Re: alias hygiene

[Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>]

Ray Andrews wrote on Sat, 17 Feb 2018 07:20 -0800:
> Thanks.  There's a lot of homework in your post, I'll get on it. For now 
> I take it that one can legitimately have an alias definition conditional 
> on some test, at least in theory,

Yes.  Example:

case $OSNAME in
  (linux*) alias ls='ls --color';;
  (freebsd*) alias ls='ls -G';;
esac

> however much the alias itself could 
> stand improvement.  The hidden danger of course is that one might do 
> something that seems to work at the time but that is fundamentally 
> flawed and liable to blow up later.

Yes.