[R] how to skip out and go on read while the read.table meet with a null file

[David Winsemius]

On Jun 11, 2012, at 10:16 PM, David Winsemius wrote:

>
> On Jun 11, 2012, at 10:06 PM, Jie Tang wrote:
>
>> hi ,R users
>> I read a series of file by the command shown as below.
>> cop_x_data<-read.table(flnm,skip=2)
>> the first two line of the files are headfile and I skip them.
>> and sometimes the original 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 go on read the files even if the file is null?
>
> There are many examples in the archives that show how to recover  
> from errors using 'tr'y and 'tryCatch'.
>
Well. 'try' anyway.

-- 
David Winsemius, MD
West Hartford, CT