init commit.

.gitignore

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+/target

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/unzip-all.iml" filepath="$PROJECT_DIR$/.idea/unzip-all.iml" />
+    </modules>
+  </component>
+</project>

.idea/unzip-all.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="EMPTY_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "unzip-all"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "unzip-all"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

src/main.rs

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+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(())
+}