[REBOL] =?iso-8859-2?Q?Re=3A=20=5BREBOL=5D=20ANN=3A=20subtract=2Ddates?=
From: rebolek::seznam::cz at: 8-Jun-2003 18:52
???
what's wrong with
>> now - 1-1-2003
== 158
bye, bolek
Dne 6. =E8erven 2003, <[rebol-list--rebol--com]> napsal:
> Hello rebol-list,
>
> is there any simple way how to subtract 2 dates?
> I had to write this function:
>
> subtract-dates: func[
> "Returns the second date subtracted from the first in time! datatype."
> end [date!] start [date!]
> /local time days
> ][
> if end < start [return negate subtract-dates end start]
> time: (either none? end/time [0:0][end/time]) - (either none? start/time [0:0][start/time])
> either 0 < days: end/day - start/day [(days * 24:00) + time][ time ]
> ]
>
> ;so for example this will return time since 1-1-2003:
> subtract-dates now 1-1-2003
>
> --
> Best regards,
> rebOldes mailto:[rebol-list2--seznam--cz]
>
> --
> To unsubscribe from this list, please send an email to
> [rebol-request--rebol--com] with "unsubscribe" in the
> subject, without the quotes.
>
______________________________________________________________________
Reklama:
P=F8iprav se na nejp=F8=ED=B9ern=ECj=B9=ED z=E1=BEitek v =BEivot=EC na http://ad2.seznam.cz/redir.cgi?instance=46466%26url=http://www.priserky.cz
