[R] writing 100 files

Marc Schwartz (via MN) mschwartz at mn.rr.com
Mon May 22 17:38:20 CEST 2006


On Mon, 2006-05-22 at 16:24 +0100, Federico Calboli wrote:
> Hi All,
> 
> I need to write as text files 1000 ish variation of the same data frame, 
> once I permute a row.
> 
> I would like to use the function write.table() to write the files, and 
> use a loop to do it:
> 
> for (i in 1:1000){
> 
> bb8[2,] = sample(bb8[2,])
> write.table(bb8, quote = F, sep = '\t', row.names = F, col.names = F, 
> file = 'whatever?????.txt')
> }
> so all the files are called whatever1: whatever1000
> 
> Any idea?
> 
> Cheers,
> 
> Federico


The same process used in R FAQ 7.34: 

  How can I save the result of each iteration in a loop into a separate
  file?

can be used here.  Instead of using save(), use write.table(), adjusting
the arguments accordingly.

HTH,

Marc Schwartz



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