lua - telegram - quotation plugin

function quotation()
    local http = require("socket.http")
    local xml = require("xml")
    local parser = xml.Parser(xml.Parser.Fastest)
    http.TIMEOUT = 5

    r, c = http.request("http://developers.agenciaideias.com.br/cotacoes/xml")
    local data = parser:load(r)


    for k, v in pairs(data[2]) do
        if v[1] ~= nil then
        quotation = v[1]
        quotation = string.gsub(quotation, "%s+", "")
        break
        return "Quotation: R$ "..quotation
        end
    end


    for x, y in pairs(data) do
        if type(y[1]) ~= "table" then
            if type(y[1]) ~= nil then
            update = y[1]
            update = string.gsub(update, "%s+", "")
            update = string.gsub(update, "-", " ")
            break
            return "Updated: "..update
            end
        end
    end
end


function run(msg, matches)
    return quotation()
end


return {
    description = "Shows the dollar quotation",
    usage = "!quotation",
    patterns = {"^!quotation$"},
    run = run
}