sch2fig/sch2pdf: pass sheet number in <NUMBER>; option -n num to set start

sch2fig/sch2pdf

@@ -22,7 +22,8 @@
 usage()
 {
 	cat <<EOF 1>&2
-usage: $0 [-o output.pdf] [-q] [-t template.fig ] file.lib ... file.sch
+usage: $0 [-n first_num] [-o output.pdf] [-q] [-t template.fig ]
+	  file.lib ... file.sch
 EOF
 	exit 1
 }
@@ -31,8 +32,11 @@ EOF
 out=out.pdf
 quiet=false
 template=
+num=1
 while [ "$1" ]; do
 	case "$1" in
+	-n)	num=$2
+		shift 2;;
 	-o)	out=$2
 		shift 2;;
 	-q)	quiet=true
@@ -73,7 +77,8 @@ while read line; do
 	file=${file%%\"*}
 
 	$quiet || echo "$file" 1>&2
-	./sch2fig "-DTITLE=$name" $template $libs `dirname "$1"`/$file |
+	./sch2fig "-DTITLE=$name" -DNUMBER=$num $template \
+	    $libs `dirname "$1"`/$file |
 	    fig2dev -L pdf >_tmp.pdf
 	if $first; then
 		mv _tmp.pdf "$out"
@@ -82,5 +87,6 @@ while read line; do
 		pdfunite "$out" _tmp.pdf _tmp2.pdf
 		mv _tmp2.pdf "$out"
 	fi
+	num=`expr $num + 1`
 done <"$1"
 exit