in reply to Perl app won't compile /run from cron

Perl modules are searched for in @INC, not $ENV{PATH}. To set @INC, you can use the $PERL5LIB environment variable, or specify the directories with the -I options to perl (see perlrun). 
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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In Section Seekers of Perl Wisdom