Such command exists:
(picard2) zas@Ifrit4 ~/src/picard_zas $ python tagger.py -h
usage: tagger.py [-h] [-c CONFIG_FILE] [-d] [-N] [-v] [-V] [FILE [FILE ...]]
positional arguments:
FILE
optional arguments:
-h, --help show this help message and exit
-c CONFIG_FILE, --config-file CONFIG_FILE
location of the configuration file
-d, --debug enable debug-level logging
-N, --no-restore do not restore positions and/or sizes
-v, --version display version information and exit
-V, --long-version display long version information and exit
If one of the filenames begins with a hyphen, use – to separate the options
from the filenames.
Closing as this basically duplicates of
PICARD-1216