log-`date +%Y%m%d`空格问题
date +%Y%m%d是把显示的格式,在+号前是有个空格的,不能少
实际操作显示:
-bash-4.2$ date +%Y%m%d
20210105
-bash-4.2$
来源:
https://blog.csdn.net/yusiyuuestc/article/details/17919685?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.control
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