You want to match a period and anything that follows to the end of the string,
as long as what follows has no period in it.
"\\.[^.]*$"
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Jeff Newmiller The ..... ..... Go Live...
DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go...
Live: OO#.. Dead: OO#.. Playing
Research Engineer (Solar/Batteries O.O#. #.O#. with
/Software/Embedded Controllers) .OO#. .OO#. rocks...1k
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Sent from my phone. Please excuse my brevity.
Fisher Dennis <fis...@plessthan.com> wrote:
>R 3.0.2
>OS X
>
>Colleagues
>
>I am writing code to read a large number of files in a particular
>folder. In some situations, there may be two versions of the file with
>different extensions, e.g.:
> FILE.csv
> FILE.xls
>I extracted the portion before the extension with:
> sub("\\..*$", "", basename(FILELIST))
>then used
> duplicated
>to find duplicates. All was well until I encountered files named:
> FILE.XXX.csv
> FILE.YYY.xls
>
>My regular expression extracted only the “FILE” portion of the text and
>claimed that the filenames (without the extensions) matched. Can
>someone provide me with the appropriate regular expression to deal with
>this? Thanks.
>
>Dennis
>
>
>Dennis Fisher MD
>P < (The "P Less Than" Company)
>Phone: 1-866-PLessThan (1-866-753-7784)
>Fax: 1-866-PLessThan (1-866-753-7784)
>www.PLessThan.com
>
>______________________________________________
>R-help@r-project.org mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
