print file content

src/main.rs

@@ -1,3 +1,23 @@
+use std::env;
+use std::fs;
+use std::io::{stdin, stdout, BufReader, Read};
+
 fn main() {
-    println!("Hello, world!");
+    let file_name = match env::args().nth(1){
+        None => {
+            println!("Usage: rbfckr <filename>");
+            return;
+        }
+        Some(file_name) => file_name,
+    };
+
+    let bf_code = match fs::read_to_string(file_name) {
+        Ok(bf_code) => bf_code,
+        Err(e) => {
+            println!("Error reading file: {}", e);
+            return;
+        }
+    };
+
+    println!("{}", bf_code);
 }