--LUA fileFuncs
function writeDataToFile(file, data)

    --Open/Create file------------
    local wFd = io.open(file,"w")

    --Modify ---------------------
    local writeSucess = false   --Determin sucess of
    if wFd:write(data) then     --Write to file
        writeSucess = true
    end

    --Close ----------------------
    wFd:close()
    return writeSucess
end




-- see if the file exists
function file_exists(file)
  local f = io.open(file, "rb")
  if f then f:close() end
  return f ~= nil
end

-- get all lines from a file, returns an empty
-- list/table if the file does not exist
function lines_from(file)
    if not file_exists(file) then
      return {}
    else
        lines = {}
        for line in io.lines(file) do
            lines[#lines + 1] = line
        end
        return lines
    end
end


function lines_from_dropbox(file)
    local dropboxPath = os.getenv("HOME").."/Documents/Dropbox.spritepack/"
    return lines_from(dropboxPath..file)
end


function txt_from_dropbox(file)
    local dropboxPath = os.getenv("HOME").."/Documents/Dropbox.spritepack/"
    return join(lines_from(dropboxPath..file), "\n")
end

function join(array, sep)
    string = ""
    for i,v in pairs(array) do
        string = string..v..sep
    end
    return string
end