Dear all -
Should anyone be interested - using
paste(system(paste("awk 'NR==2'", file.genepop), intern = TRUE), collapse="")
pulls together the pieces (list elements) of the returned values.
--
Andrew Beckerman
University of Sheffield
On Tuesday, 17 September 2013 at 12:36, Andrew Beckerman wrote:
> Dear listers
>
> I am using a system() call to my machine (OSX 10.8, R 3.0.1. 32GB memory
> available):
>
> system(paste("awk 'NR==2'", file.genepop), intern = TRUE)
>
> and when processing big files, getting numerous helpful error messages
>
> system(paste("awk 'NR==2'", file.genepop), intern = TRUE, ... :
> line 1 may be truncated in call to system(, intern = TRUE)
>
> I understand what is happening, and can see the truncations, but is there any
> way to prevent the truncation? Or is there a read-limit in system() [I can't
> see anything in the help file⦠but I am probably missing something]?
>
> Many thanks
> Andrew
>
>
> --
> Andrew Beckerman
> University of Sheffield
>
>
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