Added CLI options

examples/wave-deinter.rs

@@ -4,7 +4,41 @@
 //! This program demonstrats combining several wave files into a single
 //! polyphonic wave file.
 
-fn main() -> std::io::Result<()> {
+extern crate clap;
+
+use std::io;
+use clap::{Arg, App};
+
+fn main() -> io::Result<()> {
+
+    let matches = App::new("wave-deinter")
+        .version("0.1")
+        .author("Jamie Hardt")
+        .about("Extract each channel of a polyphonic wave file as a new monoaural wave file.")
+        .arg(Arg::with_name("OUTPUT")
+            .long("output")
+            .short("o")
+            .help("Output file basename. If absent, will be the basename of INPUT.")
+        )
+        .arg(Arg::with_name("numeric_names")
+            .long("numeric")    
+            .short("n")
+            .help("Use numeric channel names \"01\" \"02\" etc.")
+            .takes_value(false)
+        )
+        .arg(Arg::with_name("channel_delimiter")
+            .long("delim")
+            .short("d")
+            .help("Channel label delimiter.")
+            .default_value(".")
+        )
+        .arg(Arg::with_name("INPUT")
+            .help("Input wave file")
+            .required(true)
+        )
+        .get_matches();
+
+    println!("Command line opts: {:?}", matches);
 
     Ok(())
 }