Gum is a utility that can enhance bash script input and output with minimal effort. It offers commands for prompting for input (lines, lists, yes/no), file picking, and displaying formatted output (markdown, tables, colors, etc.). The article details its features, installation, and provides a practical example using a number guessing game.
$$logloss(theta) = - {1 over m} sum_{i=1}^m (y_i ln(hat p(y_i=1)) + (1-y_i) ln(1-hat p(y_i=1)))$$
