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#!/usr/bin/env bash
###
TEMPSUFFIX="$(od -t x1 -An -N6 /dev/urandom | tr -d '\n ')"
TEMPFILE="/tmp/rss.xml.${TEMPSUFFIX}"
# Make a tempfile for rss feed construction
touch "${TEMPFILE}"
echo "Tempfile at: ${TEMPFILE}"
###
title='Glue Code'
link="https://gluecode.net/blog"
description='Brain Dump'
rsslink="https://gluecode.net/blog/rss.xml"
feedname="/var/www/blog/rss.xml"
postDir="/var/www/blog/posts"
###
header="""
<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">
<channel>
<title>${title}</title>
<link>${link}</link>
<description>${description}</description>
<atom:link href='${rsslink}' rel='self' type='application/rss+xml' />
"""
footer="</channel></rss>"
echo $header >> $TEMPFILE
postArray=( $(ls -r "$postDir"/*/*.html) )
numPosts=$(ls "$postDir"/*/*.html | wc -l)
echo "numposts is $numPosts"
for posts in "${postArray[@]}"; do
post=$posts
fullTitle=$(grep -o '>.*</h1>' $post | sed -e 's,>,,g' -e 's,</h1,,g')
postname=${post##*/}
linkadd="$link"/"$postname"
guidadd=$linkadd
LEN=$(wc -l ${post}|awk '{print $1}')
extract=$(cat $post | head -n $((${LEN}-1)) | tail -n $((${LEN}-3)) )
echo """<item>
<title>$fullTitle</title>
<link>$linkadd</link>
<guid>$linkadd</guid>
<description>$fulltitle</description>
<content type="text/html" mode="escaped">$extract</content>
</item>
""" >> $TEMPFILE
done
echo $footer >> $TEMPFILE
mv -v $TEMPFILE $feedname
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