(OS X) Watch a URL and display a Notification Center notification when the URL has changed
| #!/bin/bash | |
| if [ -z "$1" ] ; then | |
| echo "Supply a URL to watch." | |
| exit 1 | |
| fi | |
| tempfile1=`mktemp -t urlwatch` | |
| tempfile2=`mktemp -t urlwatch` | |
| curl "$1" > $tempfile2 | |
| cat $tempfile2 | |
| cp $tempfile2 $tempfile1 | |
| echo | |
| echo --- | |
| while diff -q $tempfile1 $tempfile2 ; do | |
| curl -s "$1" > $tempfile1 | |
| sleep 5 | |
| done | |
| echo | |
| cat $tempfile1 | |
| osascript -e "display notification \"URL $1 changed.\"" | |
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