examples/scripts/randomcard.bash

   1 # The following prints a random card from a card deck.
   2 #
   3 # cribbed from the ksh93 book, example from page 70
   4 #
   5 # chet@po.cwru.edu
   6 #
   7 declare -i i=0
   8
   9 # load the deck
  10 for suit in clubs diamonds hearts spades; do
  11         for n in ace 2 3 4 5 6 7 8 9 10 jack queen king; do
  12                 card[i]="$n of $suit"
  13                 i=i+1           # let is not required with integer variables
  14         done
  15 done
  16
  17 # and print a random card
  18 echo ${card[RANDOM%52]}