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#!/bin/bash
# RSS Display Script by Bill Woodford (admin@sdesign.us) v1.0
#
# This script is designed to output story titles for most any RSS Feed.
#
# This script depends on curl. Please ensure it is installed and in your $PATH
# Gentoo: emerge -av net-misc/curl
# Debian: apt-get install curl
# Homepage: http://curl.haxx.se/
#
# Usage:
# .conkyrc: ${execi [time] /path/to/script/conky-rss.sh URI LINES TITLENUM}
# URI = Location of feed, ex. http://www.gentoo.org/rdf/en/glsa-index.rdf
# LINES = How many titles to display (default 5)
# TITLENUM = How many times the title of the feed itself is specified, usually 1 or 2 (default 2)
#
# Usage Example
# ${execi 300 /home/youruser/scripts/conky-rss.sh http://www.foxnews.com/xmlfeed/rss/0,4313,1,00.rss 4 2}
#RSS Setup - Don't change unless you want these values hard-coded!
uri=$1 #URI of RSS Feed
lines=$2 #Number of headlines
titlenum=$3 #Number of extra titles
if [ -n $4 ]; then
width=$4
else
width=1024
fi
#Script start
#Require a uri, as a minimum
if [[ "$uri" == "" ]]; then
echo "No URI specified, cannot continue!" >&2
echo "Please read script for more information" >&2
else
#Set defaults if none specified
if [[ $lines == "" ]]; then lines=5 ; fi
if [[ $titlenum == "" ]]; then titlenum=2 ; fi
#The actual work
curl -s --connect-timeout 30 $uri |\
sed -e 's/<\/title>/\n/g' |\
grep -o '<title>.*' |\
sed -e 's/<title>//' |\
head -n $(($lines + $titlenum)) |\
tail -n $(($lines)) | \
fmt -t -w $width
fi
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