Dcli is a library that is intened to help with building command line tools in D.
Full API docs available here
ProgramOptions (docs)
Handles program options which are arguments passed with a leading -
or --
and followed by a value
- Input validation
- Customize seperators for associative array args
- Supports environment variables
- Supports default values
- Supports custom types that have a constructor that is called with a string
ProgramCommands (docs)
Provides a command handling and definitino framework. Allos you define a set of commands that can be accepted on the command line, and also invokes any given handlers for activated commands. Also integrated with ProgramOptions
.
// install.d
void commandHandler(T)(T commands) {
writeln(commands.install); // prints true
}
// main.d
static import install, build;
void main(string[] args) {
auto commands = ProgramCommands!(
Command!"build".handler!(build.commandHandler)
Command!"install".handler!(install.commandHandler)
)();
commands.parse(args);
commands.executeHandlers();
}
// Run it
$ ./program install
$ >> true