UNIX script for making random numbers without repetition Post: 302853449

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shuf

SHUF(1) 							   User Commands							   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-lines=LINES
	      output at most LINES lines

       -o, --output=FILE
	      write result to FILE instead of standard output

       --random-source=FILE
	      get random bytes from FILE (default /dev/urandom)

       -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 bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2006 Free Software Foundation, Inc.
       This   is   free   software.    You   may   redistribute   copies   of	it   under   the   terms   of	the  GNU  General  Public  License
       <http://www.gnu.org/licenses/gpl.html>.	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 shuf

       should give you access to the complete manual.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +--------------------+--------------------+
       |  ATTRIBUTE TYPE    |  ATTRIBUTE VALUE	 |
       +--------------------+--------------------+
       |Availability	    | SUNWgnu-coreutils  |
       +--------------------+--------------------+
       |Interface Stability | Uncommitted	 |
       +--------------------+--------------------+
NOTES

       Source for GNU coreutils is available on http://opensolaris.org.

shuf 6.7							   December 2006							   SHUF(1)