based on map-tool

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "asset-tool"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.75"
+clap = { version = "4.4.2", features = ["derive"] }
+lazy-regex = "3.1.0"
+rbx_binary = "0.7.1"
+rbx_dom_weak = "2.5.0"
+rbx_reflection_database = "0.2.7"
+rbx_xml = "0.13.1"
+reqwest = "0.11.23"

src/main.rs

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+use std::io::{Read, Seek};
+use clap::{Args, Parser, Subcommand};
+use anyhow::Result as AResult;
+
+type AssetID=u64;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+#[command(propagate_version = true)]
+struct Cli {
+	#[command(subcommand)]
+	command: Commands,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+	Download(AssetIDList),
+	Upload{path:std::path::PathBuf,assetid:u64},
+}
+
+#[derive(Args)]
+struct PathBufList {
+	paths:Vec<std::path::PathBuf>
+}
+
+#[derive(Args)]
+struct AssetIDList {
+	assetids: Vec<AssetID>,
+}
+
+fn main() -> AResult<()> {
+	let cli = Cli::parse();
+	match cli.command {
+		Commands::Download(assetid_list)=>download_list(assetid_list.assetids),
+		Commands::Upload{path,assetid}=>upload_file(path,assetid),
+	}
+}
+
+fn upload_file(path:std::path::PathBuf,assetid:u64)->AResult<()>{
+	Ok(())
+}
+
+fn download_list(assetids:Vec<AssetID>)->AResult<()>{
+	Ok(())
+}