[R] Looping over files

[Uwe Ligges]

See FAQ "How can I save the result of each iteration in a loop into a 
separate file?"
you will certainly find the the principle given therein can be applied 
the other way round or reading as well.

Uwe Ligges



On 21.12.2011 02:32, Debs Majumdar wrote:
> Hi,
>
>   I have a list of files in one of my working directories:
>
> "chr17.chunk1.dose.fvd"
>
> "chr17.chunk1.dose.fvi"
> "chr17.chunk1.prob.fvd"
>
> "chr17.chunk1.prob.fvi"
>
> ...........
>
> .........
> ........
>
> "chr17.chunk10.dose.fvd"
>
> "chr17.chunk10.dose.fvi"
> "chr17.chunk10.prob.fvd"
>
> "chr17.chunk10.prob.fvi"
>
> And I am using the *.dose files to convert the data into a text file.
>
> For a singlefile, the following works:
> chr17chunk1dose<- databel("chr17.chunk1.dose")
>
> databel2text(databel=chr17chunk1dose, file="chr1_chunk1.dose.txt", NAString="NA", row.names=TRUE, col.names=TRUE, transpose=FALSE)
>
> I am trying to do the conversion inside a loop for all the files at a time but can't figure out how to do it. Any hep is appreciated.
>
> #### I am trying something like this:
>
> flies<- list.files(pattern="dose")
> for(i in files){
>      dose<- databel(i)[[1]]
>      databel2text<- (databel = dose,  file="chr17_chunk1.dose.txt", NAString="NA", row.names=TRUE, col.names=TRUE, transpose=FALSE)
>      }
>
>
> ########
>
>
>
> Thanks,
>
> Debs
>
>
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