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  1. or download this
    use Data::Dumper;
$Data::Dumper::Terse = 1;
...
print(Dumper($_));         # "abc\r\n"
chomp;
print(Dumper($_));         # "abc\r"
  2. or download this
    >copy nul foo
        1 file(s) copied.
...

>perl -e"opendir $dh, '.' or die; print readdir $dh"
...barfoo