4 ms·

At the risk of being flippant: sed 's/,/\t/g'

• bbernoulli 7y ago
  And hope you don't have any commas into your data?
  • ISL 7y ago
    In my line of work, that's an excellent assumption.
    • misterdoubt 7y ago
      Must be nice to start work with clean data. Allow me to assure you that there are many, many others who don't have the luxury.