Re: [R] problem with dir() in R-2.1.0?

From: Douglas Grove <dgrove_at_fhcrc.org>
Date: Tue 26 Apr 2005 - 07:07:09 EST

The new version of R has begun enforcing rules on regular expressions. Your pattern is not a valid regular expression, hence it no longer works. The meaning of '*' is with respect to a preceding character, hence it is ill-defined without one.

On Mon, 25 Apr 2005, Ye, Bin wrote:

> Hi,
>
> I always use dir(pattern="*.RData") in all the earlier version of R (1.8, 1.9, 2.0.1).
>
> Error messege is as below:
> Error in list.files(path, pattern, all.files, full.names, recursive) :
> invalid 'pattern' regular expression
>
> Does anyone have an idea what's going on? How should I define the pattern I need in R-2.1.0?
>
> Thanks!
>
>
> Bin
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Apr 26 07:11:38 2005

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