Improved error handling

src/main.rs

@@ -20,7 +20,13 @@ fn main() {
 }
 
 fn process_file(path: &str, mode: &Mode) {
-	let mut content = fs::read_to_string(path).expect("could not read file");
+	let mut content = match fs::read_to_string(path) {
+		Ok(content) => { content },
+		Err(error) => {
+			println!("\x1B[1m{}\x1B[0m: {}", path, error);
+			return;
+		}
+	};
 
 	if ends_with_newline(&content) {
 		match mode {