Tips: When developing your script...

While developing a .cgi script, runtime errors are not returned
to you, but sent to the server.

In order to be able to receive the errors generated by your
script, you may request CGI to send the errors to the browser
with the following syntax:

use CGI qw(:standard);
use CGI::Carp qw(fatalsToBrowser);

once you are sure that your script works as expected,
please replace it back to the 'standard'

use CGI qw(:standard);

Also remember that you may execute the .cgi scripts from
the Unix command line, adding the parameters after the
name of the script, as in the following example:

  myScript.cgi num=10 name=John

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