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.

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

-z, --zero-terminated

end lines with 0 byte, not newline

--help display this help and exit

--version

output version information and exit

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

AUTHOR

Written by Paul Eggert.

REPORTING BUGS

Report shuf bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report shuf translation bugs to <http://translationproject.org/team/>

COPYRIGHT

Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://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.

SEE ALSO

The full documentation for shuf is maintained as a Texinfo manual. If the info and shuf programs are properly installed at your site, the command

info coreutils 'shuf invocation'

should give you access to the complete manual.

GNU coreutils 8.5 April 2010 SHUF(1)