h5totxt(1) on Linux
The text 4ee2fe22a8f8, as Debian 3.1 (Sarge) shipped it.
generate comma-delimited text from 2d slices of HDF5 files
Flags it lists
-
-. -
-0 -
-T -
-V -
-d -
-h -
-o -
-s -
-t -
-v -
-x -
-y -
-z