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下面的代码工作正常,直到我升级到OSX Lion。它调用一个外部命令并将输出保存到一个NSString中。NSTask检索外部命令的输出在Lion上停止woking
我不知道为什么它停止工作。有任何想法吗?
-(NSString *) rawResponse{
NSTask *task = [[NSTask alloc] init];
[task setLaunchPath:@"/usr/sbin/scselect"];
NSPipe *pipe = [NSPipe pipe];
[task setStandardError:pipe];
[task launch];
NSData *data = [[pipe fileHandleForReading] readDataToEndOfFile];
[task waitUntilExit];
[task release];
NSString *result = [[[NSString alloc] initWithData:data
encoding:NSUTF8StringEncoding] autorelease];
NSLog(@"The returned value is: %@", result);
return result;
}