diff --git a/logging.bash b/logging.bash
index 466afb0..5372a58 100644
--- a/logging.bash
+++ b/logging.bash
@@ -6,3 +6,4 @@ dedcat() { (>&2 cat <<<"$@"); exit 1; }
 xcat() { (>&2 cat "$@"); exit 0; }
 excat() { (>&2 cat <<<"$@"); exit 0; }
 die() { errcho $@; exit 1; }
+mktimestamp() { date '+%Y-%m-%d_%s'; }