pypyr.parser.string
put all cli input args into a single string
Takes any arbitrary input from the cli input args and concatenate into a single
string argString to initialize context.
If you have multiple sequential literal spaces right next to each other, escape these with single or double quotes.
Given a pipeline like this, arbitrarily saved as ./string-parser.yaml:
# ./string-parser.yaml
context_parser: pypyr.parser.string
steps:
- pypyr.steps.debug # prints at log level <=20
- name: pypyr.steps.echo
comment: use argString in format expression
in:
echoMe: "this came from the cli: {argString}"You can then pass any given string, including nothing, from the cli to the pipeline to initialize context:
$ pypyr string-parser --log 20
{'argString': None}
this came from the cli: None
$ pypyr string-parser arbitrary words here --log 20
{'argString': 'arbitrary words here'}
this came from the cli: arbitrary words here
$ pypyr string-parser a b c --log 20
{'argString': 'a b c'}
this came from the cli: a b c
$ pypyr string-parser "a " " b" 'c' --log 20
{'argString': 'a b c'}
this came from the cli: a b c
$ pypyr string-parser "a b b c" --log 20
{'argString': 'a b b c'}
this came from the cli: a b b c