Unix

bc, for basic calculator, is an arbitrary-precision calculator language with syntax similar to the C programming language. In this post, we will explore the features of bc and how to use it.

Kenneth Ward Church in Unix™ for Poets shows how basic text processing tasks like splitting text into words, counting words, sorting words in rhyming order and even computing n-grams can be done by anybody using simple unix tools without any fancy tools or algorithms, even on a modest PC.