You want CGI.pm: 
use strict;
use CGI qw(:standard);

my @box = (qw(SSD PERS SS), 'CHILD SUP');

print header,
   start_html,
   start_form,
   checkbox_group(
      -name=>'type',
      -values=>\@box,
   ),
   p(submit('Go')),
   end_form,
;

if (param('Go')) {
   print p(hr), 'You picked:',
      ul(li[param('type')]),
   ;
}

print end_html;

[download]

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)

In reply to (jeffa) Re: Edit page with checkboxes by jeffa
in thread Edit page with checkboxes by perleager

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