SHUF
Section: User Commands (1)
Updated: December 2009
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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/>
COPYRIGHT
Copyright © 2009 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 aqshuf invocationaq
should give you access to the complete manual.