To be clear.
Programing Perl describes chomp as "This function (normally) deletes a trailing newline from the end of a string contained in a variable. This is a slightly safer version of chop"
chop itself is "This function chops off the last character of a string variable and returns the character chopped."
IOW, chop does what it means, it chops off the end. chomp is a very similar one, that only (before version 5.6) chops off ^M
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