take a look at the structure of what Sys.time returns.
str(Sys.time)
and now at ?strptime!
> format(Sys.time(),format='%d-%H-%M-%S')
[1] "15-09-55-55"
> format(Sys.time(),format='%Y')
[1] "2011"> format(Sys.time(),format='%m')
[1] "11">
Hope that helps,
Justin
On Tue, Nov 15, 2011 at 9:48 AM, syrvn <mentor_ at gmx.net>
wrote:> Hello,
>
> with Sys.time() you get the following string:
>
> "2011-11-15 16:25:55 GMT"
>
> How can I extract the following substrings:
>
> year <- 2011
>
> month <- 11
>
> day_time <- 15_16_25_55
>
>
> Cheers,
>
> Syrvn
>
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