#!sh
#	spell program
# SCCS:		@(#)spell.sh	1.7
# B_SPELL flags, D_SPELL dictionary, F_SPELL input files, H_SPELL history, S_SPELL stop, V_SPELL data for -v
# L_SPELL sed script, I_SPELL -i option to deroff
H_SPELL=${H_SPELL-/usr/lib/spell/spellhist}
V_SPELL=/dev/null
F_SPELL=
B_SPELL=
L_SPELL="sed -e \"/^[.'].*[.'][ 	]*nx[ 	]*\/usr\/lib/d\" -e \"/^[.'].*[.'][ 	]*so[ 	]*\/usr\/lib/d\" -e \"/^[.'][ 	]*so[ 	]*\/usr\/lib/d\" -e \"/^[.'][ 	]*nx[ 	]*\/usr\/lib/d\" "
trap "rm -f /tmp/spell.$$; exit" 0 1 2 13 15
for A in $*
do
	case $A in
	-v)     # ipc is not a pdp11 and supports -v option
		#if /bin/pdp11
		#	then	echo -v option not supported on pdp11 >&2
		#		EXIT_SPELL=exit
		#else	B_SPELL="$B_SPELL -v"
		#	V_SPELL=/tmp/spell.$$
		#fi ;;
		B_SPELL="$B_SPELL -v"
		V_SPELL=/tmp/spell.$$ ;;
	-a)	: ;;
	-b) 	D_SPELL=${D_SPELL-/usr/lib/spell/hlistb}
		B_SPELL="$B_SPELL -b" ;;
	-x)	B_SPELL="$B_SPELL -x" ;;
	-l)	L_SPELL="cat" ;;
	+*)	if [ "$FIRSTPLUS" = "+" ]
			then	echo "multiple + options in spell, all but the last are ignored" >&2
		fi;
		FIRSTPLUS="$FIRSTPLUS"+
		if  LOCAL=`expr $A : '+\(.*\)' 2>/dev/null`;
		then if test ! -r $LOCAL;
			then echo "spell cannot read $LOCAL" >&2; EXIT_SPELL=exit;
		     fi
		else echo "spell cannot identify local spell file" >&2; EXIT_SPELL=exit;
		fi ;;
	-i)	I_SPELL="-i" ;;
	*)	F_SPELL="$F_SPELL $A"
	esac
	done
${EXIT_SPELL-:}
cat $F_SPELL | eval $L_SPELL |\
 deroff -w $I_SPELL |\
 sort -u +0 |\
 /usr/lib/spell/spellprog ${S_SPELL-/usr/lib/spell/hstop} 1 |\
 /usr/lib/spell/spellprog ${D_SPELL-/usr/lib/spell/hlista} $V_SPELL $B_SPELL |\
 comm -23 - ${LOCAL-/dev/null} |\
 tee -a $H_SPELL
echo "  --  " >>$H_SPELL 2>/dev/null
whoami >>$H_SPELL 2>/dev/null
date >>$H_SPELL 2>/dev/null
echo "  --------  " >>$H_SPELL 2>/dev/null
case $V_SPELL in
/dev/null)	exit
esac
sed '/^\./d' $V_SPELL | sort -u +1f +0