Just one line json

one_line_json.lua

#!/usr/bin/env luajit

-- author : Narate Ketram
-- github.com/narate
-- usage :
--[[
echo '
{
    "query": {
        "bool": {
            "must": [
                {
                    "term": {
                        "plugin": "interface"
                    }
                },
                {
                    "term": {
                        "uid": 1113
                    }
                }
            ]
        }
    }
}
' | one_line_json
{"query":{"bool":{"must":[{"term":{"plugin":"interface"}},{"term":{"uid":1113}}]}}}
--]]

local cjson = require 'cjson.safe'
local data = io.read('*all')
local json = cjson.decode(data)

if not json then
    print('Invalid json')
    return
end

print(cjson.encode(json))