1 files changed, 9 insertions, 6 deletions

diff --git a/tests/decode.lua b/tests/decode.lua
index c042168..cac29e6 100755
--- a/tests/decode.lua
+++ b/tests/decode.lua
@@ -1,11 +1,14 @@
 #!/usr/bin/env lua
 
+-- usage: decode.lua [json_file]
+--
+-- Eg:
+-- echo '[ "testing" ]' | ./decode.lua
+-- ./decode.lua test.json
+
 require "common"
 require "cjson"
 
-if not arg[1] then
-        print("usage: decode.lua FILE")
-        os.exit(-1)
-end
-
-print(serialise_value(cjson.decode(file_load(arg[1]))))
+local json_text = file_load(arg[1])
+local t = cjson.decode(json_text)
+print(serialise_value(t))