CLI arguments or playlists/renames

src/main.rs

@@ -1,10 +1,23 @@
 use std::fs::File;
 use std::io::{BufRead, BufReader, Result};
 use std::collections::HashMap;
+use std::env;
 use std::fs;
+use std::process;
 
 fn main() -> Result<()> {
-    let file = File::open("beets_mv3u_renames")?;
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() < 3 {
+        println!("At least two arguments are required");
+        process::exit(1);
+    }
+
+    let rename_file = &args[1];
+    let playlist_file = &args[2];
+    println!("{:?}", rename_file);
+
+    let file = File::open(rename_file)?;
     let mut renames = HashMap::new();
     for line in BufReader::new(file).lines() {
         let line = line?;
@@ -14,7 +27,7 @@ fn main() -> Result<()> {
     
     let mut outputs = Vec::new();
 
-    let pls_file = File::open("playlist.m3u")?;
+    let pls_file = File::open(playlist_file)?;
     for entry in BufReader::new(pls_file).lines() {
         let entry = entry?;
         let new = renames.get(&entry).unwrap_or(&entry).to_string();