perldoc -f defined should answer your question.
On Tue, Apr 22, 2008 at 1:39 PM, <[EMAIL PROTECTED]> wrote:
> Hi All,
>
>
>
> How to find out whether the string contains null values or empty data.
>
>
>
> For example : I have one scalar variable $str and now I want to check
> whether it contains any data or not.
>
>
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> What I did : If ($str eq "NULL" || $str eq " "){ print $str conatins
> nothing\n";}
>
>
>
> Is this correct?? Because doing as per above code , I am not getting
> proper result.
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>
>
> Please help
>
>
>
> Regards,
>
> Irfan
>
>
>
>
