for ( my $x = 0; $x < $numFrom; $x++) { for (my $y = 0; $y < $leftCon-1; $y++) { if (@fromCon[$x] eq @leftCon[$y]) { my $fromConv = @fromCon[$x]; $fromConv = $leftcounter."L"; push @fromConv, $fromConv; } if (@toCon[$x] eq @leftCon[$y]) { my $toConv = @toCon[$y]; $toConv = $leftcounter."L"; push @toConv, $toConv; } $leftcounter++; } for (my $y = 0; $y < $rightConnectors-1; $y++) { if (@fromCon[$x] eq @rightCon[$y]) { my $fromConv = @fromCon[$x]; $fromConv = $leftcounter."R"; push @fromConv, $fromConv; } if (@toCon[$x] eq @rightCon[$y]) { my $toConv = @toCon[$y]; $toConv = $leftcounter."R"; push @toConv, $toConv; } $rightcounter++; } } print @fromConv; print @toConv;