Call script shell with Qt

[zeeb100]

Hi,
why this code doesn't work ???

QStringList arguments;
    arguments << "-c" << "who|cut -d' ' -f1|sort -u";
    QProcess *exec;
    exec =new QProcess(this);
    exec->start("/bin/sh", arguments);
    ui->label->setText(exec->readLine(10));

QStringList arguments;
    arguments << "-c" << "who|cut -d' ' -f1|sort -u";
    QProcess *exec;
    exec =new QProcess(this);
    exec->start("/bin/sh", arguments);
    ui->label->setText(exec->readLine(10));

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