atm.sh

来自「understanding unix/linux programming sou」· Shell 代码 · 共 15 行

#!/bin/sh
#
# atm.sh - a wrapper for two programs
#

while true
do
     do_a_transaction     # run a program
     if play_again        # run our program
     then               
          continue	  # if "y" loop back
     fi
     break                # if "n" break
done