Mercurial > boosterpack

     1 #!C:/strawberry/perl/bin/perl.exe

     2 

     3 use strict;

     4 use CGI;

     5 

     6 my $q = new CGI;

     7 

     8 print $q->header();

     9 

    10 if ( defined $q->param('submit') or defined $q->param('Centigrade') or defined $q->param('Kelvin')) {

    11   my $result = "";

    12   if ( defined $q->param('Centigrade') and $q->param('Centigrade') ne "") {

    13     $result = $q->param('Centigrade') + 273.15;

    14   } elsif ( defined $q->param('Kelvin') and $q->param('Kelvin') ne "" ) {

    15     $result = $q->param('Kelvin') - 273.15;

    16   }

    17   print $result;

    18 } else {

    19   print &Show_Form();

    20   print &Show_Footer();

    21 }

    22 

    23 sub Show_Form {

    24   my $html = "";

    25   $html .= <<EOT;

    26 <HTML>

    27   <HEAD><title>Temperature Conversion</title>

    28 </HEAD>

    29 <BODY>

    30   <form>

    31   Temperature =<br>

    32   <input type="text" name="Centigrade" size="10"> degrees C<br>

    33   <input type="text" name="Kelvin" size="10"> degrees K<br>

    34   <input type="submit" name="submit" value="Convert">

    35   <input type="reset"><br>

    36   </form>

    37 EOT

    38 

    39   return $html;

    40 }

    41 

    42 sub Show_Footer {

    43   print "</body></html>\n";

    44   return;

    45 }
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 26 Jun 2010 20:06:08 -0400
parents	477258d09353
children