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Re: Re^2: Ignorant Article

by MarkM (Curate)
on Feb 19, 2003 at 14:48 UTC ( #236648=note: print w/replies, xml ) Need Help??


in reply to Re^2: Ignorant Article
in thread Ignorant Article

If I were to apply your criteria when considering whether any article is 'ignorant', I would probably find that a lot of articles you write are 'ignorant'. Finding two or three conclusions that you can argue against does not force the entire article to be 'ignorant'. Mistaken, perhaps, but don't you think this whole thread is a little bit harsh?

The CGI interface deserves criticism. The real benefit of CGI is quick-and-dirty hacking, it is not the ability to design an efficient web application (although, on another topic... the idea of an efficient web application may be a contradiction in and of itself).

CGI is simpler, in that some people find writing 20 print statements to be easier to understand than a loop construct. Heck, when cutting and pasting to hack together a script, 20 print statements over a loop construct is actually *common*.

Don't get me wrong -- I'm not saying that CGI has no use. Just that for any application that is designed to be used by more than 2 or 3 people, CGI falls short in a number of categories.

If you want to attack the specific points, yes, the 'CGI tends to produce ugly output' stab is probably better worded 'CGI authors tend to get lazy, and therefore the aesthetic value of the application suffers.' For maintaining state? Consider that for a CGI written in Perl, modules must be loaded in order to store and fetch state information *EVERY SINGLE INVOCATION*. mod_perl solves this problem by keeping modules, and even some data, in memory. mod_perl is not CGI. mod_perl is necessary because CGI is defficient.

CGI should be used for proof of concept, or for cheap hacks. For a real interactive web application, CGI is always the defficient choice. The users *can* notice the difference. Think about it... how slow is perlmonks.org, and how slow would it be if it was written using CGI?

The only times I would prefer CGI over mod_perl or PHP, or some such alternative, would be for one shot scripts that do complicated queries, where it is not expected that the script would be invoked later by the same user, or when I am too lazy, or time pressed to get it to work under mod_perl. Some consider lazy or time pressed to be qualities, so I know that some will disagree with me. I only consider laziness an attribute when the quality or efficiency of my resulting code does not suffer. (i.e. lazy enough to prefer not to re-implement the wheel over and over)

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