Skip to content
Renaud Guillard edited this page May 29, 2013 · 2 revisions

Terminology

Command line argument
A string from the console window, given to the running program by the shell. A command line argument can be a command line option or a positional argument.
Command line option
A string, prepended by a dash '-' or a double dash '--' which represents the name of a program option.
Positional argument
Also referenced as *value*. A command line argument whose interpretation depends on its position on the command line.
Switch option
An option without any arguemnt. The value type of the switch is a boolean. *True* when it appears at least once on the command line.
Single argument option
Also referenced as *argument option*. An option whose value depends on the following argument on the command line. The value type is a string.
Multi argument option
An option which accepts more than one arguments. The value type is an array of strings.
Program scope option
A program scope option is an option available in the program and its subcommand.
Subcommand scope option
A subcommand scope option is only available in a given subcommand.
---- [The program interface definition framework](https://github.com/noresources/ns-xml/wiki/program)
Clone this wiki locally