Re: [PATCH] var.c: check for valid variable name before printing in "export -p"

[Jilles Tjoelker <jilles@xxxxxxxx>]

On Sun, Feb 26, 2012 at 01:31:55AM +1100, Herbert Xu wrote:
> On Sat, Feb 25, 2012 at 03:30:04PM +0100, Jilles Tjoelker wrote:

> > Most shells pass the environment variable through, such as bash,
> > zsh, ksh93 and most ash derivatives. However, the original Bourne
> > shell and pdksh/mksh do not.

> Do you know of any genuine uses of such environment variables?

No, but I know that I do not know. I recommend noting the (small)
potential for breakage in the changelog. In a large body of software,
subtle features are often depended on somewhere, be it inadvertently.

-- 
Jilles Tjoelker
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