follwing code works for me though there is an error message "Unknown resource key 'Encoding' in form field dictionary at /usr/local/share/perl/5.26.1/CAM/PDF.pm line 2914." 
#!/usr/bin/perl -w
        use strict;
        use CAM::PDF;
       my $pdf = CAM::PDF->new('tenant.pdf') or die "Could not open PD
+F ($!)!";
my @fields = $pdf->getFormFieldList();
foreach my $field ( @fields ) {
    if ($field =~ /Female/) {
        my $ff_obj    = $pdf->getFormField($field);

        $ff_obj->{value}->{value}->{AS}->{value} = "On";
    }
    else {
        $pdf->fillFormFields($field => $field);
    }
}
$pdf->cleanoutput('afilled.pdf');

[download]

In reply to Re: Filling PDF Form Checkboxes by Anonymous Monk
in thread Filling PDF Form Checkboxes by steve

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.