From c56cdc37fcf840e8699719a427cd54a89bd6b8ca Mon Sep 17 00:00:00 2001
From: Ada Werefox <ada.werefox@tutanota.com>
Date: Sat, 11 Mar 2023 22:34:45 +0000
Subject: [PATCH] Up to 12.4

---
 .gitignore  |  1 +
 Cargo.lock  |  7 +++++++
 poem.txt    |  9 +++++++++
 src/lib.rs  | 28 ++++++++++++++++++++++++++++
 src/main.rs | 22 ++++++++++++++++++++--
 5 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 poem.txt
 create mode 100644 src/lib.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..1ec6ded
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "minigrep"
+version = "0.1.0"
diff --git a/poem.txt b/poem.txt
new file mode 100644
index 0000000..3a260bf
--- /dev/null
+++ b/poem.txt
@@ -0,0 +1,9 @@
+I'm nobody! Who are you?
+Are you nobody, too?
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
+
+How dreary to be somebody!
+How public, like a frog
+To tell your name the livelong day
+To an admiring bog!
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..84dd812
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,28 @@
+use std::error::Error;
+use std::fs;
+
+pub struct Config {
+    pub query: String,
+    pub file_path: String,
+}
+
+impl Config {
+    pub fn build(args: &[String]) -> Result<Config, &'static str> {
+        if args.len() < 3 {
+            return Err("not enough arguments");
+        }
+
+        let query = args[1].clone();
+        let file_path = args[2].clone();
+
+        Ok(Config { query, file_path })
+    }
+}
+
+pub fn run(config: Config) -> Result<(), Box<dyn Error>> {
+    let contents = fs::read_to_string(config.file_path)?;
+
+    println!("With text:\n{}", contents);
+
+    Ok(())
+}
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..bb73f0d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,21 @@
+use std::env;
+use std::process;
+
+use minigrep::Config;
+
 fn main() {
-    println!("Hello, world!");
-}
+    let args: Vec<String> = env::args().collect();
+
+    let config = Config::build(&args).unwrap_or_else(|err| {
+        println!("Problem parsing arguments: {err}");
+        process::exit(1);
+    });
+
+    println!("Searching for {}", config.query);
+    println!("In file {}", config.file_path);
+
+    if let Err(e) = minigrep::run(config) {
+        println!("Application error: {e}");
+        process::exit(1);
+    }
+}
\ No newline at end of file