qr_code_2.sh

$ ./qr-code green-badge generate -h

usage: qr-code green-badge generate [-h] [-v] first_name last_name birth_date [vaccinations <name>=<value> ...]

positional arguments:
  first_name            name of the vaccinated person
  last_name             surname of the vaccindate person
  birth_date            birthday of the vaccinated person in YYYY-MM-DD format
  vaccinations <name>=<value>
                        vaccination information as date=manufacturer ['pfizer', 'moderna', 'astrazeneca', 'janssen', 'sinovac']

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         show program's version number and exit