diff --git a/clean_old_logs.sh b/clean_old_logs.sh
new file mode 100755
index 0000000..2672859
--- /dev/null
+++ b/clean_old_logs.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+BASE=~/Downloads/sweeper_200/nodes_log
+KEEP_DATE=20260501
+
+cd "$BASE" || exit 1
+
+find . -mindepth 2 -maxdepth 2 -type d \
+| grep -E '/[0-9]{8}$' \
+| awk -F/ -v keep="$KEEP_DATE" '$3 < keep' \
+| while read dir; do
+    echo "Deleting: $dir"
+    rm -rf "$dir"
+done
+
+echo "Cleanup complete."
\ No newline at end of file