From 892fd43b53f922f25ad044975f43461ddc7d1230 Mon Sep 17 00:00:00 2001
From: Ian Rettig <irettig@misoenergy.org>
Date: Fri, 6 Jun 2025 12:18:53 -0400
Subject: [PATCH] Feat: Use clap for argument parsing.

---
 src/main.rs | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 1f0f546..634f087 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,16 +1,14 @@
+use clap::Parser;
+
+// Search for a pattern in a file and display the lines that contain it.
+#[derive(Parser)]
 struct Cli {
     pattern: String,
     path: std::path::PathBuf,
 }
 
 fn main() {
-    let pattern = std::env::args().nth(1).expect("no pattern given.");
-    let path = std::env::args().nth(2).expect("no path given.");
-
-    let args = Cli {
-        pattern,
-        path: std::path::PathBuf::from(path),
-    };
+    let args = Cli::parse();
 
     println!("pattern: {:?}, path: {:?}", args.pattern, args.path)
 }