Checking the links to your site (from affiliates) using cron and bash script.

If you have some affiliate links and are concerned about their presence then you can setup cron to check the links for you regularly. For this you need a very simple script (as below) and a cron entry (example further down).

#!/bin/bash –
#===============================================================================
#
#          FILE:  checklinks.sh
#
#         USAGE:  ./checklinks.sh
#
#   DESCRIPTION:  Check if the links exists on affiliate sites
#
#       OPTIONS:  —
#  REQUIREMENTS:  —
#          BUGS:  —
#         NOTES:  —
#        AUTHOR:  Amit Agarwal (AKA), amit.agarwal@amit-agarwal.co.in
#       COMPANY:  Individual
#       VERSION:  1.0
#       CREATED:  04/07/2010 08:19:29 AM IST
#      REVISION:  —
#===============================================================================

websites=\”space seperated website address like http://amit-agarwal.co.in http://blog.amit-agarwal.co.in\”
echo \”Checking the sites for Links\”
echo $websites|tr \’ \’ \’\\n\’
echo
echo
for i in $websites
do
curl -s $i |grep amit-agarwal.co.in > /dev/null
if [ $? != 0 ]
then
echo \”Link not found on $i\”
fi
done

Then make a crontab entry like this:

40 08 * *  * (echo \”Subject: Link verification on affiliate sites @ `date`\”;<fullpath>/checklinks.sh) |/usr/sbin/sendmail <email>

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