| shuf | |
|---|---|
| Operating system | Unix and Unix-like |
| Platform | Cross-platform |
| Type | Command |
| License | coreutils: GNU GPL v3 |
shuf is a command-line utility included in the textutils package of GNU Core Utilities for creating a standard output consisting of random permutations of the input.
The version of shuf bundled in GNU coreutils was written by Paul Eggert. It is not a part of POSIX.1
Example
$ ls
Wikibooks Wikipedia Wiktionary
$ # Shuffles input
$ ls | shuf
Wikipedia
Wiktionary
Wikibooks
$ # Picks one random line from input
$ ls | shuf -n1
Wikipedia