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//proc/self/root/usr/share/doc/bash-3.2/scripts/hanoi.bash
# Towers of Hanoi in bash # # cribbed from the ksh93 book, example from exercises on page 85 # # Chet Ramey # chet@po.cwru.edu hanoi() # n from to spare { typeset -i nm1=$1-1 ((nm1>0)) && hanoi $nm1 $2 $4 $3 echo "Move disc $2 to $3" ((nm1>0)) && hanoi $nm1 $4 $3 $2 } case $1 in [1-9]) hanoi $1 1 2 3;; *) echo "${0##*/}: Argument must be from 1 to 9" exit 1;; esac