Re: mhshow questions

>In a shell (including all its subshells) $$ expands to the same thing.
>It neither is, nor has ever been, "the pid of the current sh process",
>unless that process happens to be the top level shell environment.
>Once a shell starts, $$ is a constant throughout all code that shell
>runs (the only way to get a different $$ is explicitly (incl via #!)
>invoke a new shell).

Fair enough!  That's one of those corner cases I wasn't quite aware of
the rules of; like I said, I didn't test that.

>ps: xv however is kind of dated!    It must be, as I still use it as well,
>and I am very dated.

Ha!  Tell me about it.  And last time I used xv, it didn't even support
JPEGs.  I just wanted to pick some kind of image viewer that others
might have heard of.

--Ken