shuf

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.

shuf
Operating systemUnix and Unix-like
TypeCommand
Licensecoreutils: GNU GPL v3

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
gollark: Yes.
gollark: What?
gollark: Sure, why not.
gollark: You mean TJ10?
gollark: Not unless you sell me your soul. MWAHAHAHAHAHA!

See also

References

  1. shuf(1)  Linux General Commands Manual
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