ubuntu时间戳如何生成

? Ubuntu ???,?????????????????????????:

1. ?? date ??:

   • ????????(??):

     date +%s
     

   • ????????(???):

     date +%s%3N
     

     ??

     date +%s | xargs -I {} echo "{}$(printf 'd' $(date +%N | cut -b1-3))"
     

   • ????????: ???????????????????,???? -d ?????,?? 2023-10-01 12:00:00 ????:

     date -d "2023-10-01 12:00:00" +%s
     

2. ?? perl ??:

   Perl ??????????:

   • ????????(??):

     perl -MTime::HiRes -e 'printf "%d\n", Time::HiRes::time()'
     

   • ????????(???):

     perl -MTime::HiRes -e 'printf "%d\n", Time::HiRes::time() * 1000'
     

3. ?? python ??:

   ?????? Python,????????????:

   • ????????(??):

     python3 -c 'import time; print(int(time.time()))'
     

   • ????????(???):

     python3 -c 'import time; print(int(time.time() * 1000))'
     

?????????? Ubuntu ??????????????????????????????