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initial committ. what was I thinking?
author Robert McIntyre <rlm@mit.edu>
date Mon, 27 Sep 2010 16:57:26 -0400
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     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 }