1. Executable programs or shell commands

SHUF

Section: User Commands (1)
Updated: February 2024
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NAME

shuf - generate random permutations

SYNOPSIS

shuf [,OPTION/]... [,FILE/]
shuf ,-e /[,OPTION/]... [,ARG/]...
shuf ,-i LO-HI /[,OPTION/]...

DESCRIPTION

Write a random permutation of the input lines to standard output.

With no FILE, or when FILE is -, read standard input.

Mandatory arguments to long options are mandatory for short options too.

-e, --echo: treat each ARG as an input line
-i, --input-range=,LO-HI/: treat each number LO through HI as an input line
-n, --head-count=,COUNT/: output at most COUNT lines
-o, --output=,FILE/: write result to FILE instead of standard output
--random-source=,FILE/: get random bytes from FILE
-r, --repeat: output lines can be repeated
-z, --zero-terminated: line delimiter is NUL, not newline
--help: display this help and exit
--version: output version information and exit

AUTHOR

Written by Paul Eggert.

REPORTING BUGS

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT

Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

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