exponents.cgi

 


#!/usr/bin/perl

if ($ENV{'REQUEST_METHOD'} eq 'GET')
{
        @pairs = split(/&/, $ENV{'QUERY_STRING'});
}
elsif ($ENV{'REQUEST_METHOD'} eq 'POST')
{
    read (STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
    @pairs = split(/&/, $buffer);

    if ($ENV{'QUERY_STRING'})
    {
        @getpairs =split(/&/, $ENV{'QUERY_STRING'});
        push(@pairs,@getpairs);
    }
}
else
{
    print "Content-type: text/html\n\n";
    print "<P>Use Post or Get";
}


$number = $formdata{'number'};
$power = $formdata{'power'};

$result = $number ** $power;

print "Content-type: text/html\n\n";
print "<P>You entered $number with an exponent of $power";
print "<P>$number raised to the $power power is $result.";