Re: Equal strings don't match!

[CountZero]

The usual answer is that they do not match because they are different. Issues of different character sets, "hidden" spaces at the start or the end or EOL characters may mess up your test. Do a print "**$elem**\n"; before the test so you can see what you are comparing.

[moritz]

I agree that they are likely to be different, but simply printing them with a delimiter will not show all possible differences.

This is what I use instead:

use Data::Dumper;
local $Data::Dumper::Useqq = 1;
print Dumper($str1, $str2);

[jettero]

Also, I think the cmdline file has oddball characters in it sometimes...

$elem =~ s/([^[:print]])/'\x'.unpack("H*", $1)/eg; might, therefore be revealing as well.