Rusted PackFile Manager - CLI Tool, or RPFM-CLI for friends, is a CLI tool to manage Total War Packs, based on RPFM-Lib, as part of the RPFM Project. For instructions on how to use it... just use the --help argument.
It can be installed from cargo with cargo install rpfm_cli, or download it precompiled as part of each RPFM release here: https://github.com/Frodo45127/rpfm/releases