SD card file reading for IOT datalogger

Hi everyone,

I am trying to make an IOT datalogger with SD card, idea is that whenever there is no connectivity of internet it should store data to SD card different file with time stamp and push the data whenever internet gets connected.

Now I have implemented till SD card data storage with a different file name. now am confused that how to push or read back the stored data.

please guide me…

There is a filedump example included in the iDE.