[R] Splitting a file into multiple files based on the column name

jim holtman jholtman at gmail.com
Sat Oct 4 03:56:31 CEST 2008


You can read the data in, then use 'grep' to determine which rows
match, then write the files out:

x <- read.table(....)
rowIndx <- grep("Sick|CB", x$col)
write.table(x[rowIndx,], file="match")
write.table(x[-rowIndx,], file="nomatch")

On Fri, Oct 3, 2008 at 2:48 PM, kayj <kjaja27 at yahoo.com> wrote:
>
> Hi,
>
> I have a txt file here I want to split it into different files based on the
> column  name if it contains a specific word or part of a word. For example,
>
> If the header looks like
>
> A001_Sick     A015_SB    K99_Sick    L913_BB
>
> I would like to split the data , one file contains the data with column
> names containing the words "Sick" or "SB" and have the rest of the data in
> another file.
>
> I appreciate your help,
>
>
>
>
>
>
>
> --
> View this message in context: http://www.nabble.com/Splitting-a-file-into-multiple-files-based-on-the-column-name-tp19803535p19803535.html
> Sent from the R help mailing list archive at Nabble.com.
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?



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