The name of the command
The name of the command
Creates a help message for a subset of options based on cond
Creates a help message for a subset of options based on cond
Expands all arguments starting with @ to the contents of the file named like each argument.
Expands all arguments starting with @ to the contents of the file named like each argument.
Messages explaining usage and options
Messages explaining usage and options
(Since version 2.10.0) Use leftOfArrow instead
(Since version 2.10.0) Use resultOfEnsuring instead
A command line for the interpreter.