--- thumbnail_index.orig	Mon Sep  1 06:17:18 2003
+++ thumbnail_index	Fri Apr 25 18:07:39 2003
@@ -99,7 +99,8 @@
 subdir=.thumbnails
 nindexname=/tmp/tinind.$$
 stamp='This file produced by thumbnail_index - do not edit.'
 cwd=`/bin/pwd -L`
+cwd="${cwd##${THUMBNAILBASEDIR}}"
 makefile=/tmp/timake.$$
 infoscript=/tmp/tiinsc.$$
 rm -f $nindexname $makefile $infoscript
@@ -114,27 +115,28 @@
 fi
 
 # Make temporary script to extract info.
-cat > $infoscript << 'EOF'
+cat > "$infoscript" << 'EOF'
 #!/bin/sh
 
 file="$1"
 what="$2"
 thumb="$3"
+size="${4-70}"
 
 kb=`wc -c < "$file" | awk '{print int(($1+1023)/1024)}'`
 # (Slower but more portable than using ls.)
 
 set junk `"$what" "$file" | pnmfile` ; shift
-width=$4
-height=$6
+width=${4-${size}}
+height=${6-${size}}
 
 set junk `djpeg "$thumb" | pnmfile` ; shift
-twidth=$4
-theight=$6
+twidth=${4-${size}}
+theight=${6-${size}}
 
 echo "$kb" "$width" "$height" "$twidth" "$theight"
 EOF
-chmod 755 $infoscript
+chmod 755 "$infoscript"
 
 if [ ! -d $subdir ] ; then
     mkdir $subdir
@@ -261,23 +263,37 @@
 		if [ -f "$info" -a ! -s "$info" ] ; then
 		    rm -f "$info"
 		fi
-		cat << EOF > $makefile
-all:		$thumb $info
-$thumb:		$file
-	@echo "$file" >&2
-	@$what "$file" | pnmscale -xy "$size" "$size" | cjpeg > "$thumb"
-$info:		$thumb
-	@$infoscript "$file" "$what" "$thumb" > "$info"
-EOF
-		make -f $makefile | egrep -v 'is up to date' >&2
-		rm -f $makefile
+#		cat << EOF > $makefile
+#all:		$thumb $info
+#$thumb:		$file
+#	@echo "$file" >&2
+#	@$what "$file" | pnmscale -xy "$size" "$size" | cjpeg > "$thumb"
+#$info:		$thumb
+#	@$infoscript "$file" "$what" "$thumb" > "$info"
+#EOF
+#		make -f $makefile | egrep -v 'is up to date' >&2
+#		rm -f $makefile
+		if [ "$file" -nt "$thumb" ] ; then
+			rm -f "$thumb"
+		fi
+		if [ ! -s "$thumb" ] ; then
+			echo "$file" >&2
+			$what "$file" | pnmscale -xy "$size" "$size" |
+				cjpeg > "$thumb"
+		fi
+		if [ "$file" -nt "$info" ] ; then
+			rm -f "$info"
+		fi
+		if [ ! -s "$info" ] ; then
+			$infoscript "$file" "$what" "$thumb" "$size" > "$info"
+		fi
 		set junk `cat "$info"` ; shift
 		kb="$1"
 		width="$2"
 		height="$3"
 		twidth="$4"
 		theight="$5"
-		if [ "$width" -le "$size" -a "$height" -le "$size" ] ; then
+		if [ "$width" -lt "$size" -a "$height" -lt "$size" ] ; then
 		    echo "<TD ALIGN=CENTER><TABLE><TR><TD ALIGN=CENTER><IMG WIDTH=$width HEIGHT=$height SRC=\"$file\"></TD></TR><TR><TD ALIGN=CENTER><SMALL>$file</SMALL></TD></TR><TR><TD ALIGN=CENTER><SMALL>${kb}K ${width}x${height}</SMALL></TD></TR></TABLE></TD>"
 		else
 		    echo "<TD ALIGN=CENTER><TABLE><TR><TD ALIGN=CENTER><A HREF=\"$file\"><IMG WIDTH=$twidth HEIGHT=$theight SRC=\"$thumb\"></A></TD></TR><TR><TD ALIGN=CENTER><SMALL><A HREF=\"$file\">$file</A></SMALL></TD></TR><TR><TD ALIGN=CENTER><SMALL>${kb}K ${width}x${height}</SMALL></TD></TR></TABLE></TD>"