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Re: SSL trouble
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"Daniel R. Oelke" <[email protected]> writes:
>someone, probably either [email protected] or [email protected], writes:
>>[email protected], [email protected] writes:
>>
>>> I'd like to get the raw date in brloop (a sh script). In perl I'd just
>>> use "time", and I can't see a way to get "date +" to yield the raw time.
>>> I could use "date=`perl -e 'print time'`" but that seems OTT, and perl
>>> may not be on teh users PATH. Any suggestions ?
>>
>>"date '+%s'" does it under BSDI, but I'm not sure how portable it is.
>>
>
>That doesn't work under SunOS 4.1.x, but this does:
>
> date "+%S %M 60 * + %H 3600 * + %j 86400 * + %y 31536000 * + p" | dc
>
>This assumes 365 days/year, so if you jump from a leap year to a non-leap
>year it won't work right. Hey - a 1/1460 failure rate is better
>than most Windoze programs I've used ;-)
>
>It also isn't the "absolute" time, (as given by time()), but
>gives a number of seconds that constantly increases.
>
>With a little more work you should be able to adjust this to be close
>to time() functionality.
This was, of course, originally one long line:
date +"%S %M 60 * + %H 3600 * + %j 1 - 86400 * + %y 70 - 31536000 * + %y
69 - 4 / 86400 * + 3600 4 * + p" |dc
Differences: %j 1 -, because days of the year are numbered from 1, not
zero, and we don't want to count 86400 seconds for today before today
has finished.
%y 70 -, because 1970 is the epoch, of course.
%y 69 - 4 / 86400 * +, takes into account all leap days in all leap years
up through last year. Why? Left as an exercise for the reader. ;-)
3600 4 * +, this is a bit of ugliness. date +%s returns GMT for me.
I'm in EDT, so that's four hours away from GMT. So this is necessary to
make this return the same number as date +%s. But if you're in another
time zone, you need to change that 4 above appropriately. If this whole
section is deleted we are left with:
date +"%S %M 60 * + %H 3600 * + %j 1 - 86400 * + %y 70 - 31536000 * + %y
69 - 4 / 86400 * + p" |dc
which returns local time, which is probably what you wanted anyway.
By the way, date --version, on my system, returns "GNU shellutils 1.9.4",
just in case you were wondering what date I'm using.
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--
David R. Conrad, [email protected], http://www.grfn.org/~conrad
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Jerry Garcia, August 1, 1942 - August 9, 1995. Requiescat in pace.