in reply to Has a filehandle been binmode'd

See PerlIO and then the get_layers function. 
my @l = PerlIO::get_layers($fh, details => 1);

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Boris

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Re^2: Has a filehandle been binmode'd
by ambrus (Abbot) on Feb 27, 2006 at 20:23 UTC
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In Section Seekers of Perl Wisdom