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Re: Bash bug?



I can't remember the title of the clasic KSH book we used in the good old days
(it was white with blue lettering if I remember right), but I
do not remember it ever saying that ENVs would be local within
a 'while' loop.  Until Linux, I never had this problem with ksh.

I don't know if that was the case though with bsh (original bourne shell)
as we never used it.




--- Jeff Vian <jvian10 charter net> wrote:

> On Mon, 2005-09-26 at 14:42 -0700, BRUCE STANLEY wrote:
> > Then this is a departure from original/standard System V
> > behaviour. Again, all System V based Unixes I have programmed
> > under did have this behaviour.
> > 
> > Anyone converting scritps (as I had to do) will run into
> > this problem/behaviour.
> > 
> BTW,  On AIX when I tried using bash I had the same effect as I did on
> Linux.  When I tried it with ksh the results were as you obviously
> expected.  The subshell for the cat command was able to modify the
> values of the variable in the parent.
> 
> 
> 
> > 
> > 
> > --- Tim Waugh <twaugh redhat com> wrote:
> > 
> > > On Mon, Sep 26, 2005 at 06:15:21AM -0700, BRUCE STANLEY wrote:
> > > 
> > > > This seems to be a Linux issue with the shells.
> > > 
> > > It is correct behaviour, and POSIX-compliant to boot.
> > > 
> > > Please see the bash FAQ, question E4.
> > > 
> > >   /usr/share/doc/bash-3.0/FAQ
> > > 
> > > Tim.
> > > */
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> 
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