Flatten

Flatten scans the file hirarchy in the current folder and shows all files as a continous list.

.
├── a
│   ├── a.txt
│   └── c
│       └── c.txt
├── b
└── root.txt

root.txt
c.txt
a.txt

The screenshot below displays the original folder on the left, and result of the Flatten action on the right.