indicator-cpufreq -V (return code: 2)
Usage: indicator-cpufreq [options]
indicator-cpufreq: error: no such option: --version
indicator-cpufreq --help (return code: 0)
Usage: indicator-cpufreq [options]
Options:
-h, --help show this help message and exit
-d, --debug print the maximum debugging info (implies -vv)
-v, --verbose set error_level output to warning, info, and then debug
-f, --frequency show the frequency with text along with the icon