for (final String value : list) {
                buf.append(value).append("\n");
            }
            return buf.toString();
        }

    }

    public void setWorkingDirectory(final File workingDirectory) {
        this.workingDirectory = workingDirectory;
    }

    public void setMaxOutputLine(final int maxOutputLine) {
        this.maxOutputLine = maxOutputLine;
    }

        this.command = command;
    }

    public void setExecutionTimeout(final long executionTimeout) {
        this.executionTimeout = executionTimeout;
    }

    public void setWorkingDirectory(final File workingDirectory) {
        this.workingDirectory = workingDirectory;
    }

    public void setCommandOutputEncoding(final String commandOutputEncoding) {