-----Original Message-----
From: Michael G Schwern [mailto:[EMAIL PROTECTED]
Sent: 29 June 2005 00:21
To: perl5-porters@perl.org
Subject: Re: [perl #36417] IO::Handle::getline() doco should note an
important difference from <$io>
On Tue, Jun 28, 2005 at 06:25:31PM -0000, Justin Mason wrote:
> However, there is one key difference: "while (<$io>)" and "while
> ($io->getline)" ha ve different behaviour. If the last line of an input
> file
> contains "0" (with no trailing newline), "while (<$io>)" will read it and
> perform an iteration of the while loop, but "while ($io->getline)" will read
> it, consider it a false value, and instead break out of the while loop.
Confirmed. while(<FH>) must have some sort of special case to consider
"0" true to avoid this sort of gotcha.
-----
Surely bigger difference is that
C< while(<$io>) > sets C<$_>
while
C< while($io->getline) > does not.
Robin
--
Michael G Schwern [EMAIL PROTECTED] http://www.pobox.com/~schwern
Just call me 'Moron Sugar'.
http://www.somethingpositive.net/sp05182002.shtml
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