It's not overly flexible in terms of layout, but one should mention the CGI.pm solution if only for completeness:

$html .= $query->radio_group(-name      => "my_parameter",
                             -values    => [qw/option1 option2/],
                             -default   => $existing_value,
                             -labels    => {option1=>"Option 1",
                                            option2=>"Option 2"},
                             -linebreak => "true");

[download]

It seems that CGI.pm uses "checked" instead of "selected", despite that selected is the spec. For more copious options, see your local CGI.pm documentation.

Update: In my sleep-deprived state, I somehow saw "drop-down list" and thought "radio group." Don't ask about the details. Anyways, all of the above does apply to popup_menu as well as radio_button, as mortis points out. Memo to self: Engage brain before noding.

perl -pe '"I lo*`+$^X$\"$]!$/"=~m%(.*)%s;$_=$1;y^`+*^e v^#$&V"+@( NO CARRIER'

In reply to Re: Dynamically marking a HTML select option as selected by Chmrr
in thread Dynamically marking a HTML select option as selected by ezekiel

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