February 2001
Beginner to intermediate
448 pages
9h 2m
English
Content preview from Korn Shell Programming by ExampleBecome 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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Looping Constructs
In the next several sections of this chapter, you are introduced to four types of looping mechanisms. A looping mechanism is what enables a script writer to repeat a sequence of lines as many times as necessary. Without looping capability, if you wanted to repeat the same three lines of commands five times, you would have to simply type the lines in repetitively in your script. Using a looping mechanism, a repeat sequence is formed and a test is evaluated to determine whether the looping should repeat. As you will see, the positioning of the test and the steps for executing the loop vary slightly for the four flavors of looping.
This clunky technique does work, by the way. But it certainly has no elegance to it. It's like going ...
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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.