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SHUF

Section: User Commands (1)
Updated: June 2025
Index Return to Main Contents
 

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'


Packaged by Debian (9.7-3)
Copyright © 2025 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.

 

Index

NAME
SYNOPSIS
DESCRIPTION
AUTHOR
REPORTING BUGS
SEE ALSO
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Time: 11:48:41 GMT, September 14, 2026