[R] Reading multiple text files where some files are empty

[Dieter Menne]

Paul wrote:
> 
> Thanks for the responses. 'Try' seems to be the function that I needed. I
> had to adapt the code suggested below because vapply wasn't recognised,
> but this seemed to work:
>   x<‑lapply(a,function(x){try(read.table(x,colClasses='character'))})
> 

There is the risk with this approach that you could miss a real error in
your data (e.g. character in the wrong place, truncated). I would prefer to
use file.info to get the file size before I open it, and skip if too small.

Dieter

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