How do you check to see if a string is NULL in PERL? ie in C... if (string) { //string exists }?

In perl, it's pretty much the same:


if ($string) {


#$string exists


}





if (!$string){


#$string is NULL


}

How do you check to see if a string is NULL in PERL? ie in C... if (string) { //string exists }?
if($str1 eq "") {.....} #check to see if string str1 is null
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