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Matts (1087)

Matts
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I work for MessageLabs [messagelabs.com] in Toronto, ON, Canada. I write spam filters, MTA software, high performance network software, string matching algorithms, and other cool stuff mostly in Perl and C.

Journal of Matts (1087)

Thursday January 22, 2004
05:19 PM

PerlIO hang bug

[ #16961 ]

Readers of my blog (those that haven't gone elsewhere with my hiatus) will recall I discovered a bug where I could make perl hang doing perlio stuff. Well I now have a minimal test case:

use Encode;
use File::Temp qw(tempfile);
 
my $fh = tempfile();
print $fh map { pack("H*", $_) } qw(94);
seek($fh, 0, 0);
binmode($fh, ":encoding(iso-2022-jp)") || die $!;
while (<$fh>) { print } # hangs in <$fh>

I'll do up a perlbug when sergeant.org is back in action.

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