[R] how to skip from some null file and go on reading?

Jim Holtman jholtman at gmail.com
Thu Jun 28 05:12:19 CEST 2012


why cann't you use 'try'?

you can get the size of the file with 'file.info' and then make a decision to read or not.

Sent from my iPad

On Jun 27, 2012, at 23:02, Jie Tang <totangjie at gmail.com> wrote:

> hi ,
> I am reading a series of files by the command shown as below.
> cop_x_data<-read.table(flnm(i)
> ,skip=2,allowEscapes=TRUE,blank.lines.skip=TRUE)
> the first two line of the files are headfile and I skip them by skip=2.
> and sometimes the data file is null and there is no any data
> in the file except for the  head information.
> At this situation,my command would be in the error and tell me that
> there is not data in the file and can not go on.
> How can I skip out from the null file and go on reading the files while
> reading ?
> 
> I can not use to try and tryCatch ,can anyone tell me ?
> thank you
> 
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> 
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