init commit.

src/main.rs

@@ -0,0 +1,39 @@
+use std::fs;
+use std::io;
+use std::path::{Path, PathBuf};
+use std::process::Command;
+
+fn process_compressed_files(path: &Path) -> io::Result<()> {
+    if path.is_dir() {
+        for entry in fs::read_dir(path)? {
+            let entry_path = entry?.path();
+            process_compressed_files(&entry_path)?;
+        }
+    } else {
+        if path.extension() == Some(std::ffi::OsStr::new("rar"))
+            || path.extension() == Some(std::ffi::OsStr::new("zip")) {
+            let output = Command::new("unar")
+                .arg(path)
+                .output();
+
+            match output {
+                Ok(result) => {
+                    if !result.status.success() {
+                        eprintln!("Error processing compressed file {:?}: {}", path, String::from_utf8_lossy(&result.stderr));
+                    }
+                }
+                Err(e) => {
+                    eprintln!("Failed to execute unar for {:?}: {}", path, e);
+                }
+            }
+        }
+    }
+
+    Ok(())
+}
+
+fn main() -> io::Result<()> {
+    let start_path = PathBuf::from(".");
+    process_compressed_files(&start_path)?;
+    Ok(())
+}