[R] Puzzled by write.table function

[Uwe Ligges]

Wang, Hui wrote:
> I am puzzled by the following:
> 
> I use two write.table function(write into files)  in my code  as following
> (I use  source to call the code): 
> ....
> write.table (x1, file ="x1.txt", quote = "FALSE", append=FALSE, sep="\t",
> eol="\n", "na=NA"...)
> ....(more statement)
> ..
> write.table (x2, file="x2.txt"...)
> 
> 
>  it turned out the second one is always empty. 
> 
> I know there is nothing the code itself as I can get second write.table
> statement work if I comment the first.
> 
> Does anybody know what happened here?

No, in particular not in this case, because you have given a 
non-reproducible example (moreover, it is syntactically wrong!).

Please also tell us your version of R and your OS.

Uwe Ligges