diff --git a/go/verbs-to-do-lc b/go/verbs-to-do-lc
new file mode 100755
index 000000000..6bae5022d
--- /dev/null
+++ b/go/verbs-to-do-lc
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+verbs=$(diff <(mlr -L) <(../c/mlr -L) | grep '>' | nf)
+
+for verb in $verbs; do
+  wc -l ../c/mapping/mapper_$(echo $verb | sed 's/-/_/g').c
+done | sort -n