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Hungsiro506/date_time.sh

Last active February 5, 2019 02:55
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date_time.sh
date -d '1 hour ago' '+%Y-%m-%d'
`Result` : 2017-11-13
date -d '1 hour ago' '+%Y-%m-%d %H'
Result : 2017-11-13 22
date -d '1 hour ago' '+%H'
22
date '+%H'
23
start=$(date -d '2 hour ago' '+%H')
end=$(date '+%H')
file_name="dns."$start":00:00-"$end":00:00.log"
date +'%Y' -> 2019
date + '%Y%m%d' -> 20190205
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