file

function readLines(sPath)
  local file = fs.open(sPath,"r")
  if file then
      local tLines = {}
      local sLine = file.readLine()
      while sLine do
        table.insert(tLines,sLine)
        sLine = file.readLine()
      end
      file.close()
      return tLines
  end
end
function writeLines(tLines, sPath)
  local file = fs.open(sPath,"a")

      for a = 1,#tLines do
        file.writeLine(tLines[a])
      end
      file.close()

end
function Search(tLines,sKey)
 tRes = {}
 for a = 1,#tLines do
   if string.find(tLines[a],sKey)
   then
   sLine = tLines[a]
   table.insert(tRes,sLine)
   else

   end

 end
 return tRes
end

function serial()
tChat = file.getLines("chat1.log")
download = textutils.serialize(tChat)
return download

end