RSS

#!/bin/bash

# Written By Woland

# Super basic RSS script
# Add RSS link to FEED_URL or specify with -f 

#Dependency:
#          curl sed awk

# https://github.com/wolandark
# https://github.com/wolandark/BASH_Scripts_For_Everyone

USAGE="Usage: $0 [-h] [-f FEED_URL]"

usage() {
  echo $USAGE
  echo "  -h                display this help message"
  echo "  -f FEED_URL       specify the URL of the RSS feed"
}

FEED_URL="http://rss.cnn.com/rss/cnn_topstories.rss"

while getopts ":hf:" opt; do
  case ${opt} in
    h )
      usage
      exit 0
      ;;
    f )
      FEED_URL=$OPTARG
      ;;
    \? )
      echo "Invalid option: -$OPTARG" >&2
      usage
      exit 1
      ;;
    : )
      echo "Option -$OPTARG requires an argument." >&2
      usage
      exit 1
      ;;
  esac
done

if [ -z "$FEED_URL" ]; then
  echo "Please provide a URL for the RSS feed."
  usage
  exit 1
fi

curl -s $FEED_URL > feed.xml

sed -e 's/>/>\n/g' feed.xml | awk '/title/ , /\/title/' | grep -v 'title>' | sed -e 's/^.*\[//' -e 's/...$//'