update

local targs = {...}
--pastebin:bZWkfTbQ

local function grepFirst(filename, pattern)
  local match  = ""
  local rf = fs.open(filename, "r")
  if (rf ~= nil) then
    local line = rf.readLine()
    local count = 0
    while (line ~= nil) do
      for token in string.gmatch(line, pattern) do
        match = token
        break
      end

      line = rf.readLine()
      count = count + 1
      if ((match ~= "") or (count > 10)) then
        break
      end
    end
    rf:close()
  end
  return match
end

local filename = targs[1]
print("Updating :", filename)

if fs.exists(filename) then
  local pastebinId = grepFirst(filename, "--pastebin:(%w+)")
  if (pastebinId == "") then
    print("No pastebin id found in ", filename)
  else
    print("found : ", pastebinId)
    shell.run("rm ", filename)
    shell.run("pastebin get ", pastebinId, filename)
  end
else
  print(filename, " not found !")
end