added parallel proccessing of files

src/main.rs

@@ -12,6 +12,7 @@ mod extractors;
     // Extensions
 // }
 use std::{path::Path, fs};
+use rayon::prelude::*;
 use extractors::{
     extract_zip,
     extract_rar,
@@ -43,10 +44,16 @@ fn main() {
 fn run() -> i32 {
     let args: Vec<_> = std::env::args().collect();
     if args.len() < 2 {
-        println!("Usage: {} <filename>", args[0]);
+        println!("Usage: {} <filename1> [<filename2> ...]", args[0]);
         return 1;
     }
-    let fname = std::path::Path::new(&*args[1]);
+
+    // Collect all input file paths from command line arguments
+    let file_paths: Vec<_> = args.iter().skip(1).collect();
+
+    // Use Rayon to parallelize the extraction process
+    let result = file_paths.par_iter().map(|file_path| {
+        let fname = std::path::Path::new(file_path);
         if let Some(extension) = fname.extension().and_then(|s| s.to_str()) {
             match extension {
                 "zip" => {
@@ -262,9 +269,16 @@ fn run() -> i32 {
                     return 1;
                 }
             }
-        return 0;
-    }
-
-    println!("Unknown file format");
+        } else {
+            println!("Unknown file format: {:?}", file_path);
             return 1;
         }
+        0
+    }).reduce(|| 0, |a, b| a + b);
+
+    if result == 0 {
+        0
+    } else {
+        1
+    }
+}