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Questions tagged [nstask]

NSTask Class on OS X API , lets you run another program as a subprocess and monitor that program’s execution

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echo Does Not Work with NSTask and readInBackgroundAndNotify

I have the following Obj-C code and its log output. Can anyone tell me why I'm not getting any output from the NSFileHandle? @implementation AppDelegate - (void)applicationDidFinishLaunching:(NSNotification *)aNotification { [self…
Shun Y.
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NSTask not working as expected / hoped for

get_iplayer allows user to download files from the BBC iPlayer service. It is awesome, they both are. I'm attempting to run a get_iplayer command from within Xcode using NSTask: NSTask *task = [[NSTask alloc] init]; [task…
Return_Of_The_Archons
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Unable to get intermediate output from NSTask's stdout?

I have written an NSTask async exec method for a simple python script. When then python script just prints to stdout, all is fine. When there is a raw_input in there (expecting input from the user), it sure gets the input fine, but it does NOT print…
Dr.Kameleon
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security find-generic-password command for safari returning some garbage value

I want to find the Safari Extensions List password from the keychain. I am doing it through NSTask now, As soon as we launch the task, it is printing some password. But When I store the password in some NSString using, NSString * password =…
user3328076
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Run vim using NSTask

I'm writing console program. I want to launch vim from that program, wait until user exits it and continue execution. let editorTask = NSTask() editorTask.currentDirectoryPath = "/Users/vbezhenar/Documents" editorTask.launchPath =…
vbezhenar
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Start Activity Indicator View before launching NSTask Objective-c ios

In my app, I've several buttons that, when pressed, launch an NSTask. It works well but I would like to inform the user when this task begin and when it finish by showing an Activity Indicator View (the little gray wheel). Does anybody can give me…
Synny
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Launch command line in Objective C

I would like to exec this command line in objective-C in order to launch an app from another : open -n myApp.app --args arg1 arg2 I managed to do it without arguments with : NSFileManager *fileMgr = [NSFileManager defaultManager]; NSString…
SteveTJS
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Cannot read stdout from an NSTask in release mode

I'm reading the stdout of an NSTask like so: NSPipe *outputpipe = [[NSPipe alloc] init]; NSFileHandle *output = [outputpipe fileHandleForReading]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(receivedOutputFromAlgo:)…
Artelis
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Multiple terminal commands using NSTask at once

I need to run the following command from an OSX app: dscl . -read /Users/user JPEGPhoto | tail -1 | xxd -r -p > /Users/user/Desktop/user.jpg Ive tried several things such as: func runScript(launchPath:String, scriptName:String) { let task =…
Lee Andrew
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Can't find leak in my code

I've been spending the last few hours trying to find the memory leak in my code. Here it is: NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; expression = [expression stringByTrimmingCharactersInSet: [NSCharacterSet…
ryyst
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Running script from terminal works, but does not work when invoked from Mac app

I have a script file with the following code: if [ ! -d ~/Remote/username/projects ] then sshfs -C -p 22 user@remotecomputer.com:/home/username ~/Remote/username fi and when I run it from the terminal, it works, however when I…
codenamepenryn
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NSTask string encoding problem

In my program, I'm grep-ing via NSTask. For some reason, sometimes I would get no results (even though the code was apparently the same as the command run from the CLI which worked just fine), so I checked through my code and found, in Apple's…
ryyst
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How to open a document using an application launched via NSTask?

I've grown tired of the built-in open Mac OS X command, mostly because it runs programs with your actual user ID instead of the effective user ID; this results in the fact sudo open Foo opens Foo with its associated application with your account…
zneak
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Issue getting NSTask and SMJobSubmit to run properly

As far as I can tell, this code should be running my script with elevated permission, but the NSTask doesn't seem to ever actually launch. I'm relatively new to Objective-C and Cocoa so I'm probably missing something simple here but either way I'm…
Sam W
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NSTask a shell script with root access without asking for password

I have a script that I am running from within a Cocoa application via NSTask. The script is using rsync to backup everything in the /Users folder to a server. The problem that I am running into is that when you run the program as user "a" the script…
Sam W
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