project files

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "cat"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

src/main.rs

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+use std::fs;
+use std::env;
+
+fn main(){
+    let file = env::args().nth(1).unwrap_or_else(|| {
+    eprint!("Error: No file specified");
+    std::process::exit(1); 
+    });
+    match fs::read_to_string(file) {
+        Ok(contents) => {
+            // Successfully read the file
+            print!("{}", contents);
+        }
+        Err(err) => {
+            // Handle the error
+            eprint!("Error reading file: {}", err);
+            std::process::exit(1);
+        }
+    }
+}