diff --git a/cellpainter/logs/archive.sh b/cellpainter/logs/archive.sh
new file mode 100755
index 0000000..6b3df2d
--- /dev/null
+++ b/cellpainter/logs/archive.sh
@@ -0,0 +1 @@
+comm -23 <(ls *db | sort) <(git ls-files | sort) | xargs mv -v -t archive