Perl one-liner to determine number of days since the Unix epoch

perl -e 'printf qq{%d\n}, time/86400;'
There are some environments that use this value for password and account expiration. It's helpful to be able to quickly determine the number of days since the Unix epoch (dse) when working directly with the configuration files as an administrator.
Sample Output
14988

1
By: gwchamb
2011-01-14 21:56:19

What Others Think

This is another way to do it: perl -le 'print int time/(60*60*24)'
seungwon · 723 weeks and 4 days ago
Or in bash: echo $(($(date +%s)/86400))
whiskybar · 722 weeks and 6 days ago
I like the BASH method, but there's no guarantee that the GNU date command will be available on any given system.
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pugpuppies95 · 71 weeks and 1 day ago

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