Are you sure that there are no other invisible characters at the end of the file (such as carrige return "\r")? If there are you should include them in the regexp: 
$body=~s/[\n\r]+$//;

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In reply to Re: Trim blanks from the beginning and end of a multi-line string by chessgui
in thread Trim blanks from the beginning and end of a multi-line string by kenclark

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