--- Jose Alberto Fernandez <[EMAIL PROTECTED]> wrote:
> Not want to be pedantic, but al least in UNIX shell ${foo} gives an
> error if not defined. One needs to use ${foo:-} to get the empty string.
Which Unix shell, where? That's never been my experience. But just to be
doubly-doubly-extra sure, I've just run:
$ echo ${foo} #I even included the superfluous curly-braces :)
on Solaris, AIX, and Linux, and they all returned just an empty string.
Diane
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