On Thu, Oct 28, 2010 at 5:26 AM, RINNER Heinrich
<heinrich.rin...@tirol.gv.at> wrote:
> Hello,
>
> I am working with R version 2.10.1 under windows.
> In a text file, I need to replace all characters at certain column positions
> with blanks.
> For example, say the file contains two lines and looks like this:
>
> ab34cd78e
> fg3 hi78j
>
> I'd like to replace everything at positions 3-4 and 7-8 with blanks, so the
> output should be:
>
> ab cd e
> fg hi j
>
> [I'm not sure if this is really an R question(?), solutions outside of R -
> maybe via shell() or so - are welcome!]
>
Try this:
> s <- c("ab34cd78e", "fg3 hi78j")
> sub("^(..)..(..)..", "\\1 \\2 ", s)
[1] "ab cd e" "fg hi j"
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