shell下的环境变量

之前基础不扎实- -bash

如今定义一个环境变量都挺难受ide

1 #InstallJammer
2 MY_INSTALLJAMMER_PATH=/home/shivency/tools/installjammer
3 export PATH=$MY_INSTALLJAMMER_PATH:$PATH

第二行那儿guide上以前有一个$,弄了很久发现是坑爹的- -测试

 

测试:ui

which installjammer
/home/shivency/tools/installjammer/installjammer

测试:spa

MY_INSTALLJAMMER_PATH/installjammer
bash: MY_INSTALLJAMMER_PATH/installjammer: No such file or directory

测试:code

$MY_INSTALLJAMMER_PATH/installjammer

结果那货本身给弹出来了!!!blog

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