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The executable suffix is unconditionally stripped off the file path so that the file name matches subcommands names without having to add the EXE suffix on different platforms.
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Example of a busybox-style multicall program
See the documentation for clap::AppSettings::Multicall for rationale.
This example omits every command except true and false, which are the most trivial to implement,
$ busybox true
? 0
$ busybox false
? 1
Note: without the links setup, we can't demonstrate the multicall behavior
But includes the --install option as an example of why it can be useful
for the main program to take arguments that aren't applet subcommands.
$ busybox --install
? failed
...
Though users must pass something:
$ busybox
? failed
busybox
USAGE:
busybox [OPTIONS] [APPLET]
OPTIONS:
-h, --help Print help information
--install <install> Install hardlinks for all subcommands in path
APPLETS:
false does nothing unsuccessfully
help Print this message or the help of the given subcommand(s)
true does nothing successfully