Objective-C（cocoa）运行shell脚本，得到返回值

NSArray*Array = [[NSArray alloc] init];

Array = [NSBundle pathsForResourcesOfType:@"sh" inDirectory:[[NSBundle mainBundle]resourcePath]];

NSLog(@"%@", Array);

NSString* scriptPath = [[NSBundle mainBundle] pathForResource:@"hello" ofType:@"sh"];

NSLog(@"%@", scriptPath);

if(scriptPath){

NSArray* theArguments = [NSArray arrayWithObjects: @"/bin/sh", scriptPath, theName,nil];

NSTask* scriptTask = [[NSTask alloc] init];

NSPipe *pipe;

pipe = [NSPipe pipe];

[scriptTask setStandardOutput: pipe];

[scriptTask setStandardError: pipe];

NSFileHandle *file;

file = [pipe fileHandleForReading];

[scriptTask setLaunchPath: [theArguments objectAtIndex:0]];

[scriptTask setArguments: [theArguments subarrayWithRange: NSMakeRange (1,([theArguments count] - 1))]];

[scriptTask launch];

NSData *data;

data = [file readDataToEndOfFile];

NSString *string;

string = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];

NSLog (@"got\n%@", string);

} else {

NSLog(@"That dosn't exist");

}