1 files changed, 40 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-07/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-07/src/main.rs
new file mode 100644
index 000000000..ff6c29420
--- /dev/null
+++ b/src/doc/book/listings/ch12-an-io-project/listing-12-07/src/main.rs
@@ -0,0 +1,40 @@
+use std::env;
+use std::fs;
+
+// ANCHOR: here
+fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    let config = Config::new(&args);
+    // ANCHOR_END: here
+
+    println!("Searching for {}", config.query);
+    println!("In file {}", config.file_path);
+
+    let contents = fs::read_to_string(config.file_path)
+        .expect("Should have been able to read the file");
+
+    println!("With text:\n{contents}");
+    // ANCHOR: here
+
+    // --snip--
+}
+
+// --snip--
+
+// ANCHOR_END: here
+struct Config {
+    query: String,
+    file_path: String,
+}
+
+// ANCHOR: here
+impl Config {
+    fn new(args: &[String]) -> Config {
+        let query = args[1].clone();
+        let file_path = args[2].clone();
+
+        Config { query, file_path }
+    }
+}
+// ANCHOR_END: here