If you have multiple versions of perl installed, you may need to use the full path to your perl executable in your crontab file: 
/full/path/to/my/perl my_script.pl

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Different version of perl have potentially different module include paths (@INC).

super search where title contains "crontab"

In reply to Re: perl module not working in crontab by toolic
in thread perl module not working in crontab by omegaweaponZ

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