Dear Dr. Harding,

Try

sapply(L, "[", 1)
sapply(L, "[", 2)

HTH,
Jorge.-



On Thu, Apr 25, 2013 at 8:16 PM, Ted Harding <Ted.Harding@wlandres.net>wrote:

> Greetings!
> For some reason I am not managing to work out how to do this
> (in principle) simple task!
>
> As a result of applying strsplit() to a vector of character strings,
> I have a long list L (N elements), where each element is a vector
> of two character strings, like:
>
>   L[1] = c("A1","B1")
>   L[2] = c("A2","B2")
>   L[3] = c("A3","B3")
>   [etc.]
>
> >From L, I wish to obtain (as directly as possible, e.g. avoiding
> a loop) two vectors each of length N where one contains the strings
> that are first in the pair, and the other contains the strings
> which are second, i.e. from L (as above) I would want to extract:
>
>   V1 = c("A1","A2","A3",...)
>   V2 = c("B1","B2","B3",...)
>
> Suggestions?
>
> With thanks,
> Ted.
>
> -------------------------------------------------
> E-Mail: (Ted Harding) <Ted.Harding@wlandres.net>
> Date: 25-Apr-2013  Time: 11:16:46
> This message was sent by XFMail
>
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