sub x1_3o { open my $in, '<', $thefile or die "Can't read old file: $!"; open my $out, '>', "$thefile.new" or die "Can't write new file: $!"; while (<$in>) { if ($_ =~ /replaceme/) { print $out $_; print $out "

\n"; } next if /replaceme/../replaceme/; print $out $_; } close $out; close $in;