Dr.Ruud wrote:
> Mathew Snyder schreef:
>>John W. Krahn:
>
>>>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
>
> Normally, $/ is "\n", so there is often a newline character at the end
> of the value of $_.
The reason that there is a newline character at the end of the input is
because that is the way the terminal software works, not because of the value
of $/.
John
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