SYNOPSIS

% demo-getopt-long-subcommand -h
% demo-

Activate completion using (can be put in your bash startup file):

% complete -C demo-getopt-long-subcommand demo-getopt-long-subcommand

Test completion:

% demo-getopt-long-subcommand <tab>
% demo-getopt-long-subcommand -<tab>
% demo-getopt-long-complete --int 1 -<tab>
# and so on