Version imprimable du sujet

    @try
    {
        NSTask *t = [[NSTask alloc] init];
        ...
    }
    @catch (NSException *e)
    {
        NSLog(@"Expection occurred %@", [e reason]);        
    }

    import Foundation
    
    
    let filePath = "/usr/local"

    // Création de la tâche en Swift 3.x
    let task = Process()
    
    // Configuration de la tâche
    task.launchPath = "/bin/ls"
    task.arguments = ["-laF@" , filePath]
    
    // Tuyau de sortie
        let pipe = Pipe()
    task.standardOutput = pipe
    
    // Exécution de la tâche
    task.launch()
    
    // Récupération du résultat
    let data = pipe.fileHandleForReading.readDataToEndOfFile()
    let output = String(data: data, encoding: String.Encoding.utf8)
    
    print(output!)

    // import Cocoa // pas certain que ce soit utile
    import Foundation
    
    
    let filePath = "/var/log/system.log"
    ""
    // Création de la tâche en Swift 3.x
    let task = Process()
    
    // Configuration de la tâche
    task.launchPath = "/bin/rm"
    task.arguments = ["-f" , filePath]
    
    // Tuyau de sortie
    let pipe = Pipe()
    task.standardOutput = pipe
    
    // Exécution de la tâche
    task.launch()
    
    task.waitUntilExit()
    
    // Récupération du résultat
    let data = pipe.fileHandleForReading.readDataToEndOfFile()
    let output = String(data: data, encoding: String.Encoding.utf8)
    
    print ("Termination status:  \(task.terminationStatus)")
    print("Output: \(output!)")

+ (NSString *)executeGetMonitor:(NSArray*)arguments {
    NSString * strResult=nil;
    NSPipe * thePipe=[[NSPipe alloc] init];
    NSTask * theTask=[[NSTask alloc] init];
    
    NSString * path = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"highmonitor"];
    
    [theTask setLaunchPath: path];
    
    [theTask setArguments: arguments];
    [theTask setStandardOutput: thePipe];
    [theTask launch];
    [theTask waitUntilExit];
    if ([theTask terminationStatus] == 0) {
        strResult = [[NSString alloc] initWithData:[[thePipe fileHandleForReading] readDataToEndOfFile] encoding:NSUTF8StringEncoding];
    } else {
        strResult = [[NSString alloc] initWithFormat:@"Erreur (%d)", [theTask terminationStatus]];
    }
    [theTask release];
    [thePipe release];
    return strResult;
}