgress(links, name, config.Depth)
+		}
 
-		if config.delay >= 0 {
+		// init chapters list
+		subchapters = make([]chapter, len(links))
+
+		if config.Delay >= 0 {
 
 			// synchronous mode
 			for index, link := range links {
 				// and then use it to parse relative URLs
-				u, err := base.Parse(link.href)
+				u, err := base.Parse(link.Href)
 				if err != nil {
 					log.Fatal(err)
 				}
 
-				sc := NewChapterFromURL(u.String(), configs[1:], index, progress.UpdateName)
+				sc := NewChapterFromURL(u.String(), link.Text, configs[1:], index, p.UpdateName)
 				subchapters[index] = sc
-				progress.Increment(index)
+				if config.Quiet == false {
+					p.Increment(index)
+				}
 
-				time.Sleep(time.Duration(config.delay) * time.Millisecond)
+				time.Sleep(time.Duration(config.Delay) * time.Millisecond)
 			}
 
 		} else {
 			// asynchronous mode
 			var wg sync.WaitGroup
 
-			threads := config.threads
+			threads := config.Threads
 			if threads == -1 {
 				threads = len(links)
 			}
@@ -194,14 +189,17 @@ func NewChapterFromURL(url string, configs []*ScrapeConfig, index int, updatePro
 					defer wg.Done()
 
 					// and then use it to parse relative URLs
-					u, err := base.Parse(l.href)
+					u, err := base.Parse(l.Href)
 					if err != nil {
 						log.Fatal(err)
 					}
 
-					sc := NewChapterFromURL(u.String(), configs[1:], index, progress.UpdateName)
+					sc := NewChapterFromURL(u.String(), l.Text, configs[1:], index, p.UpdateName)
 					subchapters[index] = sc
-					progress.Increment(index)
+
+					if config.Quiet == false {
+						p.Increment(index)
+					}
 
 					<-semaphore
 				}(index, l)
@@ -211,30 +209,47 @@ func NewChapterFromURL(url string, configs []*ScrapeConfig, index int, updatePro
 	}
 
 	content := ""
-	if config.include {
+	if config.Include {
 
-		// we care about the content only if we include this level
+		// we care about the content only if:
-		content = article.Content
+		// - we include this level
-
+		// - we use the page name
-		// extract images
-		if config.imagesOnly {
 
 		// parse HTML
-			doc, err := goquery.NewDocumentFromReader(strings.NewReader(content))
+		doc, err := goquery.NewDocumentFromReader(strings.NewReader(article.Content))
 		if err != nil {
 			log.Fatal(err)
 		}
 
+		// handle lazy images
+		doc.Find("img").Each(func(i int, source *goquery.Selection) {
+			src, exists := source.Attr("data-lazy-src")
+			if exists {
+				source.SetAttr("src", src)
+			}
+		})
+		doc.Find("source").Remove()
+
+		// extract images
+		if config.ImagesOnly {
+
 			// append every image to content
 			content = ""
 			doc.Find("img").Each(func(i int, s *goquery.Selection) {
 				imageTag, _ := goquery.OuterHtml(s)
-				imageTag = strings.ReplaceAll(imageTag, "\n", "")
+				// imageTag = strings.ReplaceAll(imageTag, "\n", "")
-
 				content += imageTag
 			})
 
+		} else {
+
+			content, err = doc.Find("[id*=readability-page]").Html()
+			if err != nil {
+				log.Fatal(err)
 			}
+
+		}
+
 	}
 
 	return chapter{string(body), name, article.Byline, content, subchapters, config}
@@ -246,13 +261,13 @@ func tableOfContent(url string, config *ScrapeConfig, subConfig *ScrapeConfig, q
 		log.Fatal(err)
 	}
 
-	links, home, err := GetLinks(base, config.selector, config.limit, config.offset, config.include)
+	links, _, home, err := GetLinks(base, config.Selector, config.Limit, config.Offset, config.Reverse, config.Include)
 	if err != nil {
 		log.Fatal(err)
 	}
 
 	chapters := make([]chapter, len(links))
-	delay := config.delay
+	delay := config.Delay
 
 	var p progress
 	if quiet == false {
@@ -262,14 +277,14 @@ func tableOfContent(url string, config *ScrapeConfig, subConfig *ScrapeConfig, q
 	if delay >= 0 {
 		// synchronous mode
 
-		for index, link := range links {
+		for index, l := range links {
 			// and then use it to parse relative URLs
-			u, err := base.Parse(link.href)
+			u, err := base.Parse(l.Href)
 			if err != nil {
 				log.Fatal(err)
 			}
 
-			chapters[index] = NewChapterFromURL(u.String(), []*ScrapeConfig{subConfig}, 0, func(index int, name string) {})
+			chapters[index] = NewChapterFromURL(u.String(), l.Text, []*ScrapeConfig{subConfig}, 0, func(index int, name string) {})
 
 			if quiet == false {
 				p.Increment(index)
@@ -287,7 +302,7 @@ func tableOfContent(url string, config *ScrapeConfig, subConfig *ScrapeConfig, q
 		// asynchronous mode
 		var wg sync.WaitGroup
 
-		threads := config.threads
+		threads := config.Threads
 		if threads == -1 {
 			threads = len(links)
 		}
@@ -302,12 +317,12 @@ func tableOfContent(url string, config *ScrapeConfig, subConfig *ScrapeConfig, q
 				defer wg.Done()
 
 				// and then use it to parse relative URLs
-				u, err := base.Parse(l.href)
+				u, err := base.Parse(l.Href)
 				if err != nil {
 					log.Fatal(err)
 				}
 
-				chapters[index] = NewChapterFromURL(u.String(), []*ScrapeConfig{subConfig}, 0, func(index int, name string) {})
+				chapters[index] = NewChapterFromURL(u.String(), l.Text, []*ScrapeConfig{subConfig}, 0, func(index int, name string) {})
 
 				if quiet == false {
 					p.Increment(index)
@@ -327,7 +342,7 @@ func GetPath(elm *goquery.Selection) string {
 
 	for {
 		selector := strings.ToLower(goquery.NodeName(elm))
-		if selector == "" {
+		if len(selector) == 0 {
 			break
 		}
 
@@ -339,18 +354,35 @@ func GetPath(elm *goquery.Selection) string {
 	return join
 }
 
-func GetLinks(url *urllib.URL, selector string, limit, offset int, include bool) ([]link, chapter, error) {
+func GetLinks(url *urllib.URL, selector string, limit, offset int, reverse, include bool) ([]link, string, chapter, error) {
+	var links []link
+	var pathMax string
+
+	parser := gofeed.NewParser()
+	feed, err := parser.ParseURL(url.String())
+
+	if err == nil {
+		// RSS feed
+
+		for _, item := range feed.Items {
+			links = append(links, NewLink(item.Link, item.Title))
+		}
+
+		pathMax = "RSS"
+	} else {
+		// HTML website
+
 		selectorSet := true
-	if selector == "" {
+		if len(selector) == 0 {
 			selector = "a"
 			selectorSet = false
 		}
 
-	// visit and count link classes
 		pathLinks := map[string][]link{}
 		pathCount := map[string]int{}
-	pathMax := ""
+		pathMax = ""
 
+		// visit and count link classes
 		c := colly.NewCollector()
 		c.OnHTML(selector, func(e *colly.HTMLElement) {
 			href := e.Attr("href")
@@ -358,13 +390,25 @@ func GetLinks(url *urllib.URL, selector string, limit, offset int, include bool)
 			path := GetPath(e.DOM)
 			key := path
 
-		// include element class in key if selector is set
+			if selectorSet {
-		if !selectorSet {
-			class := e.Attr("class")
-			key = fmt.Sprintf("%s.%s", path, class)
-		}
 
-		if selectorSet || text != "" {
+				// if selector is set, we use the selector specified by the user
+
+				key = selector
+				pathLinks[key] = append(pathLinks[key], NewLink(href, text))
+				pathCount[key] += 1
+				pathMax = key
+
+			} else {
+
+				// if selector is not set, we compute the selector ourselves
+
+				class := e.Attr("class")
+				// include the element class to make sure we have the same exact path for every link in the table of content
+				key = fmt.Sprintf("%s.%s", path, class)
+
+				// we count this key if the link text is not empty
+				if text != "" {
 					pathLinks[key] = append(pathLinks[key], NewLink(href, text))
 					pathCount[key] += len(text)
 
@@ -372,12 +416,16 @@ func GetLinks(url *urllib.URL, selector string, limit, offset int, include bool)
 						pathMax = key
 					}
 				}
+
+			}
 		})
 		c.Visit(url.String())
 
-	links := pathLinks[pathMax]
+		links = pathLinks[pathMax]
+	}
+
 	if len(links) == 0 {
-		return []link{}, chapter{}, fmt.Errorf("no link found for selector: %s", selector)
+		return []link{}, pathMax, chapter{}, fmt.Errorf("no link found for selector: %s", selector)
 	}
 
 	end := len(links)
@@ -387,12 +435,20 @@ func GetLinks(url *urllib.URL, selector string, limit, offset int, include bool)
 
 	links = links[offset:end]
 
-	home := NewChapterFromURL(url.String(), []*ScrapeConfig{NewScrapeConfig()}, 0, func(index int, name string) {})
+	home := NewChapterFromURL(url.String(), "", []*ScrapeConfig{NewScrapeConfig()}, 0, func(index int, name string) {})
 
+	// include home page
 	if include {
 		l := NewLink(url.String(), home.Name())
 		links = append([]link{l}, links...)
 	}
 
-	return links, home, nil
+	// reverse links
+	if reverse {
+		for i, j := 0, len(links)-1; i < j; i, j = i+1, j-1 {
+			links[i], links[j] = links[j], links[i]
+		}
+	}
+
+	return links, pathMax, home, nil
 }

cmd/get.go

@@ -3,8 +3,8 @@ package cmd
 import (
 	"errors"
 	"fmt"
+	"io/ioutil"
 	"log"
-	"os"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -12,57 +12,115 @@ import (
 	"github.com/lapwat/papeer/book"
 )
 
-var recursive, include, images, quiet bool
+type GetOptions struct {
-var format, output, selector, name, author string
+	// url string
-var limit, offset, delay, threads int
+
+	name   string
+	author string
+	Format string
+	output string
+	stdout bool
+	images bool
+	quiet  bool
+
+	Selector    []string
+	depth       int
+	limit       int
+	offset      int
+	reverse     bool
+	delay       int
+	threads     int
+	include     bool
+	useLinkName bool
+}
+
+var getOpts *GetOptions
+
+func init() {
+	getOpts = &GetOptions{}
+
+	getCmd.Flags().StringVarP(&getOpts.name, "name", "n", "", "book name (default: page title)")
+	getCmd.Flags().StringVarP(&getOpts.author, "author", "a", "", "book author")
+	getCmd.Flags().StringVarP(&getOpts.Format, "format", "f", "md", "file format [md, html, epub, mobi]")
+	getCmd.Flags().StringVarP(&getOpts.output, "output", "", "", "file name (default: book name)")
+	getCmd.Flags().BoolVarP(&getOpts.stdout, "stdout", "", false, "print to standard output")
+	getCmd.Flags().BoolVarP(&getOpts.images, "images", "", false, "retrieve images only")
+	getCmd.Flags().BoolVarP(&getOpts.quiet, "quiet", "q", false, "hide progress bar")
+
+	// common with list command
+	getCmd.Flags().StringSliceVarP(&getOpts.Selector, "selector", "s", []string{}, "table of contents CSS selector")
+	getCmd.Flags().IntVarP(&getOpts.depth, "depth", "d", 0, "scraping depth")
+	getCmd.Flags().IntVarP(&getOpts.limit, "limit", "l", -1, "limit number of chapters, use with depth/selector")
+	getCmd.Flags().IntVarP(&getOpts.offset, "offset", "o", 0, "skip first chapters, use with depth/selector")
+	getCmd.Flags().BoolVarP(&getOpts.reverse, "reverse", "r", false, "reverse chapter order")
+	getCmd.Flags().IntVarP(&getOpts.delay, "delay", "", -1, "time in milliseconds to wait before downloading next chapter, use with depth/selector")
+	getCmd.Flags().IntVarP(&getOpts.threads, "threads", "t", -1, "download concurrency, use with depth/selector")
+	getCmd.Flags().BoolVarP(&getOpts.include, "include", "i", false, "include URL as first chapter, use with depth/selector")
+	getCmd.Flags().BoolVarP(&getOpts.useLinkName, "use-link-name", "", false, "use link name for chapter title")
+
+	rootCmd.AddCommand(getCmd)
+}
 
 var getCmd = &cobra.Command{
-	Use:   "get",
+	Use:     "get URL",
 	Short:   "Scrape URL content",
+	Example: "papeer get https://www.eff.org/cyberspace-independence",
 	Args: func(cmd *cobra.Command, args []string) error {
 		if len(args) < 1 {
 			return errors.New("requires an URL argument")
 		}
 
+		// check provided format is in list
 		formatEnum := map[string]bool{
-			"stdout": true,
 			"md":   true,
+			"html": true,
 			"epub": true,
 			"mobi": true,
 		}
-		if formatEnum[format] != true {
+		if formatEnum[getOpts.Format] != true {
-			return fmt.Errorf("invalid format specified: %s", format)
+			return fmt.Errorf("invalid format specified: %s", getOpts.Format)
 		}
 
 		// add .mobi to filename if not specified
-		if format == "mobi" {
+		if getOpts.Format == "mobi" {
-			if len(output) > 0 && strings.HasSuffix(output, ".mobi") == false {
+			if len(getOpts.output) > 0 && strings.HasSuffix(getOpts.output, ".mobi") == false {
-				output = fmt.Sprintf("%s.mobi", output)
+				getOpts.output = fmt.Sprintf("%s.mobi", getOpts.output)
 			}
 		}
 
-		if cmd.Flags().Changed("selector") && recursive == false {
+		// increase depth to match limit
-			return errors.New("cannot use selector option if not in recursive mode")
+		if cmd.Flags().Changed("limit") && getOpts.depth == 0 {
+			getOpts.depth = 1
 		}
 
-		if cmd.Flags().Changed("include") && recursive == false {
+		// fill selector array with empty selectors to match depth
-			return errors.New("cannot use include option if not in recursive mode")
+		getOpts.Selector = append(getOpts.Selector, "")
+		for len(getOpts.Selector) < getOpts.depth+1 {
+			getOpts.Selector = append(getOpts.Selector, "")
 		}
 
-		if cmd.Flags().Changed("limit") && recursive == false {
+		if cmd.Flags().Changed("include") && getOpts.depth == 0 && len(getOpts.Selector) == 0 {
-			return errors.New("cannot use limit option if not in recursive mode")
+			return errors.New("cannot use include option if depth/selector is not specified")
 		}
 
-		if cmd.Flags().Changed("offset") && recursive == false {
+		if cmd.Flags().Changed("offset") && getOpts.depth == 0 && len(getOpts.Selector) == 0 {
-			return errors.New("cannot use offset option if not in recursive mode")
+			return errors.New("cannot use offset option if depth/selector is not specified")
 		}
 
-		if cmd.Flags().Changed("delay") && recursive == false {
+		if cmd.Flags().Changed("reverse") && getOpts.depth == 0 && len(getOpts.Selector) == 0 {
-			return errors.New("cannot use delay option if not in recursive mode")
+			return errors.New("cannot use reverse option if depth/selector is not specified")
 		}
 
-		if cmd.Flags().Changed("threads") && recursive == false {
+		if cmd.Flags().Changed("delay") && getOpts.depth == 0 && len(getOpts.Selector) == 0 {
-			return errors.New("cannot use threads option if not in recursive mode")
+			return errors.New("cannot use delay option if depth/selector is not specified")
+		}
+
+		if cmd.Flags().Changed("threads") && getOpts.depth == 0 && len(getOpts.Selector) == 0 {
+			return errors.New("cannot use threads option if depth/selector is not specified")
+		}
+
+		if cmd.Flags().Changed("use-link-name") && getOpts.depth == 0 && len(getOpts.Selector) == 0 {
+			return errors.New("cannot use use-link-name option if depth/selector is not specified")
 		}
 
 		if cmd.Flags().Changed("delay") && cmd.Flags().Changed("threads") {
@@ -72,49 +130,101 @@ var getCmd = &cobra.Command{
 		return nil
 	},
 	Run: func(cmd *cobra.Command, args []string) {
-		url := args[0]
-		b := book.NewBookFromURL(url, selector, name, author, recursive, include, images, quiet, limit, offset, delay, threads)
 
-		fakeConfig := book.NewScrapeConfigFake()
+		// generate config for each level
-		fakeChapter := book.NewChapter("", b.Name(), b.Author(), "", b.Chapters(), fakeConfig)
+		configs := make([]*book.ScrapeConfig, len(getOpts.Selector))
+		for index, s := range getOpts.Selector {
+			config := book.NewScrapeConfig()
+			config.Selector = s
+			config.Quiet = getOpts.quiet
+			config.Limit = getOpts.limit
+			config.Offset = getOpts.offset
+			config.Reverse = getOpts.reverse
+			config.Delay = getOpts.delay
+			config.Threads = getOpts.threads
+			config.ImagesOnly = getOpts.images
+			config.Include = getOpts.include
+			config.UseLinkName = getOpts.useLinkName
 
-		if format == "stdout" {
+			// do not use link name for root level as there is not parent link
-			// TODO: ToMarkdownString
+			if index == 0 {
-			markdown := book.ToMarkdown(fakeChapter)
+				config.UseLinkName = false
-			fmt.Println(markdown)
 			}
 
-		if format == "md" {
+			// always include last level by default
-			// TODO: ToMarkdownFile
+			if index == len(getOpts.Selector)-1 {
-			markdown := book.ToMarkdown(fakeChapter)
+				config.Include = true
-
-			if len(output) == 0 {
-				filename := book.Filename(fakeChapter.Name())
-				output = fmt.Sprintf("%s.md", filename)
 			}
 
-			// write to file
+			configs[index] = config
-			f, err := os.Create(output)
+		}
+
+		// dummy root chapter to contain all subchapters
+		c := book.NewEmptyChapter()
+		for _, u := range args {
+			newChapter := book.NewChapterFromURL(u, "", configs, 0, func(index int, name string) {})
+			c.AddSubChapter(newChapter)
+		}
+		c.SetName(c.SubChapters()[0].Name())
+
+		if getOpts.Format == "md" {
+			filename := book.ToMarkdown(c, getOpts.output)
+
+			if getOpts.stdout {
+				bytesRead, err := ioutil.ReadFile(filename)
 				if err != nil {
 					log.Fatal(err)
 				}
-			_, err2 := f.WriteString(markdown)
-			if err2 != nil {
-				log.Fatal(err2)
-			}
-			f.Close()
 
-			fmt.Printf("Markdown saved to \"%s\"\n", output)
+				fmt.Println(string(bytesRead))
+			} else {
+				fmt.Printf("Markdown saved to \"%s\"\n", filename)
+			}
 		}
 
-		if format == "epub" {
+		if getOpts.Format == "html" {
-			output = book.ToEpub(fakeChapter, output)
+			filename := book.ToHtml(c, getOpts.output)
-			fmt.Printf("Ebook saved to \"%s\"\n", output)
+
+			if getOpts.stdout {
+				bytesRead, err := ioutil.ReadFile(filename)
+				if err != nil {
+					log.Fatal(err)
 				}
 
-		if format == "mobi" {
+				fmt.Println(string(bytesRead))
-			output = book.ToMobi(fakeChapter, output)
+			} else {
-			fmt.Printf("Ebook saved to \"%s\"\n", output)
+				fmt.Printf("Html saved to \"%s\"\n", filename)
+			}
+		}
+
+		if getOpts.Format == "epub" {
+			filename := book.ToEpub(c, getOpts.output)
+
+			if getOpts.stdout {
+				bytesRead, err := ioutil.ReadFile(filename)
+				if err != nil {
+					log.Fatal(err)
+				}
+
+				fmt.Println(string(bytesRead))
+			} else {
+				fmt.Printf("Ebook saved to \"%s\"\n", filename)
+			}
+		}
+
+		if getOpts.Format == "mobi" {
+			filename := book.ToMobi(c, getOpts.output)
+
+			if getOpts.stdout {
+				bytesRead, err := ioutil.ReadFile(filename)
+				if err != nil {
+					log.Fatal(err)
+				}
+
+				fmt.Println(string(bytesRead))
+			} else {
+				fmt.Printf("Ebook saved to \"%s\"\n", filename)
+			}
 		}
 	},
 }

cmd/list.go

@@ -1,10 +1,13 @@
 package cmd
 
 import (
+	"encoding/json"
 	"errors"
+	"fmt"
 	"log"
 	urllib "net/url"
 	"os"
+	"strings"
 
 	"github.com/jedib0t/go-pretty/v6/table"
 	cobra "github.com/spf13/cobra"
@@ -12,43 +15,125 @@ import (
 	"github.com/lapwat/papeer/book"
 )
 
+type ListOptions struct {
+	// url string
+
+	output string
+
+	Selector    []string
+	depth       int
+	limit       int
+	offset      int
+	reverse     bool
+	delay       int
+	threads     int
+	include     bool
+	useLinkName bool
+}
+
+var listOpts *ListOptions
+
+func init() {
+	listOpts = &ListOptions{}
+
+	listCmd.Flags().StringVarP(&listOpts.output, "output", "o", "table", "file format [table, json]")
+
+	// common with get command
+	listCmd.Flags().StringSliceVarP(&listOpts.Selector, "selector", "s", []string{}, "table of contents CSS selector")
+	listCmd.Flags().IntVarP(&listOpts.depth, "depth", "d", 0, "scraping depth")
+	listCmd.Flags().IntVarP(&listOpts.limit, "limit", "l", -1, "limit number of chapters, use with depth/selector")
+	listCmd.Flags().IntVarP(&listOpts.offset, "offset", "", 0, "skip first chapters, use with depth/selector")
+	listCmd.Flags().BoolVarP(&listOpts.reverse, "reverse", "r", false, "reverse chapter order")
+	listCmd.Flags().IntVarP(&listOpts.delay, "delay", "", -1, "time in milliseconds to wait before downloading next chapter, use with depth/selector")
+	listCmd.Flags().IntVarP(&listOpts.threads, "threads", "t", -1, "download concurrency, use with depth/selector")
+	listCmd.Flags().BoolVarP(&listOpts.include, "include", "i", false, "include URL as first chapter, use with depth/selector")
+	listCmd.Flags().BoolVarP(&listOpts.useLinkName, "use-link-name", "", false, "use link name for chapter title")
+
+	rootCmd.AddCommand(listCmd)
+}
+
 var listCmd = &cobra.Command{
-	Use:   "ls",
+	Use:     "list URL",
-	Short: "Print table of content",
+	Aliases: []string{"ls"},
+	Short:   "Print URL table of contents",
+	Example: "papeer list https://12factor.net/ -s 'section.concrete>article>h2>a'",
 	Args: func(cmd *cobra.Command, args []string) error {
 		if len(args) < 1 {
 			return errors.New("requires an URL argument")
 		}
+
+		// check provided output is in list
+		outputEnum := map[string]bool{
+			"table": true,
+			"json":  true,
+		}
+		if outputEnum[listOpts.output] != true {
+			return fmt.Errorf("invalid output specified: %s", listOpts.output)
+		}
+
 		return nil
 	},
 	Run: func(cmd *cobra.Command, args []string) {
+		if len(listOpts.Selector) == 0 {
+			listOpts.Selector = []string{""}
+		}
+
 		base, err := urllib.Parse(args[0])
 		if err != nil {
 			log.Fatal(err)
 		}
 
-		links, _, err := book.GetLinks(base, selector, limit, offset, include)
+		links, path, home, err := book.GetLinks(base, listOpts.Selector[0], listOpts.limit, listOpts.offset, listOpts.reverse, listOpts.include)
 		if err != nil {
 			log.Fatal(err)
 		}
 
+		switch listOpts.output {
+
+		// render as table
+		case "table":
 			t := table.NewWriter()
 			t.SetOutputMirror(os.Stdout)
 			t.Style().Options.DrawBorder = false
 			t.Style().Options.SeparateColumns = false
 			t.Style().Options.SeparateHeader = false
-		t.AppendHeader(table.Row{"#", "Name", "Url"})
+
+			t.SetTitle(home.Name())
+
+			// format selector path
+			pathArray := strings.Split(path, "<")
+			// reverse path
+			for i, j := 0, len(pathArray)-1; i < j; i, j = i+1, j-1 {
+				pathArray[i], pathArray[j] = pathArray[j], pathArray[i]
+			}
+			pathFormatted := strings.Join(pathArray, ">")
+
+			t.AppendHeader(table.Row{"#", "Name", fmt.Sprintf("Url [%s]", pathFormatted)})
 
 			for index, link := range links {
-			u, err := base.Parse(link.Href())
+				u, err := base.Parse(link.Href)
 				if err != nil {
 					log.Fatal(err)
 				}
 
-			t.AppendRow([]interface{}{index + 1, link.Text(), u.String()})
+				t.AppendRow([]interface{}{index + 1, link.Text, u.String()})
 			}
 
 			t.Render()
 
+		// render as json
+		case "json":
+			book := make(map[string]interface{})
+			book["name"] = home.Name()
+			book["chapters"] = links
+
+			bookJson, err := json.Marshal(book)
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			fmt.Println(string(bookJson))
+		}
+
 	},
 }

cmd/root.go

@@ -21,22 +21,3 @@ func Execute() {
 		os.Exit(1)
 	}
 }
-
-func init() {
-	rootCmd.PersistentFlags().StringVarP(&name, "name", "n", "", "book name (default: page title)")
-	rootCmd.PersistentFlags().StringVarP(&author, "author", "a", "", "book author")
-	rootCmd.PersistentFlags().StringVarP(&format, "format", "f", "stdout", "file format [stdout, md, epub, mobi]")
-	rootCmd.PersistentFlags().StringVarP(&output, "output", "", "", "file name (default: book name)")
-	rootCmd.PersistentFlags().StringVarP(&selector, "selector", "s", "", "table of content CSS selector, in resursive mode")
-	rootCmd.PersistentFlags().BoolVarP(&recursive, "recursive", "r", false, "create one chapter per natigation item")
-	rootCmd.PersistentFlags().BoolVarP(&include, "include", "i", false, "include URL as first chapter, in resursive mode")
-	rootCmd.PersistentFlags().BoolVarP(&images, "images", "", false, "retrieve images only")
-	rootCmd.PersistentFlags().BoolVarP(&quiet, "quiet", "q", false, "hide progress bar")
-	rootCmd.PersistentFlags().IntVarP(&limit, "limit", "l", -1, "limit number of chapters, in recursive mode")
-	rootCmd.PersistentFlags().IntVarP(&offset, "offset", "o", 0, "skip first chapters, in recursive mode")
-	rootCmd.PersistentFlags().IntVarP(&delay, "delay", "d", -1, "time to wait before downloading next chapter, in milliseconds")
-	rootCmd.PersistentFlags().IntVarP(&threads, "threads", "t", -1, "download concurrency, in recursive mode")
-
-	rootCmd.AddCommand(getCmd)
-	rootCmd.AddCommand(listCmd)
-}

cmd/version.go

@@ -14,6 +14,6 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the version number of papeer",
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("papeer v0.3.3")
+		fmt.Println("papeer v0.6.1")
 	},
 }

go.mod

@@ -3,47 +3,50 @@ module github.com/lapwat/papeer
 go 1.17
 
 require (
-	github.com/JohannesKaufmann/html-to-markdown v1.3.0
+	github.com/JohannesKaufmann/html-to-markdown v1.3.5
-	github.com/bmaupin/go-epub v0.7.2
+	github.com/bmaupin/go-epub v1.0.1
-	github.com/go-shiori/go-readability v0.0.0-20210627123243-82cc33435520
+	github.com/go-shiori/go-readability v0.0.0-20220215145315-dd6828d2f09b
-	github.com/spf13/cobra v1.2.1
+	github.com/jedib0t/go-pretty/v6 v6.3.6
+	github.com/mmcdole/gofeed v1.1.3
+	github.com/spf13/cobra v1.5.0
 )
 
 require (
-	github.com/PuerkitoBio/goquery v1.7.1
+	github.com/PuerkitoBio/goquery v1.8.0
 	github.com/gocolly/colly/v2 v2.1.0
 	github.com/gosuri/uilive v0.0.4 // indirect
 	github.com/gosuri/uiprogress v0.0.1
 )
 
 require (
-	github.com/andybalholm/cascadia v1.2.0 // indirect
+	github.com/andybalholm/cascadia v1.3.1 // indirect
-	github.com/antchfx/htmlquery v1.2.3 // indirect
+	github.com/antchfx/htmlquery v1.2.5 // indirect
-	github.com/antchfx/xmlquery v1.3.6 // indirect
+	github.com/antchfx/xmlquery v1.3.12 // indirect
-	github.com/antchfx/xpath v1.2.0 // indirect
+	github.com/antchfx/xpath v1.2.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.1 // indirect
 	github.com/go-shiori/dom v0.0.0-20210627111528-4e4722cd0d65 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
-	github.com/gofrs/uuid v4.0.0+incompatible // indirect
+	github.com/gofrs/uuid v4.2.0+incompatible // indirect
-	github.com/gogs/chardet v0.0.0-20191104214054-4b6791f73a28 // indirect
+	github.com/gogs/chardet v0.0.0-20211120154057-b7413eaefb8f // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
-	github.com/jedib0t/go-pretty/v6 v6.2.4 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kennygrant/sanitize v1.2.4 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/mattn/go-runewidth v0.0.13 // indirect
-	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
+	github.com/mmcdole/goxpp v0.0.0-20200921145534-2f3784f67354 // indirect
-	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/rivo/uniseg v0.3.4 // indirect
 	github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca // indirect
-	github.com/schollz/progressbar/v3 v3.8.3 // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/temoto/robotstxt v1.1.2 // indirect
-	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
+	github.com/vincent-petithory/dataurl v1.0.0 // indirect
-	golang.org/x/net v0.0.0-20210614182718-04defd469f4e // indirect
+	golang.org/x/net v0.0.0-20220809012201-f428fae20770 // indirect
-	golang.org/x/sys v0.0.0-20210910150752-751e447fb3d0 // indirect
+	golang.org/x/sys v0.0.0-20220808155132-1c4a2a72c664 // indirect
-	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b // indirect
+	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/text v0.3.6 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 )

go.sum

@@ -1,120 +1,77 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/JohannesKaufmann/html-to-markdown v1.3.3 h1:T2A3aYmbGokj0LeRVLr3sWXtpNlM9jWq06qPxcXOK4Y=
-github.com/JohannesKaufmann/html-to-markdown v1.3.0 h1:K/p4cq8Ib13hcSVcKQNfKCSWw93CYW5pAjY0fl85has=
+github.com/JohannesKaufmann/html-to-markdown v1.3.3/go.mod h1:JNSClIRYICFDiFhw6RBhBeWGnMSSKVZ6sPQA+TK4tyM=
-github.com/JohannesKaufmann/html-to-markdown v1.3.0/go.mod h1:JNSClIRYICFDiFhw6RBhBeWGnMSSKVZ6sPQA+TK4tyM=
+github.com/JohannesKaufmann/html-to-markdown v1.3.5 h1:FrP3D5IqpxkNOk97TvbFduSo0JQKs/ZpgjuxpmAEFRA=
+github.com/JohannesKaufmann/html-to-markdown v1.3.5/go.mod h1:JNSClIRYICFDiFhw6RBhBeWGnMSSKVZ6sPQA+TK4tyM=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
-github.com/PuerkitoBio/goquery v1.7.1 h1:oE+T06D+1T7LNrn91B4aERsRIeCLJ/oPSa6xB9FPnz4=
+github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
-github.com/PuerkitoBio/goquery v1.7.1/go.mod h1:XY0pP4kfraEmmV1O7Uf6XyjoslwsneBbgeDjLYuN8xY=
+github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
-github.com/andybalholm/cascadia v1.2.0 h1:vuRCkM5Ozh/BfmsaTm26kbjm0mIOM3yS5Ek/F5h18aE=
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-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -722,36 +356,27 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
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-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
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-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

release.sh

@@ -1,27 +0,0 @@
-#!/usr/bin/env bash
-
-version=$1
-platforms=("linux/amd64" "darwin/amd64" "windows/amd64")
-
-if [ "$#" -ne 1 ]; then
-    echo "Illegal number of parameters"
-    echo "Usage: ./release.sh X.X.X"
-    exit 1
-fi
-
-for platform in "${platforms[@]}"
-do
-    platform_split=(${platform//\// })
-    GOOS=${platform_split[0]}
-    GOARCH=${platform_split[1]}
-    output_name='papeer-v'$version'-'$GOOS'-'$GOARCH
-    if [ $GOOS = "windows" ]; then
-        output_name+='.exe'
-    fi
-
-    env GOOS=$GOOS GOARCH=$GOARCH go build -o $output_name
-    if [ $? -ne 0 ]; then
-        echo 'An error has occurred! Aborting the script execution...'
-        exit 1
-    fi
-done