The shell writes a simple Hanoi

#########################################################################
# File Name:hanoi.sh
# Author:free
# Mail: [email protected]
# Created time:2017 April 18 Tuesday 14:36 43 seconds
#########################################################################
#!/bin/bash

function Hanoi ()
{
Local num=$1
If ["$num"-eq "1"];then
echo "Move:$2--->$4"
Else
Hanoi $ ((num-1)) $ $4 $
echo "Move:$2--->$4"
Hanoi $ ((num-1)) $ $4
Fi
}
Hanoi 4 A B C

The above includes comments, taking 4 as an example, the shell script execution results are as follows

The program is to pass 4 A B c parameters to the function Hanoi, and then let Hanoi self-invocation, know to satisfy the judgment condition, output results.

The shell writes a simple Hanoi