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ref:
user@localhost ~> pypy mkdtboimg.py
usage: mkdtboimg.py [-h] {create,cfg_create,dump,help} ...
mkdtboimg.py: error: too few arguments
user@localhost ~ [2]> pypy mkdtboimg.py -h
usage: mkdtboimg.py [-h] {create,cfg_create,dump,help} ...
optional arguments:
-h, --help show this help message and exit
subcommand:
Valid subcommands
{create,cfg_create,dump,help}
user@localhost ~> pypy
Python 2.7.12 (5.6.0+dfsg-4, Nov 20 2016, 10:45:22)
[PyPy 5.6.0 with GCC 6.2.0 20161109] on linux2
Type "help", "copyright", "credits" or "license" for more information.