December 2008
Intermediate to advanced
320 pages
6h 45m
English
Content preview from Expert Shell Scripting
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CHAPTER 19Instant Keyboard Response
There are times you may want to enter some input or perform an action without having to use the Enter key. A while back, I encountered this problem when I needed to view the numerical output of ballistic equations. I wanted to be able to increment or decrement an input value and recalculate the results by pressing just one key. I came up with a script that would do this, and display both the changed input value and the new results calculated from it. The example script here, while interesting, is just a simple demonstration of how to process instant response.
My script accomplished its task quite well. The following script is a simplified version that calculates and displays the values for a projectile's trajectory. ...
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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.