Re: [PATCH] Add shell-quasiquote.

[Eli Zaretskii]

> From: Random832 <address@hidden>
> Date: Wed, 21 Oct 2015 15:50:32 -0400
> 
> Eli Zaretskii <address@hidden> writes:
> > Sorry, you lost me.  If it's not Emacs who will interpret the command,
> > then it must be some real shell.  So are you talking about forcing
> > Emacs to run /bin/sh and nothing else?  If so, you can simply bind
> > shell-file-name to that (and maybe also bind shell-command-switch
> > accordingly).  Or am I (again) missing something?
> 
> /bin/sh might not be a POSIX shell. on Solaris you need
> /usr/xpg4/bin/sh. And you might need environment variables set such as
> POSIXLY_CORRECT or PATH to get POSIX behavior from all utilities.

OK, but that still boils down to binding some more variables.  If we
want to help users with these factoids, we could have a small database
of the known Posix shells and their requirements.