diff --git a/Documents/bin/dt b/Documents/bin/dt
new file mode 100755
index 0000000000000000000000000000000000000000..a434aecab0862153a774bd32e505393fed50f712
--- /dev/null
+++ b/Documents/bin/dt
@@ -0,0 +1,12 @@
+#!/bin/sh
+set -eu
+
+[ "$#" -gt '0' ] || { echo "Output not specified." >> /dev/stderr; return 1; }
+while [ "$#" -gt '1' ]
+do
+    args="${args:-} $1"
+    shift
+done
+tempfile="$(mktemp -p .)"
+# shellcheck disable=SC2086
+tee ${args:-} "$tempfile" && mv "$tempfile" "$1"