> What would be a suitable mechanism for turning it off if desired?
I'd still vote for commenting it out. It's a skeleton .bashrc file; the
user is expected to customize it. IIRC, bash-completion is handled in
this way.
I think a shell var conditional just wastes time on a conditional, both
for those that want the functionality, and those that don't. It's not
really a feature people will be toggling frequently.
> What would be a suitable mechanism for turning it off if desired?
I'd still vote for commenting it out. It's a skeleton .bashrc file; the
user is expected to customize it. IIRC, bash-completion is handled in
this way.
I think a shell var conditional just wastes time on a conditional, both
for those that want the functionality, and those that don't. It's not
really a feature people will be toggling frequently.