November 1999
Intermediate to advanced
832 pages
19h 28m
English
Content preview from Practical Programming in Tcl & Tk, Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Defining Forms and Processing Form Data
The guestbook.cgi script only generates output. The other half of CGI deals with input from the user. Input is more complex for two reasons. First, we have to define another HTML page that has a form for the user to fill out. Second, the data from the form is organized and encoded in a standard form that must be decoded by the script. Example 3-8 on page 40 defines a very simple form, and the procedure that decodes the form data is shown in Example 11-6 on page 155.
The guestbook page contains a link to newguest.html. This page contains a form that lets a user register his or her name, home page URL, and some additional HTML markup. The form has a submit button. When a user clicks that button in their browser, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.