On 4/10/21 10:30 AM, Grant Taylor wrote:
> Why use "$+1"?  I would have thought to use "$#" instead.

I found the answer to my own question.

man zshexpn

    ${+name}
       If name is the name of a set parameter `1' is substituted, 
otherwise `0' is substituted.

This also avoids ticking the number of parameters bug introduced by $#.

I always end up learning something from or as a direct result of reading 
messages from this list.  :-)



-- 
Grant. . . .
unix || die