June 2018 Update

Task/Empty-directory/Rust/empty-directory.rust

@@ -0,0 +1,20 @@
+use std::fs::read_dir;
+use std::error::Error;
+
+fn main() {
+    for path in std::env::args().skip(1) { // iterate over the arguments, skipping the first (which is the executable)
+        match read_dir(path.as_str()) { // try to read the directory specified
+            Ok(contents) => {
+                let len = contents.collect::<Vec<_>>().len(); // calculate the amount of items in the directory
+                if len == 0 {
+                    println!("{} is empty", path);
+                } else {
+                    println!("{} is not empty", path);
+                }
+            },
+            Err(e) => { // If the attempt failed, print the corresponding error msg
+                println!("Failed to read directory \"{}\": {}", path, e.description());
+            }
+        }
+    }
+}