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+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck 0.5.0",
+ "indexmap",
+ "prettyplease",
+ "syn 2.0.117",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
+ "bitflags 2.11.1",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..bfb693c
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "convert_ebook_directory"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+structopt = "0.3.25"
+tempfile = "3.27.0"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..acc3462
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,37 @@
+use std::fs;
+use std::path::{Path, PathBuf};
+use std::process::Command;
+use structopt::StructOpt;
+
+#[derive(StructOpt)]
+struct Opts {
+    #[structopt(parse(from_os_str), required = true)]
+    directory: PathBuf,
+}
+fn convert_epub_to_mobi(directory: &Path) {
+    if let Err(e) = fs::read_dir(directory) {
+        eprintln!("Error reading directory: {}", e);
+        return;
+    }
+    for entry in fs::read_dir(directory).unwrap() {
+        let entry = entry.unwrap();
+        let path = entry.path();
+        if path.is_dir() {
+            convert_epub_to_mobi(&path);
+        } else if let Some(ext) = path.extension() {
+            if ext.to_str() == Some("epub") {
+                let input_path = path.to_str().unwrap();
+                let output_path = path.with_extension("mobi");
+                println!("Converting {} to {}", input_path, output_path.display());
+                Command::new("ebook-convert")
+                    .args(&[input_path, output_path.to_str().unwrap()])
+                    .status()
+                    .unwrap();
+            }
+        }
+    }
+}
+fn main() {
+    let opts = Opts::from_args();
+    convert_epub_to_mobi(&opts.directory);
+}