User:Riviera/Podcasts continued - Revision history

Riviera: adjusted transclusion tags

2024-03-20T09:38:46Z

adjusted transclusion tags

← Older revision		Revision as of 11:38, 20 March 2024
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	What I worked on was quite relevant to our discussion of regular expressions on Monday 9th. It could furthermore bear relevance to CSS and paged media if an HTML page was made for the channel. I envision a publication made with [https://pzwiki.wdka.nl/mediadesign/Weasyprint weasyprint], perhaps using the technique of [https://pzwiki.wdka.nl/mediadesign/Imposition imposition]. Each page might contain a link to a radio broadcast from the past, along with some text.		What I worked on was quite relevant to our discussion of regular expressions on Monday 9th. It could furthermore bear relevance to CSS and paged media if an HTML page was made for the channel. I envision a publication made with [https://pzwiki.wdka.nl/mediadesign/Weasyprint weasyprint], perhaps using the technique of [https://pzwiki.wdka.nl/mediadesign/Imposition imposition]. Each page might contain a link to a radio broadcast from the past, along with some text.

	<span id="draft-three-of-script"></span>		<span id="draft-three-of-script"></span>
	<noinclude>= Draft three of script =~~</noinclude>~~		<noinclude>= Draft three of script =
	<includeonly>===A Podcast Generator Script===</includeonly>		<includeonly>===A Podcast Generator Script===</includeonly>

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	end		end
	</syntaxhighlight>		</syntaxhighlight>
			</noinclude>
	<span id="discussion-of-draft-three"></span>		<span id="discussion-of-draft-three"></span>
	<noinclude>=Discussion of draft three=</noinclude>		<noinclude>=Discussion of draft three=</noinclude>

Riviera at 15:17, 22 December 2023

2023-12-22T15:17:47Z

← Older revision		Revision as of 17:17, 22 December 2023
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	</syntaxhighlight>		</syntaxhighlight>
	<span id="discussion-of-draft-three"></span>		<span id="discussion-of-draft-three"></span>
	</noinclude>= Discussion of draft three =</noinclude>		<noinclude>=Discussion of draft three=</noinclude>
	<includeonly>===Discussion of the script===</includeonly>		<includeonly>===Discussion of the script===</includeonly>

Riviera at 15:15, 22 December 2023

2023-12-22T15:15:16Z

← Older revision		Revision as of 17:15, 22 December 2023
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			<includeonly>==Podcasts Continued==</includeonly>
	[https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss The other week] I started writing a shell script to generate podcasts in an RSS format. I first [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Podcasts_are_RSS_feeds outlined the connection between podcasts and rss feeds] following a discussion we had in class. Then I wrote about how I utilised [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Fourth_Attempt grep, cat and sed]. I combined these commands in a shell script. The aim was to write a file containing the tag-structure of an XML document whilst removing content. This outline structure became the basis of the podcast generator script, [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Draft_two_of_script skeleton]. Along the way I [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Analysis_of_draft_one analysed] and [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Improvements_to_draft_one improved] the [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Draft_one_of_script first version of the script]. I am summarising what I did the other week here because the commentary on the code is somewhat inaccurate. I utilised a less than consistent document production workflow to write the wiki page. However, I have since decided upon a more consistent way of writing wiki pages (using <span class="spurious-link" target="pandoc">''https://pandoc.org''</span>) and so pages will be better maintained starting from now.		[https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss The other week] I started writing a shell script to generate podcasts in an RSS format. I first [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Podcasts_are_RSS_feeds outlined the connection between podcasts and rss feeds] following a discussion we had in class. Then I wrote about how I utilised [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Fourth_Attempt grep, cat and sed]. I combined these commands in a shell script. The aim was to write a file containing the tag-structure of an XML document whilst removing content. This outline structure became the basis of the podcast generator script, [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Draft_two_of_script skeleton]. Along the way I [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Analysis_of_draft_one analysed] and [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Improvements_to_draft_one improved] the [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Draft_one_of_script first version of the script]. I am summarising what I did the other week here because the commentary on the code is somewhat inaccurate. I utilised a less than consistent document production workflow to write the wiki page. However, I have since decided upon a more consistent way of writing wiki pages (using <span class="spurious-link" target="pandoc">''https://pandoc.org''</span>) and so pages will be better maintained starting from now.

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	<span id="draft-three-of-script"></span>		<span id="draft-three-of-script"></span>
	= Draft three of script =		<noinclude>= Draft three of script =</noinclude>
			<includeonly>===A Podcast Generator Script===</includeonly>

	<syntaxhighlight lang="fish">#!/usr/bin/fish		<syntaxhighlight lang="fish">#!/usr/bin/fish
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	</syntaxhighlight>		</syntaxhighlight>
	<span id="discussion-of-draft-three"></span>		<span id="discussion-of-draft-three"></span>
	= Discussion of draft three =		</noinclude>= Discussion of draft three =</noinclude>
			<includeonly>===Discussion of the script===</includeonly>

	The script now features several additional flags. The "verbose" flag sends to stdout descriptive information about what the script is doing whilst it does it. This information is useful for debugging. It is also a more convenient means of documenting the software than writing about it. The "add" flag allows the user to add an mp3 file to a podcast. If the podcast does not exist, skelegen creates the channel. If the channel exists, skelegen adds the item to the channel. This is a flexible way of creating podcasts. Lastly, the "auto" flag automatically inserts a title and description for the item(s) / channel.		The script now features several additional flags. The "verbose" flag sends to stdout descriptive information about what the script is doing whilst it does it. This information is useful for debugging. It is also a more convenient means of documenting the software than writing about it. The "add" flag allows the user to add an mp3 file to a podcast. If the podcast does not exist, skelegen creates the channel. If the channel exists, skelegen adds the item to the channel. This is a flexible way of creating podcasts. Lastly, the "auto" flag automatically inserts a title and description for the item(s) / channel.
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	<span id="cron-and-skelegen"></span>		<span id="cron-and-skelegen"></span>
	= Cron and Skelegen =		<noinclude>= Cron and Skelegen =</noinclude>
			<includeonly>===Creating a podcast with random content using cron===</includeonly>
	<pre>0 14 * * 7 skelegen --auto --add (random choice (tree -if /media/worm/radio/ \| grep -Eo "(/[^/]+)+.mp3")) --channel /home/$USER/public_html/random-podcast.xml		<pre>0 14 * * 7 skelegen --auto --add (random choice (tree -if /media/worm/radio/ \| grep -Eo "(/[^/]+)+.mp3")) --channel /home/$USER/public_html/random-podcast.xml
	</pre>		</pre>
	The above line of code is an example of how the shell script can be used to generate a podcast. Here I have combined the script with cron, an automatic task scheduler. The above line of code goes in a crontab file. It calls skelegen at 1400 every Sunday. The cronjob adds a random .mp3 file from Worm's radio archive to a podcast channel called 'random-podcast'. The "auto" flag ensures the script runs to completion. The podcast was inspired by worm's 'random-radio' which plays when nobody is broadcasting live.		The above line of code is an example of how the shell script can be used to generate a podcast. Here I have combined the script with cron, an automatic task scheduler. The above line of code goes in a crontab file. It calls skelegen at 1400 every Sunday. The cronjob adds a random .mp3 file from Worm's radio archive to a podcast channel called 'random-podcast'. The "auto" flag ensures the script runs to completion. The podcast was inspired by worm's 'random-radio' which plays when nobody is broadcasting live.

Riviera: Created page with "[https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss The other week] I started writing a shell script to generate podcasts in an RSS format. I first [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Podcasts_are_RSS_feeds outlined the connection between podcasts and rss feeds] following a discussion we had in class. Then I wrote about how I utilised [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Fourth_Attempt grep, cat and sed]. I combin..."

2023-10-15T10:36:28Z

Created page with "[https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss The other week] I started writing a shell script to generate podcasts in an RSS format. I first [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Podcasts_are_RSS_feeds outlined the connection between podcasts and rss feeds] following a discussion we had in class. Then I wrote about how I utilised [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Fourth_Attempt grep, cat and sed]. I combin..."

New page

[https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss The other week] I started writing a shell script to generate podcasts in an RSS format. I first [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Podcasts_are_RSS_feeds outlined the connection between podcasts and rss feeds] following a discussion we had in class. Then I wrote about how I utilised [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Fourth_Attempt grep, cat and sed]. I combined these commands in a shell script. The aim was to write a file containing the tag-structure of an XML document whilst removing content. This outline structure became the basis of the podcast generator script, [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Draft_two_of_script skeleton]. Along the way I [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Analysis_of_draft_one analysed] and [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Improvements_to_draft_one improved] the [https://pzwiki.wdka.nl/mediadesign/User:Riviera/Podcast_rss#Draft_one_of_script first version of the script]. I am summarising what I did the other week here because the commentary on the code is somewhat inaccurate. I utilised a less than consistent document production workflow to write the wiki page. However, I have since decided upon a more consistent way of writing wiki pages (using ''https://pandoc.org'') and so pages will be better maintained starting from now.

What I worked on was quite relevant to our discussion of regular expressions on Monday 9th. It could furthermore bear relevance to CSS and paged media if an HTML page was made for the channel. I envision a publication made with [https://pzwiki.wdka.nl/mediadesign/Weasyprint weasyprint], perhaps using the technique of [https://pzwiki.wdka.nl/mediadesign/Imposition imposition]. Each page might contain a link to a radio broadcast from the past, along with some text.


= Draft three of script =

<syntaxhighlight lang="fish">#!/usr/bin/fish
function skelegen -d "Generate an RSS channel for a podcast"
set -l options (fish_opt -s h -l help);
set options $options (fish_opt --short=v --long=verbose);
set options $options (fish_opt --short=A --long=auto);
set options $options (fish_opt --short=g --long=generate --required-val);
set options $options (fish_opt --short=a --long=add --required-val --multiple-vals);
set options $options (fish_opt --short=c --long=channel --required-val);

argparse $options -- $argv;
or return

if set -ql _flag_help
echo "skelegen [ -h ] [ -vA ] [ -g DIR | -a FILE ] -c XML_FILE
-h --help Display this text
-v --verbose Output information about processes
-A --auto Automatically insert titles and descriptions
-g --generate DIR Generate an RSS feed for DIR
-a --add FILE Add an item to a channel
-c --channel XML_FILE Create output channel

Skelegen is a command line application for generating and writing RSS feeds for podcasts. Skelegen is capable of generating an RSS feed for a directory of audio recordings. It is also possible to add audio recordings to a channel. Titles and descriptions can be added automatically.

EXAMPLE USAGE
skelegen --generate ~/Music/podcast --channel ~/public_html/podcasts/mypodcast.xml
skelegen --add ~/Music/podcast/episode.mp3 --channel ~/public_html/podcasts/myotherpodcast.xml"

end

if set -ql _flag_generate and set -ql _flag_add;
echo 'ERROR: skelegen cannot add and generate simultaneously';
return 1;
end

if not set -ql _flag_channel;
echo "ERROR: channel must be specified.";
return 1;
end

if set -ql _flag_channel;
if set -ql _flag_verbose
echo 'Touching ~/.skeleton/channellist'
end

mkdir -p ~/.skeleton;
touch ~/.skeleton/channellist;

if set -ql _flag_verbose
echo 'Setting local variables'
end

set -g channelprefix (echo $_flag_channel | sed -E 's/\\/([^\\/]*.xml)/\\/\n\1/' | grep -Ev "[^/]*.xml");
set -g publicprefix (echo $channelprefix | sed -E 's/\\/home\\/'$USER'\\/public_html\\/([^\\/]+\\/)/https:\\/\\/hub.xpub.nl\\/chopchop\\/~'$USER'\\/\1/');
set -g channelfile (echo $_flag_channel | sed -E 's/\\/([^\\/]*.xml)/\\/\n\1/' | grep -Eo "[^/]*.xml");
if grep -Eoq '[[:alnum:]]{8}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{12}/'$channelfile ~/.skeleton/channellist;
set -g showid (grep -Eo '[[:alnum:]]{8}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{12}/'$channelfile ~/.skeleton/channellist | uniq -d | sed -E 's/([[:alnum:]]{8}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{12})\\/('$channelfile')/\1\n\2/' | grep -Eo "[[:alnum:]]{8}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{4}-[[:alnum:]]{12}");
else;
set showid (uuidgen)
end
set -g channel {$channelprefix}{$showid}/{$channelfile};

if set -ql _flag_verbose
echo ' '
echo 'Local Variables'
echo '---------------'
echo 'Showid: '$showid;
echo 'Channel: '$channel;
echo 'Channel file: '$channelfile;
echo 'Public prefix: '$publicprefix;
echo 'Channel prefix: '$channelprefix;
echo ' '
echo 'Making parent directory: ' {$channelprefix}{$showid};
end

mkdir -p {$channelprefix}{$showid};

if not cat $_flag_channel > /dev/null;
if set -ql _flag_verbose
echo 'Writing channel data'
end
touch $channel;
echo '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">' >> $channel;
echo '<channel>' >> $channel;
echo '<ttl>60</ttl>' >> $channel;
echo '<generator>skeleton</generator>' >> $channel;

if set -ql _flag_auto
echo '<title>'My Podcast'</title>' >> $channel;
else;
if set -ql _flag_verbose
echo 'What is the title of your podcast?'
end
read -l channelname -P "Channel Title: ";
echo '<title>'$channelname'</title>' >> $channel;
end

echo '<link>https://hub.xpub.nl/chopchop/worm/</link>' >> $channel;
echo '<atom:link href="'$publicprefix$showid'" ref="self" type="application/rss+xml"/>' >> $channel;
echo '<language>en</language>' >> $channel;

if set -ql _flag_auto
echo '<description><![CDATA['Chanel Description']]></description>' >> $channel;
else;
if set -ql _flag_verbose
echo 'Provide a description for your podcast'
end
read -l channeldesc -P "Channel Description: ";
echo '<description><![CDATA['$channeldesc']]></description>' >> $channel;
end

if set -ql _flag_verbose
echo 'Adding image to channel'
end

echo '<image><url>'{$publicprefix}{$showid}'/image.jpg</url>' >> $channel;
echo '<link>https://hub.xpub.nl/chopchop/worm/</link>' >> $channel;
echo '<title>'$channelname'</title>' >> $channel;
echo '</image>' >> $channel;
# end
echo '</channel>' >> $channel;
echo '</rss>' >> $channel;

if set -ql _flag_verbose
echo 'Indexing channel in ~/.skeleton/channellist'
end

echo $channel >> ~/.skeleton/channellist;
end

mv $channel $_flag_channel

if set -ql _flag_verbose
echo 'Generated channel '$_flag_channel
end

end

if set -ql _flag_generate
head -n 13 $_flag_channel > {$channelprefix}tmpchannel;
# end
if set -ql _flag_verbose
echo 'Writing item data ...'
echo ' '
end

for file in (ls $_flag_generate);
if set -ql _flag_verbose
echo 'Setting incremental counter'
end

set i (math $i + 1);

if set -ql _flag_verbose
echo 'Setting guid'
end

set -l guid (sha256sum {$_flag_generate}/{$file} | grep -Eo "[[:alnum:]]{64}");

if set -ql _flag_verbose
echo 'Making directory: ' {$channelprefix}{$showid}/e/{$guid};
end

mkdir -p {$channelprefix}{$showid}/e/{$guid};
if set -ql _flag_verbose
echo 'Creating link to ' $file
end

ln -s {$_flag_generate}/{$file} {$channelprefix}{$showid}/e/{$guid}/{$file};
set itemfile (printf '%s%s/e/%s/item-%i' $channelprefix $showid $guid $i);
echo "<item>" > $itemfile;

if set -ql _flag_auto
echo "<title>"$file"</title>" >> $itemfile;
else;
read -l title -P "Item $i Title: ";
echo "<title>"$title"</title>" >> $itemfile;
end
echo "<pubDate>"(date)"</pubDate>" >> $itemfile;
echo '<enclosure url="'$publicprefix$showid'/e/'$guid'/'$file'" length="'(soxi -D {$_flag_generate}/{$file})'" type="'(file -b --mime-type {$_flag_generate}/{$file})'"/>' >> $itemfile;
sed -i 's/\\/\\/[^.]*$\\/[^\\/]*.mp3$/\1/' $itemfile;
echo '<guid isPermaLink="false">'$guid'</guid>' >> $itemfile;
set -l link "https://hub.xpub.nl/chopchop/~river/podcasts/$showid/e/$guid/$file";
echo '<link>'$link'</link>' >> $itemfile;
if set -ql _flag_auto
echo '<description><![CDATA['No description']]></description>' >> $itemfile;
else;
read -l desc -P "Item $i Description: ";
echo '<description><![CDATA['$desc']]></description>' >> $itemfile;
end

echo '</item>' >> $itemfile;
end
# concatenate items in reverse order and append to the channel file
if set -ql _flag_verbose
echo 'Writing item data ... done'
echo 'Generating channel ...'
end

for item in (ls -t {$channelprefix}*/e/*/item-*);
cat $item >> {$channelprefix}tmpchannel;
end
# close the rss and channel tags

tail -n 2 $_flag_channel >> {$channelprefix}tmpchannel;
cat {$channelprefix}tmpchannel > $_flag_channel
rm {$channelprefix}tmpchannel
if set -ql _flag_verbose
echo 'Generating channel ... done'
end

end

if set -ql _flag_add
if set -ql _flag_verbose
echo 'Setting local variables'
end

set -g guid (sha256sum $_flag_add | grep -Eo "[[:alnum:]]{64}");
set -g channelprefix (echo $_flag_channel | sed -E 's/\\/([^\\/]*.xml)/\\/\n\1/' | grep -Ev "[^/]*.xml");
set -g addfile (readlink -f $_flag_add | grep -Eo "[^/]*.mp3");
set -g addprefix (echo $_flag_add | sed -E 's/\\/([^\\/]*.mp3)/\\/\n\1/' | grep -Ev "[^/]*.mp3");
set -g itemprefix (printf '%s%s/e/%s' $channelprefix $showid $guid );
set -g itemfile (printf '%s%s/e/%s/item' $channelprefix $showid $guid);
if set -ql _flag_verbose
echo 'Indexing channel in ~/.skeleton/channellist'
end

touch ~/.skeleton/channellist
echo {$channelprefix}{$showid}/{$channelfile} >> ~/.skeleton/channellist

if set -ql _flag_verbose
echo ' '
echo 'Local Variables'
echo '---------------'
echo 'Guid: '$guid;
echo 'Showid: '$showid;
echo 'Channel: '$channel;
echo 'Item file: '$itemfile;
echo 'Add prefix: '$addprefix;
echo 'File to add: '$addfile;
echo 'Item prefix: '$itemprefix;
echo 'Channel file: '$channelfile;
echo 'Public prefix: '$publicprefix;
echo 'Channel prefix: '$channelprefix;
echo ' '
echo 'Making directory' $itemprefix
end

mkdir -p $itemprefix

if set -ql _flag_verbose
echo 'Touching' $itemfile
end

touch $itemfile

if set -ql _flag_verbose
echo 'Writing item data'
end

echo "<item>" > $itemfile;
if set -ql _flag_auto
echo "<title>"No Title"</title>" >> $itemfile;
else;
read -l title -P "Title: "
echo "<title>"$title"</title>" >> $itemfile;
end

echo "<pubDate>"(date)"</pubDate>" >> $itemfile;
echo "Enclosing url"
# set foo (readlink -f $addfile | soxi -D)
echo '<enclosure url="https://hub.xpub.nl/chopchop/~'$USER'/podcasts/'$showid'/e/'$guid'/'$addfile'" length="'(soxi -D {$addprefix}{$addfile})'" type="'(file -b --mime-type {$addprefix}{$addfile})'"/>' >> $itemfile;
sed -i 's/\\/\\/[^.]*$\\/[^\\/]*\\.mp3$/\1/' $itemfile;
echo '<guid isPermaLink="false">'$guid'</guid>' >> $itemfile;
set -l link "https://hub.xpub.nl/chopchop/~"$USER"/podcasts/$showid/e/$guid/$addfile";
echo '<link>'$link'</link>' >> $itemfile;
if set -ql _flag_auto
echo '<description><![CDATA['No description']]></description>' >> $itemfile;
else;
read -l desc -P "Description: ";
echo '<description><![CDATA['$desc']]></description>' >> $itemfile;
end
echo '</item>' >> $itemfile;
touch {$channelprefix}{$channelfile};

if set -ql _flag_verbose
echo 'Adding item to channel';
end

head -n 13 $_flag_channel >> {$channelprefix}tmpchannel;
cat $itemfile >> {$channelprefix}tmpchannel;
tail -n +14 $_flag_channel >> {$channelprefix}tmpchannel;
mv {$channelprefix}tmpchannel $_flag_channel
if set -ql _flag_verbose
echo 'Creating link to '$addfile
end

ln -s $_flag_add {$channelprefix}{$showid}/e/{$guid}/{$addfile};
# ln (readlink -f $_flag_channel)
end
end
</syntaxhighlight>

= Discussion of draft three =

The script now features several additional flags. The "verbose" flag sends to stdout descriptive information about what the script is doing whilst it does it. This information is useful for debugging. It is also a more convenient means of documenting the software than writing about it. The "add" flag allows the user to add an mp3 file to a podcast. If the podcast does not exist, skelegen creates the channel. If the channel exists, skelegen adds the item to the channel. This is a flexible way of creating podcasts. Lastly, the "auto" flag automatically inserts a title and description for the item(s) / channel.

<syntaxhighlight lang="fish">skelegen --generate /media/worm/radio/ --channel ~/public_html/podcast.xml
</syntaxhighlight>
I turned the script into a zine using free and open source software. In particular I used Emacs, pandoc, ConTeXt and pdfcpu.


= Cron and Skelegen =

<pre>0 14 * * 7 skelegen --auto --add (random choice (tree -if /media/worm/radio/ | grep -Eo "(/[^/]+)+.mp3")) --channel /home/$USER/public_html/random-podcast.xml
</pre>
The above line of code is an example of how the shell script can be used to generate a podcast. Here I have combined the script with cron, an automatic task scheduler. The above line of code goes in a crontab file. It calls skelegen at 1400 every Sunday. The cronjob adds a random .mp3 file from Worm's radio archive to a podcast channel called 'random-podcast'. The "auto" flag ensures the script runs to completion. The podcast was inspired by worm's 'random-radio' which plays when nobody is broadcasting live.