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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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NSTask data split by newline \n

I'm new to objective-C, so please forgive me if I'm missing something. But we all have to start somewhere :) I have a snippet of code I got from another open source project that executes a command and passes the result to another method. What I need…
user775171
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NSTask real-time monitoring output

I can't seem to be able to monitor the output of my NSTask command. To my understanding, NSNotificationCenter must be used. The terminal command I am attempting to run downloads a file from my secured server using various encryption methods (it…
Darth Maul
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Using awk with NSTask

How would I use this awk command: awk 'NR>1{print $1}' string-to-modify with NSTask? I already tried setting /usr/bin/awk as the launch path, 'NR>1{print $1}' as an argument, then the string to modify as another argument but all I get is…
indragie
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Run user defined command with NSTask

I would like to execute a terminal command specified by the user. For example, the user might write killall "TextEdit" or say "Hello world!" in a text field, and I want to execute that command. NSTask is the way to go, except I have two problems…
Alex
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tops command giving error when executed through NSTask

I am trying to use below tops command through NSTask: tops replace "__My_CompanyName__" with "XYZ" TryItOut.m but it is always giving below error: File replace "__My_CompanyName__" with "XYZ" does not exist When executed through terminal it works…
Devarshi
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Difference between NSThread and NSTask

This may sound like noobish question but I have tried researching these two classes and I am not 100% sure what their differences and specific purposes are. Also, is there some way I can retrieve a list of all the currently running processes much…
rolling_codes
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NSTask, NSPipe - Can't concatenate the returned string

In my Mac OS app I have NSTask calling a Python script, which then returns "connected" via NSPipe. I then read the data in my Obj-C class, and put it in a string: NSMutableData *data = [[NSMutableData alloc] init]; NSData *readData; while…
janeh
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ASIHTTPRequest and NSTask

I was trying out ASIHTTPRequest to make downloading files easier, but now I'm getting an error about the use of an undeclared identifier 'NSTask'. I thought NSTask was only for Mac and not for iOS? Doesn't the framework check this?
woutr_be
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Retrieve Trash size as an int in cocoa app

Is it possible for a cocoa app to retrieve the size of the trash as an int. Is NSTask the correct method to do this?
user1445205
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NSTask crashes when used in function

In my program I currently use NSTask 5 times, and it all works very well, but I'm tired of having to repeat so much code when it's all so similar, so I tried putting it in a function. Unfortunately it results in a crash on the line: [task launch].…
Cristian
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Objective-C, NSTask won't touch files

I have the following code (below) in my app, which simply tries to use NSTask to touch one file with the directory time/date stamp. It works just fine in an app which only accesses one directory all the time, however, it doesn't with another that…
Joe Habadas
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NSTask in Objective-C

So I'm trying to run some terminal commands from my program, and I am getting some confusing errors. Im a newer developer coming from Java, so I may be missing something. Heres the code: NSTask *task = [[NSTask alloc] init]; NSString *commitText =…
user1438586
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Objective-C: Multiple Views and Data Coming From An NSTask

So, I managed to get NSTask to read asynchronously from a program, but I did it inside the class of a UIView in my storyboard. (Not an Obj-C expert) My ideia is: I read the text from the program place it on a UITextView and then when there's more…
TCB13
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Strange issue of output via NSPipe when execute shell command using NSTask

Here is my codes. When I set myCmd=@"cd /\nls -l\n" or myCmd=@"ls -l\n", it's no problem. However, when I set myCmd=@"cd /\n", program is dead in the line if ((output =[[outPipe fileHandleForReading] availableData]) && [output length]) and there is…
Tom Jacky
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Objective-c: How to use NSPipe output the illegal command echo in a NSTask?

I have code like following, it's ok, but I have 2 question about it. 1) If I assign some illegal para to sh, for example @"ls - l", then the outString is null. That is to say, it can not capture the error warning "ls: -: No such file or…
Tom Jacky
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