December 1999
Beginner
528 pages
11h 10m
English
Content preview from Linux and Unix Shell Programming
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22.5. Conclusion
Being able to validate user input is an important and sometimes advanced skill. You may know what your records take as input, but generally users will not.
There’s an old saying in the computer industry that goes something like this: ‘Garbage in garbage out. . . who cares, it’s too late then’. This means that if you do not test for garbage data coming in through your scripts you are going to output garbage information.
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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.
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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.