When my script uses non-Core Perl modules, I need to use the full path to the perl executable in my crontab file: 
* * * * * /data/opt/pkg/bin/perl script.pl

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You may also need to add the module path using -I: 
* * * * * /data/opt/pkg/bin/perl -I/data/oracle64/product/11.1.0/clien
+t_1/lib script.pl

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In reply to Re: setting environment variable issue (crontab) by toolic
in thread setting environment variable issue by Samy_rio

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