Try this:
format(strptime(tst, "%H:%M:%S"), "%M")
On Wed, Oct 15, 2008 at 6:54 PM, Redding, Matthew <
[EMAIL PROTECTED]> wrote:
> Hi All,
>
> Is there a means to extract the "10" from "23:10:34" in one pass using
> strsplit (or something else)?
> tst <- "23:10:34"
>
> For example my attempt
> strsplit(as.character(tst),"^[0-9]*:")
> gives
> [[1]]
> [1] "" "" "34"
>
> Obviously it is matching the first two instances of [0-9]. Note that
> there may be only one digit before the first ":".
>
> How do I anchor the match to the begginning or better still, just
> extract the number I want in one pass?
>
> I can see that I can add "begin" to the beginning of the string, and
> match that and do something similar at the end, getting rid of empty
> strings
> etc - but I think it would take about 3 passess - and the files are
> large. And besides that code would be unlovely.
>
> Kind regards,
>
>
> Matt Redding
> ********************************DISCLAIMER**************...{{dropped:15}}
>
> ______________________________________________
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>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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