#!/bin/sh
#
# Rename SM's external symbols with $prefix (default: sm_).
# You specify one file and the answer is put on the standard output
#
prefix="sm_"
while [ "$1" != "" ]; do
	case $1 in
	  -p*)
		prefix=`echo $1 | colrm 1 2`
		if [ "$prefix" = "" ]; then
			shift; prefix=$1
			if [ "$prefix" = "" ]; then
				echo "You need a prefix with -p"
				exit 1
			fi
		fi
		shift;;
	  -*)
		syntax="Usage: `basename $0` [ -pprefix ] file"
		shift;;
	  *)
		break
	esac
done
if [ "$syntax" != "" ]; then
	echo $syntax
	exit 1
fi
if [ "$1" = "" -o "$2" != "" ]; then
	echo "You must specify exactly one file to convert"
	exit 1
fi

for w in \
	angle axis box conn contour ctype curs defvar defimage delimage dot \
	draw draw_point erase errorbar expand format filetype gflush hardcopy \
	histogram label line identification device grelocate grid levels \
	limits location ltype lweight minmax notation plotsym points ptype \
	putlabel readimage redraw relocate shade ticksize alpha graphics \
	window xlabel ylabel interrupt suspend verbose toscreen \
	; do
	command="$command -e s/\<$w\>/${prefix}$w/"
done
sed $command $1