avoid bug if /bin/sh is dash -- use single quotes around \1
diff --git a/lib/moveplan9.sh b/lib/moveplan9.sh
index 13105d5..fbaee27 100644
--- a/lib/moveplan9.sh
+++ b/lib/moveplan9.sh
@@ -20,9 +20,9 @@
 fi
 
 cd $PLAN9
-echo "
-	X ,s;$old(\$|/|});$new\\1;g
-	X/'/w
+echo '
+	X ,s;'$old'($|/|});'$new'\1;g
+	X/'"'"'/w
 	q
-" | sam -d `cat lib/moveplan9.files` >/dev/null 2>&1
+' | sam -d `cat lib/moveplan9.files` >/dev/null 2>&1