Something

#!/bin/sh

# This script runs Neverwinter Nights from the current directory

export SDL_MOUSE_RELATIVE=0
export SDL_VIDEO_X11_DGAMOUSE=0

# If you do not wish to use the SDL library included in the package, remove
# ./lib from LD_LIBRARY_PATH
export LD_LIBRARY_PATH=./lib:./miles:$LD_LIBRARY_PATH

./nwmain $@