Adding code to print version

src/main.rs

@@ -1,15 +1,19 @@
 pub mod parser;
+pub mod version;
 
 #[tokio::main]
 async fn main() {
-    println!("clean_file");
-
     let args: Vec<String> = std::env::args().collect();
     if args.len() < 2 {
         println!("Invalid arguments provided");
         std::process::exit(-1);
     }
 
+    if version::contains_version(&args) {
+        version::print_version();
+        std::process::exit(-1);
+    }
+
     let filepath = &args[1];
     println!("Filepath: {filepath:?}");
     let prsr = parser::NumberParser {

src/version.rs

@@ -0,0 +1,20 @@
+pub fn print_version() {
+    let name = env!("CARGO_PKG_NAME");
+    let version = env!("CARGO_PKG_VERSION");
+
+    println!("{name:?} {version:?}");
+}
+
+pub fn contains_version(args: &Vec<String>) -> bool {
+    let valid_flags = vec!["-v", "--version"];
+
+    for arg in args {
+        for valid_flag in &valid_flags {
+            if valid_flag == arg {
+                return true;
+            }
+        }
+    }
+
+    false
+}