Re: crufty mhn.default.sh stuff

[Ken Hornstein]

>> Maybe we need a new flag in mhn.defaults that says, "Delete the
>> temporary file after N seconds".  Implementing this should be
>> straightforward; just fork(), sleep(), and unlink().  N could be 10 or
>> 30 seconds.
>
>why not fork(), fork(), [exec() in child], wait(), unlink()?
>
>i.e., wait for the viewer, whatever, to exit, then unlink(), exit().
>(all while the main, parent process, goes back to its thing.)

See David's earlier email; the problem is some viewers (e.g.: xdg-open)
return immediately and launch the application in the background.  The
situation is even more complicated if you try using open(1) on MacOS X.

--Ken