usage check for ezpz-repl

diff --git a/bin/ezpz-repl b/bin/ezpz-repl
index fff851c..32efe30 100755 (executable)
--- a/bin/ezpz-repl
+++ b/bin/ezpz-repl
@@ -4,6 +4,9 @@ use File::Which;
 use Email::EzPz::List;
 use strictures 1;
 
+die "Usage: ezpz-repl ezmlm-bindir list-dir"
+  unless @ARGV == 2;
+
 {
   package Eval::WithLexicals::Scratchpad;