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/>

SEE ALSO

Full documentation <https://www.gnu.org/software/coreutils/shuf>

or available locally via: info '(coreutils) shuf invocation'

COPYRIGHT

Copyright © 2022 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.