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Dr.Ruud wrote:
> "flotsan" schreef:
>
>> it is told the following two statements are
>> different:
>>
>> 1) if ($_ = <STDIN>) { print; } # suboptimal: doesn't test defined
>> 2) if (defined($_ = <STDIN>)) { print; } # best
>>
>> But as I see it, these two do the same thing
>
> perl -le '
> print defined($_) ? "\"$_\"" : "<undefined>"
> , "\tis "
> , $_ ? "true" : "false"
> for undef, "", 0, "0", 0E0, "0E0", 0.0, "0.0", 1
> '
>
That's over my head...
- --
If we don't protect freedom of speech, how will we know who the assholes
are?
http://theillien.blogspot.com
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