chomp in perl not working as expected

Question

I found a strange behavior of chomp in Perl and I am unable to comprehend why is chomp is working like this.

The following line does not work as expected

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Answer 1

I like the name chomp() it's sound tells you what it does. As @ruakh mentions it takes one or more arguments, so you can say:

chomp($str1,$str2);
if ( $str1 eq $str2 ) ...

You can also hand it an array of strings, like what you would get from reading a whole file at once, e.g.:

chomp(@lines);