Even if you're already familiar with the printf command, if you got your information via "man printf" you may be missing a couple of useful features that are provided by bash's built-in version of the ...
One of the first commands new Linux users learn is echo. Need to print some text or debug a script? Add an echo statement. However, from my usage, I've found printf to be far more powerful. Once you ...
When you have a width specification of 1 (like you do in the second line) the output will be H or T. If you have anything else, the output will be HEADS or TAILS. But first, we need to add the %H ...
You may or may not know, but printf is a Turing-complete language, once you exploit all the strange and wonderful format characters in it (especially %n). But who has time to write code as printf ...