NMTask is a very simple subclass of NSTask that provides convenience methods for executing a script and storing the response from that script.
This is what you would want to use NSTask for in most cases, and so it should be simpler.
Using - runScript: you can run any shell script just as you would on
your command line.
NMTask *task = [NMTask runScript:@"echo Hello > hello.txt"];
It is really just a convenience method for - runTaskAtLaunchPath:withArguments::
NMTask *task = [NMTask runTaskAtLaunchPath:@"/bin/sh" withArguments:@[@"-c", script]];
Responses and errors from executions are stored in @response and
@errorMessage respectively.
NSLog(@"Response: %@", task.response);
NSLog(@"Error: %@", task.errorMessage);
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