diff --git a/shellex/cat.lua b/shellex/cat.lua
index 4eefa3b..0010d49 100644
--- a/shellex/cat.lua
+++ b/shellex/cat.lua
@@ -4,7 +4,10 @@ local fs = require("shellex.filesystem")
 local args = shell.parse(...)
 local ec = 0
 if #args == 0 then
-	args = {"-"}
+	while true do
+		local input = read()
+		print(input)
+	end
 end
 
 for i = 1, #args do
@@ -28,4 +31,4 @@ for i = 1, #args do
 	end
 end
 
-return ec
\ No newline at end of file
+return ec