Add data on Linux system calls.

    Arguments shall be *.tbl files from Linux x86 source code,
    or output from grep.

    Delete the old database before adding if necessary.

def add(context, filenames):
    """Add data on Linux system calls.

    Arguments shall be *.tbl files from Linux x86 source code,
    or output from grep.

    Delete the old database before adding if necessary.
    """
    logging.info(_('Current Mode: Add Linux data'))
    context.obj['database'].add_data(filenames)
    sys.exit(0)