Re: bash 4.x filters out environmental variables containing a dot in the name

[Mike Frysinger]

On Tuesday 30 June 2009 07:21:12 Stephane CHAZELAS wrote:
> 2009-06-29, 10:03(-04), Chet Ramey:
> > The question is whether "tolerant" just means that the shell doesn't
> > display a warning message about the assignment, as it does when you use
> > an invalid variable name in an assignment statement, or exit with a
> > variable assignment error, or dump core with a seg fault, as in many
> > historical versions of sh. It may or may not also mean that the shell
> > passes inherited invalid variable names to child processes.
> >
> > Historical versions of sh and ksh behave like bash-4.0.
>
> ksh93 doesn't but pdksh/mksh still does.

the shells in busybox (ash/hush) as well as dash pass them along.
-mike

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