digitaglinktree(1) on Linux
The text 437371e645d4, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
Export tag structure of photos in digikam to the filesystem.
Flags it lists
-
-A -
-C -
-H -
-a -
-d -
-f -
-r -
-v