$ perl -MO=Deparse -F, -lanE 'm/module/?say:say qq|.$F[0]($F[0])$F[1]|' BEGIN { $/ = "\n"; $\ = "\n"; } use feature 'current_sub', 'bitwise', 'evalbytes', 'fc', 'postderef_qq', 'say', 'state', 'switch', 'unicode_strings', 'unicode_eval'; LINE: while (defined($_ = readline ARGV)) { chomp $_; our @F = split(/,/u, $_, 0); /module/u ? say($_) : say(".$F[0]($F[0])$F[1]"); } #### use warnings; use strict; use feature 'say'; while ( my $line = <> ) { chomp $line; my @F = split /,/, $line; if ( $line =~ /module/ ) { say $line; } else { say ".$F[0]($F[0])$F[1]"; } }