On Fri, 30 Jan 2004, Peter J. Acklam wrote: > Marcelo Luiz de Laia wrote: > > > I have a very simple problem. I have several files in a same > > directory. I would like to send for an object only the files > > that finish in ".sens.". I execute the command below, > > > > > files <- dir(pattern="*.sens") > > That's not even a valid regular expression in most applications, > but "dir" does allow it, for some reason. Anyway, I think you
It is a valid regex in GNU's regex code as used by R, and all the GNU and non-GNU applications I tried accepted it. `*' matches itself when not used as a repetition qualifier. (I tried several greps, including those claiming strict POSIX compliance.) So, can you please list the `most applications' you tried or give a reference for your assertion? > are mixing globs and regular expressions. If "*.sens" is a glob, > then it will find all files ending with ".sens", which is not > the same as ".sens." which you said above. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
