#!/bin/bash 
        
 
        
          #必須先聲明 
        
 
        
          declare -A dic0 
        
 
        
          declare -A dic1 
        
 
        
          declare -A dic2 
        
 
        
          declare -A dic3 
        
 
        
          dic0=([ip]="192.168.56.120" [m_pwd]="xxxxxx" [r_pwd]="xxxxxx") 
        
 
        
          dic1=([ip]="192.168.56.121" [m_pwd]="xxxxxx" [r_pwd]="xxxxxx") 
        
 
        
          dic2=([ip]="192.168.56.122" [m_pwd]="xxxxxx" [r_pwd]="xxxxxx") 
        
 
        
          dic3=([ip]="192.168.56.123" [m_pwd]="xxxxxx" [r_pwd]="xxxxxx") 
        
 
        
          ALL=(0 1 2 3) 
        
 
        
          for ip in ${ALL[@]} 
        
 
        
          do 
        
 
        
          eval echo '$'"{dic${ip}["ip"]}" 
        
 
        
          eval echo '$'"{dic${ip}["m_pwd"]}" 
        
 
        
          eval echo '$'"{dic${ip}["r_pwd"]}" 
        
 
        
          done 
        
 
        