pxrr(1) on Linux
The text 6d48f380d237, as Debian 10 (Buster) shipped it.
This will reroot (or unroot) a tree file and produce a newick.
Flags it lists
-
--help -
--outf -
--outgroups -
--silent -
--treef -
--unroot -
--version -
-V -
-g -
-h -
-o -
-s -
-t -
-u