shell 获取当前时间

1.获取当前时间

currentyear=$(date +%Y)
currentyearmonth=$(date +%Y-%m)
currentyearmonthday=$(date +%Y-%m-%d)
echo $currentyear
echo $currentyearmonth
echo $currentyearmonthday
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原文地址：https://www.cnblogs.com/chong-zuo3322/p/15097588.html