Usage: butck [-v | --version] [-h | --help] [-q | --quiet]
             [-l | --log-level <trace/debug/info/warn/error>]
             [-np | --no-progress] [-D | --display-boundaries]

             [-s | --storage <path>] [-p | --policy <policy_name>]
             [-H | --chunk-hash <blake3/sha256>]
             [-o | --output-dir <output>] [-O | --output-file <file>]
             [-r | --recursive] [-R | --register <name>]
             [-S | --stream <size_byte>] [-m | --memmap-read]

             [+p | +param key=value]

Subcommands:
  write <file>           Write a file and output the index file
  write <file> -R <name> Then, register the index
  build <index/name>     Input an index file and build the file from the storage
  lspolicy               List available policies
                         (`--stream 0` to display stream policies)
  lspolicy-all           List all policies (including streaming)

Butchunker 0.1.0
Copyright (c) 2026 Weicao-CatilGrass