Search path and another bug in internal routines.

[John W. Eaton]

On 13-Nov-2012, Daniel J Sebald wrote:

| This post started out as "Is there a simple way of re-directing commands 
| for gnuplot?"

Yes, use this form of the drawnow command:

  drawnow (TERM, FILE, MONO, DEBUG_FILE)

for example:

  sombrero ();
  drawnow ("x11", "/dev/null", false, "foo.gp");

jwe