datetime - Subtract 1 hour from date in UNIX shell script

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

I have the following in a shell script. How can I subtract one hour while retaining the formatting?

DATE=`date "+%m/%d/%Y -%H:%M:%S"`

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1 Answer

深蓝 · Answer 1 · 2021-10-23T19:14:51+0000

answered Oct 24, 2021 by 深蓝 (71.8m points)

The following command works on recent versions of GNU date:

date -d '1 hour ago' "+%m/%d/%Y -%H:%M:%S"

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