Minecraft asset files store in their hash and this make asset files to lose its own name and folder structure. This simple project restore asset file folder structure and name.
Execute following command to run program
./run.sh {version} {minecraft directory} {output}
./run.bat {version} {minecraft directory} {output}
Version is version number of minecraft without patch version.
Minecraft directory is directory where minecraft is installed, which is %appdata%/.minecraft in windows or ~/Library/Application Support/minecraft in mac.
Output is path to save result. If path is ends with .zip, result save as zip file. Otherwise, save to directory.