diff --git a/src/main.rs b/src/main.rs
index 148fbbd..9ba9453 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,20 +8,6 @@ type AssetID=u64;
 type AssetIDFileMap=Vec<(AssetID,std::path::PathBuf)>;
 const CONCURRENT_REQUESTS:usize=8;
 
-/// Parse a single key-value pair
-fn parse_key_val<T,U>(s:&str)->AResult<(T,U)>
-where
-	T:std::str::FromStr,
-	T::Err:std::error::Error+Send+Sync+'static,
-	U:std::str::FromStr,
-	U::Err:std::error::Error+Send+Sync+'static,
-{
-	let pos=s
-		.find('=')
-		.ok_or_else(||anyhow::Error::msg(format!("invalid KEY=value: no `=` found in `{s}`")))?;
-	Ok((s[..pos].parse()?,s[pos+1..].parse()?))
-}
-
 #[derive(Parser)]
 #[command(author,version,about,long_about=None)]
 #[command(propagate_version = true)]
@@ -36,8 +22,8 @@ struct Cli{
 	#[arg(long)]
 	cookie_file:Option<std::path::PathBuf>,
 
-	#[arg(long,value_parser=parse_key_val::<AssetID,std::path::PathBuf>)]
-	asset_id:Option<(AssetID,std::path::PathBuf)>,
+	#[arg(long)]
+	asset_id:Option<AssetID>,
 
 	#[arg(short,long)]
 	input:Option<std::path::PathBuf>,
@@ -85,8 +71,8 @@ async fn main()->AResult<()>{
 	};
 
 	match cli.command{
-		Commands::Download=>download_list(cookie.unwrap(),vec![cli.asset_id.unwrap()]).await,
-		Commands::Upload=>upload_list(cookie.unwrap(),cli.group,vec![cli.asset_id.unwrap()]).await,
+		Commands::Download=>download_list(cookie.unwrap(),vec![(cli.asset_id.unwrap(),cli.output.unwrap())]).await,
+		Commands::Upload=>upload_list(cookie.unwrap(),cli.group,vec![(cli.asset_id.unwrap(),cli.output.unwrap())]).await,
 		Commands::Compile=>compile(cli.input.unwrap(),cli.output.unwrap()),
 		Commands::Decompile=>decompile(cli.input.unwrap(),cli.output.unwrap()),
 	}