Parameter help displays help on the framework's parameters.
The parameter accepts an optional argument value:
-
if present, the argument value is interpreted as a parameter name.
Name guessing works as well (so for example
--help=rand displays help on the parameter
random).
-
if the parameter name is unknown or ambiguous, an error is reported,
-
if the argument value is absent, a summary of all framework's parameter
is displayed.
An optional parameter name string.
-
--help[=<parameter
name>]
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