* [EMAIL PROTECTED] wrote:
> 
> How to find out whether the string contains null values or empty data.
> 
> For example : I have one scalar variable $str and now I want to check
> whether it contains any data or not.
> 
> What I did  : If ($str eq "NULL" || $str eq " "){ print $str conatins
> nothing\n";}

Try this:

  if (!defined $str || $str eq "") { ... }

Almost but not quite the same:

  if (!$str) { ... }

Here the block will also be executed if the value of $str is 0.

-- 
Lars Haugseth

"If anyone disagrees with anything I say, I am quite prepared not only to
 retract it, but also to deny under oath that I ever said it." -Tom Lehrer

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