On Mon, Mar 17, 2008 at 11:46 AM, Gunnar Hjalmarsson <[EMAIL PROTECTED]> wrote:
>
> Kashif Salman wrote:
>  > I have a CGI script; when it runs the very first time I define some 
> variables
>  > my $action = $q->param('action');
>  >
>  > The first time it runs, parameter 'action' isn't defined so that is
>  > how I check that it is running the first time and do my things
>  >
>  > if ($aciton eq "") {...}
>  > elsif ($action eq "submit") {...}
>  >
>  > the elsif runs if I hit a button on a form which has a hidden field
>  > that sets action="submit". My question is that the script produces a
>  > warning on the if statement " Use of uninitialized value in string eq
>  > ". How can I get rid of that without using "no warnings". I tried 'if
>  > (defined("$action"))' but that still produces a warning.
>
>      if ( ! $action ) {...}
>
>  --


if( defined $q->param('action') )            #still produces the warning
if ( ! $action )              #worked

thanks

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