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Cocoa Programming for OS X: The Big Nerd Ranch Guide
book

Cocoa Programming for OS X: The Big Nerd Ranch Guide

by Aaron Hillegass, Adam Preble, Nate Chandler
April 2015
Intermediate to advanced content levelIntermediate to advanced
556 pages
17h 47m
English
Big Nerd Ranch Guides
Content preview from Cocoa Programming for OS X: The Big Nerd Ranch Guide

35 NSTask

Each application that you have created is a bundle, a directory which OS X displays to the user as a single file. 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. In this chapter, you will learn how to run a command-line tool from your Cocoa application using 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 ...

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Publisher Resources

ISBN: 9780134077130Purchase book