I personally believe that using a terminal multiplexer is a must for anyone who spends a non-trivial amount working on remote *nix servers. This post is a gentle introduction to GNU screen but I would like to take a short detour and explain why they are useful. Why use a terminal multiplexer? Some of the most obvious advantages being: Ability to have a saved session for your work Cutting down the number of terminal windows you have to open Let’s discuss a usecase wherein you are logged on to your Edge/Gateway node and would like to monitor your Spark jobs, your HBase service and at the same time query Impala tables.

A request was made in this Daniweb thread to split a string based on punctuations and whitespaces but with a twist. The splitting should make exceptions/allowances for special cases. For e.g. let’s say we are splitting on . (the dot character). Our splitting should keep titles like Mrs. and Mr. intact. What does this mean? Let’s have a look at it with an example (for those wondering, the code snippets are in Python programming language):