Use binmode on your file handle. That will prevent LF from being transformed into CRLF.

Update:

Syntax example (using open syntax introduced in Perl 5.6.0): 

open(my $fh, '>', file);
binmode($fh);
print $fh ...

[download]

Alternate syntax example (using open syntax introduced in Perl 5.8.0): 

require v5.8.0;
open($fh, '>:raw', file);
print $fh ...

[download]

It works on STDOUT too: 

binmode(STDOUT);
print ...

[download]

In reply to Re: Activestate open unix filehandle by ikegami
in thread Activestate open unix filehandle by cutter

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