qml-process/process.h

#include <QProcess>
#include <QVariant>

class Process : public QProcess {
  Q_OBJECT

public:
  Process(QObject *parent = 0) : QProcess(parent) {}

  Q_INVOKABLE void start(const QString &program,
                         const QVariantList &arguments) {
    QStringList args;

    // convert QVariantList from QML to QStringList for QProcess

    for (int i = 0; i < arguments.length(); i++)
      args << arguments[i].toString();

    QProcess::start(program, args);
  }

  Q_INVOKABLE QByteArray readAll() { return QProcess::readAll(); }

  Q_INVOKABLE QByteArray readAllStandardError() {
    return QProcess::readAllStandardError();
  }

  Q_INVOKABLE QByteArray readAllStandardOutput() {
    return QProcess::readAllStandardOutput();
  }

  Q_INVOKABLE QByteArray readLine() { return QProcess::readLine(); }
};