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@yanbe
Created December 7, 2010 11:05
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Check arbitrary PDF file on the web and mail diff from last version if it has changed.
#!/bin/sh
export PATH=/opt/bin:$PATH
URL=http://example.com/kushitu.pdf
CUR_LENGTH=`curl --head $URL 2>/dev/null | awk '/Content-Length:/ {print $2}'`
cd /home/john/kushitu_checker
if [ $CUR_LENGTH != `cat last_length` ]; then
curl $URL > kushitu.pdf
pdftotext -enc UTF-8 -raw kushitu.pdf /dev/stdout | sed 's/^.*現在//g' > kushitu.txt
diff -U 0 kushitu.txt last_kushitu.txt | nail -A myaccount -s "Room Updates" john@example.com
echo $CUR_LENGTH > last_length; rm kushitu.pdf; mv kushitu.txt last_kushitu.txt
fi
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