small script that tells you when mountain lion is available

ml-avail.sh

#!/bin/sh
URL='http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewMultiRoom?fcId=489264329&mt=12'
SEARCH_STRING="mountain"
echo "Mountain Lion"
echo "Press Ctrl-C to exit."
echo ""
while true ; do
  curl -silent -A "iMacAppStore/1.0.1 (Macintosh; U; Intel Mac OS X 10.6.7; en) AppleWebKit/533.20.25" ${URL} | grep -i "${SEARCH_STRING}" > /dev/null
  if [ "$?" == "0" ]; then
    echo "Search string found!"
    say "Mountain Lion has been released"
    echo "Opening search URL"
    open $URL
    exit
  else
    echo "Nothing found yet. Trying again in 5 minutes..."
  fi
  sleep 300
done