Dungeons, Dragons and Dice—a script that lets you roll those 3d6 and 2d20 that a surprising number of games require. In my last article, I talked about a really simple shell script for a game called ...
Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...
Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.