Re: [Rd] Unix-like touch to update modification timestamp of file?

2008-02-28 Thread Nicholas Lewin-Koh
Wow, this has to win the prize for some of the most obscure documentation ever. Kudos on your M$-archaeology. Nicholas Message: 9 Date: Wed, 27 Feb 2008 15:23:51 -0500 From: "Gabor Grothendieck" <[EMAIL PROTECTED]> Subject: Re: [Rd] Unix-like touch to update modification timestamp

Re: [Rd] Unix-like touch to update modification timestamp of file?

2008-02-27 Thread Gabor Grothendieck
On Wed, Feb 27, 2008 at 1:27 PM, Henrik Bengtsson <[EMAIL PROTECTED]> wrote: > On Wed, Feb 27, 2008 at 8:24 AM, Gabor Grothendieck > <[EMAIL PROTECTED]> wrote: > > If you only need Windows then this will do it even without RTools: > > > > shell("copy /b /v myfile +,,>nul") > > Interesting. Show I

Re: [Rd] Unix-like touch to update modification timestamp of file?

2008-02-27 Thread Henrik Bengtsson
On Wed, Feb 27, 2008 at 8:24 AM, Gabor Grothendieck <[EMAIL PROTECTED]> 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 bot

Re: [Rd] Unix-like touch to update modification timestamp of file?

2008-02-27 Thread Gabor Grothendieck
If you only need Windows then this will do it even without RTools: shell("copy /b /v myfile +,,>nul") On Wed, Feb 27, 2008 at 11:12 AM, Earl F. Glynn <[EMAIL PROTECTED]> wrote: > "Henrik Bengtsson" <[EMAIL PROTECTED]> wrote in message > news:<[EMAIL PROTECTED]>... > > > > is it possible to upda

Re: [Rd] Unix-like touch to update modification timestamp of file?

2008-02-27 Thread Earl F. Glynn
"Henrik Bengtsson" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > 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/insta

[Rd] Unix-like touch to update modification timestamp of file?

2008-02-26 Thread Henrik Bengtsson
Hi, is it possible to update the modification time stamp of a file using R (on file systems supporting it)? It is sufficient to update the modification time to the current time. The best I can do for now is: touchFile <- function(pathname, ...) { if (!file.exists(pathname)) stop("No such