local files = {}

local open = io.open

function files.read_file(path)
    local file = open(path, "rb") -- r read mode and b binary mode
    if not file then return nil end
    local content = file:read "*a" -- *a or *all reads the whole file
    file:close()
    return content
end

function files.write_file(path, content)
    local file = open(path, "w")
    if not file then return end
    file:write(content)
    file:flush()
    return file:close()
end

return files