Re: distinguishing shells

[Bill Trost <trost@indurain.cse.ogi.edu>]

Paul Haahr writes:
    what do you mean distinguish?

I mean I want to be able to write the following in my script:

  magic-stuff-I'm-asking-for || {
	echo Oops!  This is the Bourne shell!  I will feed myself to es.
	exec es $0 ${1+"$@"}
  }