#! /bin/sh
case $# in
	4) ;;
	*) echo Usage: squeeze MAC ALW infile outfile; exit
esac
case $1 in
	YES) sedparm="-e s/%M%//" ;;
	NO)  sedparm="" ;;
	*)  echo "$1" should be YES or NO; exit
esac
case $2 in
	YES) sedparm="$sedparm -e s/%A%//" ;;
	NO)  ;;
	*)  echo "$2" should be YES or NO; exit
esac

echo '%!'>$4
sed $sedparm -e 's/[ 	]*%.*//' -e '/^[ 	]*$/d' -e 's/^[ 	]*//' \
-e 's/[ 	]*{[ 	]*/{/' -e 's/[ 	]*}[ 	]*/}/' $3 >> $4
