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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Utilities
mdview, a markdown viewer
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jamesbond

Joined: 26 Feb 2007
Posts: 3149
Location: The Blue Marble
PostPosted: Tue 28 Apr 2015, 12:54    Post subject:  mdview, a markdown viewer  
From the page:

mdview is a super light-weight, GTK-based markdown files viewer. It has no other dependencies other than GTK itself. It reads and displays text files in (a subset of) markdown format, and provide live links to other files as well as to the Internet. It is ideal for showing help files (its original purpose), user manuals, and other small set of hyperlinked markdown files.

Subset of markdown that mdview supports:

* Heading level 1,2,3
* Horizontal rules
* Single-level bullets (but no ordered list)
* Inline-code and codeblocks
* Hyperlinks (format is a simplified version of original markdown)
* Inline images
* Inline formatting: italic, bold, smart double/single quotes, em-dash.

Compiles down to only 60K. No further dependency other than GTK.

Get it from here: https://chiselapp.com/user/jamesbond/repository/mdview3/home

-----
EDIT: Markdown files are plain text files with some human-readable formatting added. Markdown files are created and editable using standard text editor. mdview only supports a limited subset; the formatting that it supports is given in example/index.md.

-----
EDIT: mdview now can converts markdowns to plain text, decorated plain text (with vt100 bold/underline codes), and html too.
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Last edited by jamesbond on Tue 19 May 2015, 11:37; edited 2 times in total
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01micko


Joined: 11 Oct 2008
Posts: 8675
Location: qld
PostPosted: Fri 01 May 2015, 06:13    Post subject:  
Works well with github markdown Cool


A few typos in the help on the cli.

Code:
# ./mdview -h                                                 
mdview - (C) Leandro Pereira 2009, James B 2015.

Usage: mdview [directory [file [home [title]]]]
 - directory where the files arem if not specified, current directory.
 - file to open, if not specified, index.md is used.
 - home file. f not specified, index.md is used.
 - title - window title, if not specifieid, mdview is used
You can skip parameters by specifying blanks.

# ./mdview /mnt/sda6/git-repos/pmcputemp-builds/pmcputemp-0.63 home README.md


(ha, not the only one with typos .. read my screeny!)
md.jpg
 Description   
 Filesize   53.56 KB
 Viewed   925 Time(s)

md.jpg

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L18L

Joined: 19 Jun 2010
Posts: 3431
Location: www.eussenheim.de/
PostPosted: Fri 01 May 2015, 08:05    Post subject:  
### is not h3 but link to png

working `inline code` would be nice.

Wink
index.md.gz
Description  save as...
/usr/share/doc/index.md
 gz

 Download 
Filename  index.md.gz 
Filesize  5.4 KB 
Downloaded  262 Time(s) 
fd.png
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 Viewed   870 Time(s)

fd.png
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L18L

Joined: 19 Jun 2010
Posts: 3431
Location: www.eussenheim.de/
PostPosted: Fri 01 May 2015, 09:35    Post subject: Fatdog's Home  
re-uploaded index.md

download to /usr/share/doc/index.md

launch by:

Code:
mdview /usr/share/doc "" "" "Fatdog's Home"

... there will be a title too.
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01micko


Joined: 11 Oct 2008
Posts: 8675
Location: qld
PostPosted: Fri 01 May 2015, 18:02    Post subject:  
How about a run action?

Code:
#!/bin/sh
DIR=${@%/*}
FILE=${@##*/}
HOME=$FILE
TITLE=${FILE%.*}
mdview $DIR $FILE "$HOME" "$TITLE"


text_x-markdown (replace the current symlink in fatdog)

In older pups with older shared-mime-info it is reported wrongly as application_x-genesis-rom .. see https://bugs.freedesktop.org/show_bug.cgi?id=27441
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L18L

Joined: 19 Jun 2010
Posts: 3431
Location: www.eussenheim.de/
PostPosted: Sat 02 May 2015, 05:22    Post subject: mdview, a markdown viewer
Subject description: links		  
Looks like there is just one link allowed in a "paragraph".

This is working:
Code:

Over the time, Fatdog migrated to support 64-bit platform (hence Fatdog64 name) and grew became an independent distribution of its own - while striving to keep the original spirit of Puppy Linux of being small, fast, and versatile. For a fuller history [http://distro.ibiblio.org/fatdog/web/history.html click here].

Fatdog64 700 series - the latest iteration of Fatdog64 - is
hand-built based on recipes from [http://linuxfromscratch.org Linux From Scratch], version 7.5 (the latest when the Fatdog64 700 alpha1, the first
public release of Fatdog64 700, was released).
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jamesbond

Joined: 26 Feb 2007
Posts: 3149
Location: The Blue Marble
PostPosted: Sat 02 May 2015, 06:14    Post subject:  
Thanks guys for the feedback, you keep me busy Smile
- ah, the typo Sad
- executable code is not in markdown spec, so I prefer not to extend it. Or, perhaps, I can add a command line switch to enable this extra feature.
- The ### bug is confirmed. This is because the original code does not support links, Leandro use some hack to enable it (I think by marking text with underlines), so everything that has underlines is taken as links.
- line can only have one link bug is also confirmed.
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jamesbond

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PostPosted: Sun 03 May 2015, 05:35    Post subject:  
All done except L18L's executable code request. Fossil updated.
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jamesbond

Joined: 26 Feb 2007
Posts: 3149
Location: The Blue Marble
PostPosted: Sun 03 May 2015, 13:09    Post subject:  
L18L's suggestion now implemented. Use $(xxx) to do it, and you need to specify "-x" on the command line. The code is very simplistic, nested $() is not supported e.g. $(echo $(echo a)) will *surely* fail.

I also added non-standard strikethrough, using --- (3 dashes). So 3-dashes now have mutliple functions. Just make sure that these dashes does not begin a line, otherwise it will be taken as either a ruler, or as a marker for header #2.
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L18L

Joined: 19 Jun 2010
Posts: 3431
Location: www.eussenheim.de/
PostPosted: Mon 04 May 2015, 04:35    Post subject: mdview, a markdown viewer
Subject description: gettext		  
jamesbond wrote:
L18L's suggestion now implemented. Use $(xxx) to do it, and you need to specify "-x" on the command line. The code is very simplistic, nested $() is not supported e.g. $(echo $(echo a)) will *surely* fail.

Thanks jamesbond, you keep me busy.
Tested:
Code:
![Fatdog](faqs/fatdog.png)
# Fatdog 64-bit GNU/Linux Operating System

$(TEXTDOMAIN=fatdog; gettext Cancel)

$(gettext fatdog Quit)

$(gettext  'Cancel and Quit')

The first two work.
Last one not. We need ' inside $().
Re-produce it by:
Code:
LANGUAGE=de mdview -x  /usr/share/doc home.md "" "Fatdog's Home"
single_word_is_OK.png
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 Viewed   735 Time(s)

single_word_is_OK.png
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jamesbond

Joined: 26 Feb 2007
Posts: 3149
Location: The Blue Marble
PostPosted: Mon 04 May 2015, 08:16    Post subject: Re: mdview, a markdown viewer
Subject description: gettext		  
L18L wrote:
Thanks jamesbond, you keep me busy.

And I will make you even busier. Fossil updated Twisted Evil
This now works:
Code:
$(echo '$LANG') is $(echo $LANG)

$(echo '$LANG' is $LANG)

Btw - the output of $() *will* be interpreted as markdown code. Output of $(echo **bold**) will be shown as bold. But again, please don't nest $() or get too smart with it - the code inside is simple and stupid Laughing
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L18L

Joined: 19 Jun 2010
Posts: 3431
Location: www.eussenheim.de/
PostPosted: Mon 04 May 2015, 14:12    Post subject: Re: mdview, a markdown viewer ready for global use  
Cannot use ( ) in text.
Replaced it by --....--

Sorry if have killed an apostrophe without real need.
$(gettext 'here apostrophe can't be used')
$(gettext 'here apostrophe can\'t be used')
$(gettext "here apostrophe can be used")
review text please.

Code:
mdview -x  /usr/share/doc home.md "" "Fatdog's Home"
heim.png
 Description   
 Filesize   36.9 KB
 Viewed   697 Time(s)

heim.png
home.md.gz
Description  /usr/share/doc/home.md
 gz

 Download 
Filename  home.md.gz 
Filesize  5.94 KB 
Downloaded  247 Time(s) 
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jamesbond

Joined: 26 Feb 2007
Posts: 3149
Location: The Blue Marble
PostPosted: Mon 04 May 2015, 14:44    Post subject: Re: mdview, a markdown viewer ready for global use  
L18L wrote:
Cannot use ( ) in text.
Replaced it by --....--

Ah yes, because the ")" will end the $( prematurely. As I said the code is simple and stupid. Let me see if I can make it smarter. I'll be back.

Quote:
Sorry if have killed an apostrophe without real need.
$(gettext 'here apostrophe can't be used')
$(gettext 'here apostrophe can\'t be used')
$(gettext "here apostrophe can be used")
review text please.

In this case, you will need to do
$(gettext 'here apostrophe can '\''be used')
That is, you end the single-quote, add a \', and then start the single-quote again. Tthe same way how you single-quote strings in shell, too.
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L18L

Joined: 19 Jun 2010
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PostPosted: Mon 04 May 2015, 14:53    Post subject: Re: mdview, a markdown viewer ready for global use  
jamesbond wrote:
I'll be back.

No sleep tonight? Shocked
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jamesbond

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PostPosted: Mon 04 May 2015, 15:56    Post subject: Re: mdview, a markdown viewer ready for global use  
L18L wrote:
No sleep tonight? Shocked
Twisted Evil Try it. Attached test cases in examples.
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