#!/bin/csh -f
#+
# west -- move the telescope west
#
# Purpose:
#	Move the telescope the given number of arcsec WEST relative to
#	its current position
#
# Usage:
#	west x
# 
# Arguments:
#	x = number of arcseconds to move WEST; negative values indicate
#	EAST movement
# 
# Exit values:
#	 0 = normal completion
#	 1 = wrong number of arguments
#
# Example:
#	1) Move the telescope west by 10 arcsec:
#		west 10
#	2) Move the telescope east by 10 arcsec:
#		west -10
#
#-
# Modification history:
#	Date unknown	RWG	Original version
#	2000-Jul-05	GDW	Added documentation
#-----------------------------------------------------------------------

# check args...
if (${#argv} != 1) then
  echo "Usage: west x"
  exit 1
endif

# negate the offset...
set x = `calc "-1*$1"`

# make the move...
en $x 0