diff --git a/schala-repl/src/lib.rs b/schala-repl/src/lib.rs
index 8c8410e..96cb101 100644
--- a/schala-repl/src/lib.rs
+++ b/schala-repl/src/lib.rs
@@ -1,8 +1,5 @@
 #![feature(box_patterns, box_syntax, proc_macro_hygiene, decl_macro)]
 #![feature(plugin)]
-extern crate colored;
-extern crate itertools;
-extern crate linefeed;
 
 #[macro_use]
 extern crate serde_derive;
@@ -13,7 +10,7 @@ extern crate serde_json;
 use std::collections::HashSet;
 use std::fs::File;
 use std::io::Read;
-use std::path::Path;
+use std::path::PathBuf;
 use std::process::exit;
 
 mod language;
@@ -32,16 +29,18 @@ pub fn start_repl(langs: Vec<Box<dyn ProgrammingLanguageInterface>>) {
   repl.run_repl();
 }
 
-//TODO should really expect a list of paths
-pub fn run_noninteractive(filename: &str, languages: Vec<Box<dyn ProgrammingLanguageInterface>>) {
-    let path = Path::new(filename);
-    let ext = path
+pub fn run_noninteractive(filenames: Vec<PathBuf>, languages: Vec<Box<dyn ProgrammingLanguageInterface>>) {
+    // for now, ony do something with the first filename
+
+    let filename = &filenames[0];
+    let ext = filename
         .extension()
         .and_then(|e| e.to_str())
         .unwrap_or_else(|| {
-            println!("Source file lacks extension");
+            println!("Source file `{}` has no extension.", filename.display());
             exit(1);
         });
+
     let mut language = Box::new(
         languages
             .into_iter()
@@ -52,7 +51,7 @@ pub fn run_noninteractive(filename: &str, languages: Vec<Box<dyn ProgrammingLang
             }),
     );
 
-    let mut source_file = File::open(path).unwrap();
+    let mut source_file = File::open(filename).unwrap();
     let mut buffer = String::new();
     source_file.read_to_string(&mut buffer).unwrap();
 
diff --git a/src/main.rs b/src/main.rs
index 9a72ea3..c9d5b40 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,6 @@
 use schala_repl::{run_noninteractive, start_repl, ProgrammingLanguageInterface};
 
+use std::path::PathBuf;
 use std::process::exit;
 
 fn main() {
@@ -22,7 +23,8 @@ fn main() {
     if matches.free.is_empty() {
         start_repl(langs);
     } else {
-        run_noninteractive(&matches.free[0], langs);
+        let paths = matches.free.iter().map(PathBuf::from).collect();
+        run_noninteractive(paths, langs);
     }
 }