while ($line = ) { chomp($line); $content = get $line; open(EXT, ">bla.txt"); if(not defined $content) { print ERR "$line\n"; } else { while ($content =~ m/"(regex)"/g) { $url = $1; # print $url; my $wholeurl = "$line$url"; print EXT "$wholeurl\n"; } exit; } }