shuf (1) - Linux Manuals

shuf: generate random permutations

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.