[Rd] Unix-like touch to update modification timestamp of file?
hb at stat.berkeley.edu
Wed Feb 27 19:27:50 CET 2008
On Wed, Feb 27, 2008 at 8:24 AM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> If you only need Windows then this will do it even without RTools:
> shell("copy /b /v myfile +,,>nul")
Interesting. Show I figured out that '+' is for "append", but how to
interpret the two commas?
Thanks to both you.
> On Wed, Feb 27, 2008 at 11:12 AM, Earl F. Glynn
> <efg at stowers-institute.org> wrote:
> > "Henrik Bengtsson" <hb at stat.berkeley.edu> wrote in message
> > news:<59d7961d0802262154r2e049998yf5ce8ea08ab5d249 at mail.gmail.com>...
> > > is it possible to update the modification time stamp of a file using R
> > > (on file systems supporting it)?
> > For a Windows PC, if you have RTools in your path (from
> > http://www.murdoch-sutherland.com/Rtools/installer.html), then you should be
> > able to use the touch that's in the RTools\bin directory:
> > system("touch sample.dat")
> > efg
> > Earl F. Glynn
> > Bioinformatics
> > Stowers Institute for Medical Research
> > ______________________________________________
> > R-devel at r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-devel
> R-devel at r-project.org mailing list
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