Technical Notes

Manpages - shuf.1

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'

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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.