You've all heard of a Poor Man's Copyright: when you come up with a
great idea and you send it to yourself in the mail to prove it was your
idea. Getting a real copyright can be a pain, and sometimes isn't worth
the effort. A poor man's copyright doesn't have all of the benefits of
a "real" one, but for the small stuff - it usually gets the job done.
When designing a website, the same sort of problem can arise, you have
a project that needs a database
setup, but you either don't have the money
for a database package, or it's such a small database, that using a
commercial package isn't worth the trouble.
Here's one such scenario: I was designing a site for two movie theaters in Georgia. They wanted their movie showtimes
on their site, with a link to the movie's website, a picture, a rating,
etc. I tried doing it the old fashioned
HTML way, but I found that I was typing
in the same information over and over, (after all, Kate Winslet is
always a star of Titanic). They change the showtimes 2 or 3 times a
week, so I found myself typing in that information too many times. The
approximately 10 movies a week certainly didn't merit a
Microsoft SQL
or Oracle. So I decided
to use a series of small text files as a database instead.
Why Perl?
Perl
is an interpreted language that's available on most web server
packages. It's not platform or operating system dependent, and it's easy
to learn and use.
OK-This is a great idea. What do I need?
The recipe calls for 2 cups of sugar, 2 ounces of chocolate and...
1 web server with FTP access: It must have CGI and Perl capabilities (most
modern web servers do). A "small business" account from an
ISP will generally
work, Geocities, Tripod or Angelfire accounts will not; they don't have CGI access.
A note about Windows NT IIS servers -- your server's administrator may
need to add the Perl language to the server. A free copy can be downloaded
from
ActiveState Tool Corp
1 copy of WS-FTP, or another FTP
program that supports
CHMOD.
All scripts will need to be set to "7-5-5"
which means you should check all boxes in the owner column, and the read
and execute box in the group and other columns.
1 copy of
CGI-LIB.PL. This is a Perl library that will make your HTML forms useable in a Perl Script.
Knowledge of a programming language: You don't need to know Perl, but
this article assumes that you know variables and loops and other common
programming concepts.
Know where the Perl program is located on your web server. Also know the
path to your documents. A quick email to your system operator should
get you these pieces of information. Still not sure? There's more
information about this later on in this article. A note about Windows NT IIS servers -- on a properly configured NT
server, knowing where Perl is located is not necessary
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