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#!/usr/bin/env lua
-- usage: lua2json.lua [lua_file]
--
-- Eg:
-- echo '{ "testing" }' | ./lua2json.lua
-- ./lua2json.lua test.lua
local json = require "cjson"
local misc = require "cjson-misc"
function get_lua_table(s)
local env = {}
local func
env.json = {}
env.json.null = json.null
env.null = json.null
s = "data = " .. s
-- Use setfenv() if it exists, otherwise assume Lua 5.2 load() exists
if _G.setfenv then
func = loadstring(s)
if func then
setfenv(func, env)
end
else
func = load(s, nil, nil, env)
end
if func == nil then
error("Invalid syntax. Failed to parse Lua table.")
end
func()
return env.data
end
local t = get_lua_table(misc.file_load(arg[1]))
print(json.encode(t))
-- vi:ai et sw=4 ts=4:
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