There is also tree --fromfile e.g. echo a/b1 a/b2/c | xargs -n1 | tree --fromfile . └── a ├── b1 └── b2 └── c 2 directories

There is also tree --fromfile e.g. echo a/b1 a/b2/c | xargs -n1 | tree --fromfile . └── a ├── b1 └── b2 └── c 2 directories, 2 files