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https://github.com/clap-rs/clap
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0e0f33547a
Closes #766
39 lines
1.6 KiB
Rust
39 lines
1.6 KiB
Rust
extern crate clap;
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use clap::{App, Arg, SubCommand};
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fn main() {
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let matches = App::new("MyApp")
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.subcommand(SubCommand::with_name("ls")
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.aliases(&["list", "dir"])
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.about("Adds files to myapp")
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.version("0.1")
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.author("Kevin K.")
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.arg(Arg::with_name("input")
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.help("the file to add")
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.index(1)
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.required(true))
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)
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.get_matches();
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// You can check if a subcommand was used like normal
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if matches.is_present("add") {
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println!("'myapp add' was run.");
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}
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// You can get the independent subcommand matches (which function exactly like App matches)
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if let Some(ref matches) = matches.subcommand_matches("add") {
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// Safe to use unwrap() because of the required() option
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println!("Adding file: {}", matches.value_of("input").unwrap());
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}
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// You can also match on a subcommand's name
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match matches.subcommand_name() {
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Some("add") => println!("'myapp add' was used"),
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None => println!("No subcommand was used"),
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_ => println!("Some other subcommand was used"),
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}
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// Continued program logic goes here...
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}
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