bash-feed-gen generates a feed file from new files arriving to a directory. This would be useful for people who mantain file servers and want their users to be notify of new files.

bash-feed-gen.sh

#!/bin/bash

FILEDIR="/path/to/files/root/directory"
FEEDDIR="/path/to/feed/root/directory"
BASEURL="http://domain.tld"
TITLE="TITLE"
DESCRIPTION="DESCRIPTION"
ENTRIES="10"

if [[ ! -d $FILEDIR ]]
then
	echo "$FILEDIR does not exist"
	exit 1
fi

if [[ ! -d $FEEDDIR ]]
then
	echo "$FEEDDIR does not exist"
	exit 1
fi

echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>
<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">
	<channel>
		<title>$TITLE</title>
		<description>$DESCRIPTION</description>
		<link>$BASEURL/feed.xml</link>
		<atom:link href=\"$BASEURL/feed.xml\" rel=\"self\" type=\"application/rss+xml\" />
		<pubDate>$(date -R)</pubDate>" > $FEEDDIR/feed.xml

cd $FILEDIR
i=0

while (( i < ENTRIES )) && IFS=$'\t' read -rd $'\0' TS FILE FILESIZE FILENAME
do
	echo "		<item>
			<title>Available: $FILENAME ($FILESIZE)</title>
			<description>Size: $FILESIZE</description>
			<link>$BASEURL/$FILE</link>
		</item>" >> $FEEDDIR/feed.xml
	(( i++ ))
done < <( find * -type f -printf '%T+\t%p\t%s\t%f\0' | sort -rz )

echo "	</channel>
</rss>" >> $FEEDDIR/feed.xml

exit 0