[time-nuts] Anyone know a portable way of getting seconds since epoch?

[Hal Murray]

> > On FreeBSD you can use the strftime facility in date(1):
>>        $ date +%s
>>        1255442977
>> Poul-Henning

> But it does not work on Solaris or HP-UX

I have an old Linux system.  The man page for date says:
       %s     seconds  since  `00:00:00  1970-01-01  UTC'  (a GNU
              extension)
GNU sh-utils 2.0.11        October 2000

The man page on a newer Linux system doesn't have the GNU extension comment.

I was assuming it had been picked up by POSIX but I don't keep track of that 
sort of thing nor do I know where to look for the fine print.


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