Mathew Snyder wrote:
> John W. Krahn wrote:
>>>Yes, Perl has five "false" values: undef, (), 0, '' and '0', and two of those
>>>are valid input from the readline operator.
>
> Should running the above from the command line make a difference? I ran
> them both entering 0 each time and I got 0 back. This is what it looks
> like:
>
> [EMAIL PROTECTED]:~> perl -e 'if ($_ = <STDIN>) { print; }'
> 0 <---input value
> 0 <---returned value
The problem there is that the input value is actually "0\n". Try it like this:
echo -n 0 | perl -e 'if ($_ = <STDIN>) { print }'
John
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