Simply run like below
./blu-save <disc_path> [out_path] [key_file]
out_path defaults to a out folder in the current directory
key_file follows libaacs's setting, usually by default it looks in ~/.config/aacs
Make sure you have libbluray>=1.2.0, after that you can build blu-save with just
$ make
blu-save helps you to backup your Blu-ray discs
Copyright 2020 shironeko
This file is part of blu-save.
blu-save is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
blu-save is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with blu-save. If not, see <https://www.gnu.org/licenses/>.