Take a look at ?scan.
There is an explanation for the doubling of the string
Bart
Jun Ding wrote:
>
> Hi Everyone,
>
> Recently I got puzzled by the function read.table,
> even though I have used it for a long time.
>
> I have such a file (tmp.txt, 2 rows and 3 columns,
> with a space among columns):
>
> 1 2'-PDE 4
> 2 3'-PDE 5
>
> if I do:
> a = read.table("tmp.txt", header = F, quote = "")
> a
> V1 V2 V3
> 1 1 2'-PDE 4
> 2 2 3'-PDE 5
>
> Everything is fine.
>
> However, if I do:
> a = read.table("tmp.txt", header = F)
> a
> V1 V2 V3
> 1 2 3'-PDE 5
> 2 1 2'-PDE 4
> 3 2 3'-PDE 5
>
> I know it is related to the "quote" as the default
> includes '. But how can it get one more row in the
> file? Thank you very much for your help in advance!
>
> Jun
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>
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