A simple unpacker for the PAK archive files used by the game Arcturus and the old GRF files used by early clients of the MMORPG Ragnarok Online.
GrfUnpack.exe [options] <file> [output folder]
The PAK or GRF archive to unpack.
The path to extract files to. Defaults to ./output, relative to the
working directory.
If set, the names of the extracted files will retain their original Korean encoding.
Extract the contents of data.pak to the arcturus sub-folder.
GrfUnpack.exe data.pak arcturus
Extract the contents of pdata000.grf to the output sub-folder, using Korean file names.
GrfUnpack.exe -k pdata000.grf