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MDK5.37安装ARM_Compiler_5最后一个AC5编译器，从MDK5.37开始，不再默认安装，需要独立安装ARMCompiler_506_Windows_x86_b960.zip (80.94MB)否则使用AC5编译代码报错如下：Build started: Project: Project*** Target 'STM3210C_EVAL' uses ARM-Compiler 'Default Compiler Version 5' which is not available.*

1、通过 sh 执行另一个脚本2、过 $? 获取上一条命令的返回值。#!/bin/bashsh ./test.shret = $?if [ $ret -eq -1 ]; then echo " test.sh failed."fi