Check arbitrary PDF file on the web and mail diff from last version if it has changed.check_and_mail_diff.sh ��Y�{U �s�{U #!/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_kus
