1 files changed, 4 insertions, 0 deletions
diff --git a/lua/step3_env.lua b/lua/step3_env.lua
index ed2e62a..dbdb879 100755
--- a/lua/step3_env.lua
+++ b/lua/step3_env.lua
@@ -71,6 +71,10 @@ repl_env:set(types.Symbol:new('-'), function(a,b) return a-b end)
 repl_env:set(types.Symbol:new('*'), function(a,b) return a*b end)
 repl_env:set(types.Symbol:new('/'), function(a,b) return math.floor(a/b) end)
 
+if #arg > 0 and arg[1] == "--raw" then
+    readline.raw = true
+end
+
 while true do
     line = readline.readline("user> ")
     if not line then break end