In article <458.7517T170T2264@ibm.net> you wrote:
> What is '$-'?

>From sh(1):
       - (Hyphen)
              Expands to the current option flags (the single-
              letter option names concatenated into a string) as
              specified on invocation, by the set builtin com-
              mand, or implicitly by the shell.

 - Hubert
-- 
Hubert Feyrer <hubert.feyrer@rz.uni-regensburg.de>