Employ single variables
Assign a number to a single variable
  1. Open the text editor, then create a new script with this code:

    #!/usr/bin/perl
    print "Content-Type: text/html \n\n";

    # The code below makes it easy to change
    # numbers output by the script.

    $cars_on_lot = 100;

    print "<p>Welcome to <b>ACME AUTO!</b></p>";

    print "<p>Which one of our $cars_on_lot cars is right for you?</p>\n";