On 2/8/10, 7 <7stud.7s...@gmail.com> wrote:
> On 2/8/10, Chris Coggins <cacogg...@cox.net> wrote:
>> What is the proper syntax for a comparison at the end of a subroutine to
>> stop the script if a certain variable is "0" or ''?
>>
>> sub routine{
>> (get data and process it)
>> if $varA = '' || $varA = "0" {
>> (stop script, print error message to user)
>> }
>> else{
>> (continue with script)
>> }
>>
>
> if ($varA = '' || $varA = "0") {  #space after 'if'
>     #code
> }
> else { #space after 'else'
>     #code
> }
>

Rather:

if ($varA eq '' || $varA eq "0") {  #space after 'if'
  #code
}
else { #space after 'else'
  #code
}

-- 
To unsubscribe, e-mail: beginners-unsubscr...@perl.org
For additional commands, e-mail: beginners-h...@perl.org
http://learn.perl.org/


Reply via email to