November 2011
Intermediate to advanced
528 pages
10h 14m
English
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Chapter 36. NSTask
Each application that you have created is a directory, and somewhere down in that directory is an executable file. To run an executable on a Unix machine, like your Mac, a process is forked, and the new process executes the code in that file. Many executables are command-line tools, and some are quite handy. This chapter, then, will be showing you how to run command-line tools from your Cocoa application by using the class NSTask.
NSTask is an easy-to-use wrapper for the Unix functions fork() and exec(). You give NSTask a path to an executable and launch it. Many processes read data from standard-in and write to standard-out and standard-error. Your application can use NSTask to attach pipes to carry data to and from the external ...
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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.