Output to files is buffered. If you wait long enough, the output will also show up in the file.

If you really want the output to be unbuffered (thus slowing down your program somewhat), see perlvar about $|:

my $oldfh = select(LOG); $| = 1; select($oldfh);

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In reply to Re: problem writing to a file handle by Corion
in thread problem writing to a file handle by natxo

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