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open my $test, '<', 'test.txt' or die "Can't open file: $!"; while (my $line = <$test>) { ... && 'OXYGEN' eq $group; } }
($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,