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Full Discussion: Cherry picking with sed?
Top Forums UNIX for Beginners Questions & Answers Cherry picking with sed? Post 302991501 by Don Cragun on Saturday 11th of February 2017 10:07:13 PM
Old 02-11-2017
How did you get to a point where you have dealt at least six cards from a deck, but don't know what cards remain in that deck? One might guess that in most card games you would have known hands for various players, a know set of cards in a discard pile, and a known set of cards remaining in the deck. In a state like this, it would seem to be fairly easy to "shuffle" the discard pile and the current contents of the deck to produce an updated deck rather than create a new deck of 52 cards (some of which duplicate other cards in play).

But, having said that, how do you plan to remove a card from the "deck" when a card is drawn from the deck? Is there any reason why removing the top card from the "deck" should be much different from removing any other card from the "deck"?
 

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LEARN ABOUT OPENSOLARIS

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)
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