SAMS Teach Yourself Perl in 24 Hours THIRD EDITION

Your First CGI Program

After all the fanfare, warnings, checklists, and runaround, you're ready to type in your first CGI program. It is shown in Listing 21.1.

Type and save this program as hello. If, in the checklist, you are required to use a certain extension for CGI programs—as noted in the “Extension to be used for CGI programs” item—use that extension. Thus, if you're required to name your CGI programs with a .cgi extension, save this script as hello.cgi. If you're required to use .pl, save this script as hello.pl.

You did fill out the checklist, didn't you?

Listing 21.1. Your First CGI Program

1: #!/usr/bin/perl -w 2: use CGI qw(:standard); 3: use strict; 4: 5: print header; 6: print "<b>Hello, World!</b>";

Line 1: This line is the ...