[lug] Perl CGI Question

[Joseph McDonald]

Hmm.. spoke too soon. I finally figured out a good method.
please continue with regularly scheduled activity :P

On Wed, Aug 06, 2003 at 03:45:35PM -0400, Joseph McDonald wrote:
> Hey gang, 
> 
> Please forgive the long code paste. I've been racking my 
> brain trying to figure out the best way to set an option value 
> 'selected' in a select query in a perl CGI. Best demonstrated
> as a short working example.. 
> 
> I'd like to have the second page display the previously 
> submitted value in the newly printed select query. The
> way to do this would be to print:
> 
>      print qq|<OPTION VALUE="Apr" selected>Apr \n|;
> 
> in the return page, had Apr been selected. I just can't think 
> of an easy way to do that. The only way I can think of doing 
> it would be an if/else statement for each option value which 
> seems ridiculous. Any ideas?
> 
> 	--joey
> 
> 
> 
> #!/usr/local/bin/perl
> 
> use CGI qw(:standard);
> 
> my $date = param('month');
> 
> print header,
>    start_html('A Simple Example'),
>    h1('A Simple Example');
> 
> unless (param()) {
> 
>     print start_form;
>     print qq| Enter the date: \n|;
>     print qq|<SELECT NAME="month">\n|;
>     print qq|<OPTION VALUE="">\n|;
>     print qq|<OPTION VALUE="Jan">Jan \n|;
>     print qq|<OPTION VALUE="Feb">Feb \n|;
>     print qq|<OPTION VALUE="Mar">Mar \n|;
>     print qq|<OPTION VALUE="Apr">Apr \n|;
>     print qq|<OPTION VALUE="May">May \n|;
>     print qq|<OPTION VALUE="Jun">Jun \n|;
>     print qq|<OPTION VALUE="Jul">Jul \n|;
>     print qq|<OPTION VALUE="Aug">Aug \n|;
>     print qq|<OPTION VALUE="Sep">Sep \n|;
>     print qq|<OPTION VALUE="Oct">Oct \n|;
>     print qq|<OPTION VALUE="Nov">Nov \n|;
>     print qq|<OPTION VALUE="Dec">Dec \n|;
>     print qq|</SELECT> \n|;
> 
>     print submit(), end_form, hr;
> 
> 
> }
> else {
>     print start_form;
>     print "You selected $date\n<BR>", hr;
> 
>     print qq| Enter the date: \n|;
>     print qq|<SELECT NAME="month">\n|;
>     print qq|<OPTION VALUE="">\n|;
>     print qq|<OPTION VALUE="Jan" >Jan \n|;
>     print qq|<OPTION VALUE="Feb" >Feb \n|;
>     print qq|<OPTION VALUE="Mar" >Mar \n|;
>     print qq|<OPTION VALUE="Apr" >Apr \n|;
>     print qq|<OPTION VALUE="May" >May \n|;
>     print qq|<OPTION VALUE="Jun" >Jun \n|;
>     print qq|<OPTION VALUE="Jul" >Jul \n|;
>     print qq|<OPTION VALUE="Aug" >Aug \n|;
>     print qq|<OPTION VALUE="Sep" >Sep \n|;
>     print qq|<OPTION VALUE="Oct" >Oct \n|;
>     print qq|<OPTION VALUE="Nov" >Nov \n|;
>     print qq|<OPTION VALUE="Dec" >Dec \n|;
>     print qq|</SELECT> \n|;
> 
>     print submit(), end_form, hr;
> }
> 
> print end_html();
> 
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