eol
EOL - This module aids in the conversion of text file newline characters within the context of other perl code; includes command line executable.
PerlIO::eol - PerlIO layer for normalizing line endings
Text::FixEOL - Canonicalizes text to a specified EOL/EOF convention, repairing any 'mixed' usages
s/\s+$//;

In reply to Re: \r\n at end of line by Anonymous Monk
in thread \r\n at end of line by John M. Dlugosz

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