diff --git a/launcher/src/main.rs b/launcher/src/main.rs
index d6bca29..53a80be 100644
--- a/launcher/src/main.rs
+++ b/launcher/src/main.rs
@@ -1,4 +1,7 @@
-use suppaftp::{NativeTlsFtpStream, NativeTlsConnector};
+use std::fs::File;
+use std::io::{Read, Write};
+
+use suppaftp::{FtpError, NativeTlsConnector, NativeTlsFtpStream};
 use suppaftp::native_tls::{Certificate, TlsConnector, TlsStream};
 
 fn main() {
@@ -10,6 +13,13 @@ fn main() {
     let mut ftp_stream = ftp_stream.into_secure(NativeTlsConnector::from(TlsConnector::builder().add_root_certificate(cert).build().unwrap()), "gitea.piwalker.net").unwrap();
     assert!(ftp_stream.login("anonymous", "anonymous@").is_ok());
 
+    let mut file = File::create("test.txt").unwrap();
+    let mut buf = Vec::new();
+    ftp_stream.retr("modpacks.json", |stream| {
+        stream.read_to_end(&mut buf).map_err(|e| FtpError::ConnectionError(e))
+    }).unwrap();
+    file.write_all(buf.as_slice()).unwrap();
+
     assert!(ftp_stream.quit().is_ok());
 
 }