I wrote this a while back to check out the disk space (df) on a Linux box, maybe this will help you out ...

In my first page (system.cgi);

<a href="system_process.cgi?action=df">Free Hard Disk Space</a>
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In the second page (system_process.cgi)
I get the 'action' parameter;
my $action = $cgi->param('action') || 'default';

Later in the second page;

print <<"END";
<h1>System Administration</h1>
<table width="450" valign="top" border="0">
   <tr>
    </td>
        <td width="400" valign="top" align="left">
END
        if ($action eq 'df' ) {
                my ($headers_ar, $df_result_ar) = &MySystem::get_df;
                # print out the table headers
                print "<table><tr>\n";
                         foreach my $t_head ( @$headers_ar ) {
                                print "<th>$t_head</th>\n";
                         }
                        # end table header
                        print "</tr>\n";
                        foreach my $hold_ar (@$df_result_ar) {
                         print "<tr>";
                          foreach (@$hold_ar) {
                                print "<td>$_</td>";
                          }
                         print "</tr>";
                        }
                # end table
                print "</table>\n";

        }

print <<"END";
        </td>
   </tr>
</table>
END
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Here is the &MySystem::get_df routine;

sub get_df {
 my (@headers,@rows);
 # put each line the command returns into an array
 my @df = `df -Ph`;
 # the first element of the array contains the headers
 my $temp_df = shift @df;
 @headers = split (/\s+/, $temp_df);
 foreach (@df) {
  my @parsed_row = split (/\s+/, $_);
  unshift @rows, \@parsed_row;
 }
 return (\@headers, \@rows);
}
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The hardest part is figuring out exactly what the command is returning and putting it into a data structure. Then use the data structure to display it. I hope this helps, good luck.

Get Strong Together!!