any tricks to make SHELL non blocking?

[Richard Gaskin]

Paul Dupuis wrote:

 > I don't think you can use shell as non-blocking. You could use 'open
 > process' to spawn your command line utility off as a subprocess which
 > would be non blocking, but that approach has its own over head thing
 > to work around

What additional overhead is incurred by running a process via "open 
process" vs the shell function?

-- 
  Richard Gaskin
  Fourth World Systems