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Re: Bug#214036: im: imput doesn't work with Perl 5.8.1

On Tue, Oct 21, 2003 at 02:10:15PM +0200, Matthias Urlichs wrote:
> Hi, Steve Kemp wrote:
> > The following change makes the code work as expected:
> Your change works as expected, but only because the file has just one line.
> It's not a general solution.
> The general solution is not to use $! as an error indicator in perl. That
> doesn't work reliably. Likewise, you can't use 'errno' as an error
> indicator in C. _Always_ check the return value.

IMHO the return value is the most reliable error indicator (in Perl). The
<> operator returns an undefined value if it is either EOF or an error
occurred; blank lines are returned as 0-length strings (not the same as an
undefined value). 


Just because you can, doesn't mean you should.

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