NAME:
	rdgrab
 PURPOSE: (one line)
	Read raw binary IRTF-grabber1 format data files.
 DESCRIPTION:
 CATEGORY:
  File I/O
 CALLING SEQUENCE:
	vec=rdgrab(file)
 INPUTS:
	file - string containing the name of a file to read from
 OPTIONAL INPUT PARAMETERS:
 KEYWORD PARAMETERS:
 OUTPUTS:
	Returned is a 1-d array of values from the file.
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
	Written by Marc W. Buie, Lowell Observatory, Oct 1992