overload '-X' flag to sepcify adaptor matrix
overload '-X' flag to sepcify adaptor matrix

if the argument cannot be opened as file, interpret it as specs.

Closes: https://github.com/iem-projects/ambix/issues/1

umlaeute/ambix,umlaeute/ambix,iem-projects/ambix,iem-projects/ambix,iem-projects/ambix,umlaeute/ambix,kronihias/libambix,kronihias/libambix