Lars Gullik Bjønnes wrote:
>
> the test will be rewritten as:
>
> if test -z ; then
>
> if GNUM4 is not set or is set to empty var.
>
> imho the best way to solve is the x$GNUM != xyes trick, since that
> requires the least of the test features.
Don't use "yes", since GNUM4 is either emtpy, or contains the GNUM4 program name
("m4", "gm4", etc.).
So better is, probably,
if test x$GNUM4 = x ; then
Rob.
PS: I didn't know these problems with test and empty variables.
Thanks for pointing this out to me!
