Add basic CLI argument parsing using std::env::args

1 files changed, 13 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index e7a11a9..b8204dd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,15 @@
+use std::env;
+
 fn main() {
-    println!("Hello, world!");
+    let args: Vec<String> = env::args().collect();
+    if args.len() < 2 {
+        eprintln!("Usage: {} <RSS_FEED_URL> [OUTPUT_DIR]", args[0]);
+        std::process::exit(1);
+    }
+
+    let feed_url = &args[1];
+    let output_dir = if args.len() > 2 { &args[2] } else { "." };
+
+    println!("Feed URL: {}", feed_url);
+    println!("Output directory: {}", output_dir);
 }