shell获得某月最后一天

代码如下:

daytime=20180227

## 获取本月 
month=${daytime:0:6}
## 当月的最后一天

monthEndday=${month}$(cal ${daytime:4:2} ${daytime:0:4}|perl -0nle 'print+(split)[-1]')

echo $monthEndday

这样就OK啦大笑

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转载自blog.csdn.net/iboyman/article/details/79394102