>>>>> "Angus" == Angus Leeming <[EMAIL PROTECTED]> writes:
Angus> I thnk that adding a couple of ? should do that. // A valid
Angus> environment variable is defined as //
Angus> $\{?[A-Za-z_][A-Za-z_0-9]*\}? Do you agree?
Does this really make sure that the {} match? It is probably good
enough, though.
Angus> This leaves the user with the onus not to write
Angus> $HOMEdocs/myfile.ps Acceptable?
Yes, this is how shell expansion works.
JMarc
