Here is an example of what is probably the most basic CGI Script in perl:
#!/usr/bin/perl
# It's always a good idea to use the strict pragma while developing
# Perl code, it makes Perl warn about dangerous code
use strict;
# We're also going to include the CGI module, so that we can take
# advantage of other programmer's efforts (One of Larry Wall's basic
# tennants is that programmers are fundamentally lazy -- he's probably
# right, but I can't be bothered to prove it right now)
use CGI;
# instantiate a new CGI object
my $cgi = new CGI;
# perform a single print statement, with liberal use of the perl
# string concatenator "." and some CGI methods
print
$cgi->header .
$cgi->start_html('Hello World!') .
$cgi->h1('Hello World!') .
$cgi->end_html;
# Tell the webserver everything is fine
exit (0);
#!/usr/bin/perl
# It's always a good idea to use the strict pragma while developing
# Perl code, it makes Perl warn about dangerous code
use strict;
# We're also going to include the CGI module, so that we can take
# advantage of other programmer's efforts (One of Larry Wall's basic
# tennants is that programmers are fundamentally lazy -- he's probably
# right, but I can't be bothered to prove it right now)
use CGI;
# instantiate a new CGI object
my $cgi = new CGI;
# perform a single print statement, with liberal use of the perl
# string concatenator "." and some CGI methods
print
$cgi->header .
$cgi->start_html('Hello World!') .
$cgi->h1('Hello World!') .
$cgi->end_html;
# Tell the webserver everything is fine
exit (0);
To test that Perl and CGI Scripts are working, save the text above in a file called hello.cgi. Then upload the above file to the server.
http://yourdomainname/www/hello.pl
(Replace 'yourdomainname' with your actual domainname.)
You should be able to access the CGI Script URL:
http://yourdomainname/hello.pl
(Replace yourdomainname with your actual domain name.)
and you should see the output:
Hello World!
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