May 2008
Intermediate to advanced
464 pages
8h 13m
English
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Chapter 34. NSTask
Each application that you have created is in fact a directory, and somewhere down in that directory is an executable file. To run an executable on a Unix machine, such as 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 shows 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 it 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 process. ...
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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.