--- a/src/luan/modules/Io.luan	Sun Jan 31 16:04:39 2021 -0700
+++ b/src/luan/modules/Io.luan	Mon Feb 08 14:16:19 2021 -0700
@@ -3,9 +3,31 @@
 local System = require "java:java.lang.System"
 local Boot = require "luan:Boot.luan"
 local LuanException = require "java:luan.LuanException"
+local Luan = require "luan:Luan.luan"
+local error = Luan.error
+local get_local_cloned = Luan.get_local_cloned
+local set_local_cloned = Luan.set_local_cloned
+local raw_set = Luan.raw_set
+local set_metatable = Luan.set_metatable
 
 
 local Io = {}
+local mt = {}
+function mt.__index(tbl,key)
+	if key=="stdin" or key=="stdout" or key=="stderr" then
+		return get_local_cloned(tbl,key)
+	else
+		return nil
+	end
+end
+function mt.__new_index(tbl,key,value)
+	if key=="stdin" or key=="stdout" or key=="stderr" then
+		set_local_cloned(tbl,key,value)
+	else
+		raw_set(tbl,key,value)
+	end
+end
+set_metatable(Io,mt)
 
 Io.dns_lookup = IoLuan.dns_lookup
 Io.ip = IoLuan.ip
@@ -20,8 +42,6 @@
 -- used by http and rpc
 Io.password = "password"
 
-local Luan = require "luan:Luan.luan"
-local error = Luan.error
 local to_string = Luan.to_string or error()
 local type = Luan.type or error()
 local ipairs = Luan.ipairs or error()