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Cargo.toml

@@ -6,3 +6,6 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = "4.1.8"
+cpal = "0.15.0"
+dasp = "0.11.0"

src/main.rs

@@ -1,3 +1,27 @@
+use clap::{Command};
+
+fn get_cli() -> Command {
+	Command::new("simfonic")
+		.version("0.1.0")
+		.subcommand(
+			Command::new("info")
+				.about("Display system information")
+		)
+}
+
+fn info() -> Result<(), String> {
+	println!("Hello, world");
+	Ok(())
+}
+
 fn main() {
-	println!("Hello, world!");
+	let matches = get_cli().get_matches();
+	let result: Result<(), String> = match matches.subcommand() {
+		Some(("info", _)) => info(),
+		_ => Err("unrecognized command".to_string())
+	};
+
+	if let Err(msg) = result {
+		println!("{}", msg)
+	}
 }