Oh my, save() is so much better than diddling with attr() Thank you By the way In Dec 2007 when I was getting up 64bit R to read/process 81 .cel files, you were fundamental with that also
> From: Kasper Daniel Hansen <[EMAIL PROTECTED]> > Date: Thu, 30 Oct 2008 10:13:18 -0700 > To: Loren Engrav <[EMAIL PROTECTED]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [R-SIG-Mac] File creation date > > Loren, the easiest solution to your problem is to save objects in > individual files, like > > save(BigComputation, file = "BigComputation.rda") > > that way you just have one object in each file and can use the file > time stamp. > > Using attributes are of course another approach. > > Kasper > > On Oct 30, 2008, at 9:57 , Loren Engrav wrote: > >> Thank you >> >> That is too bad as date time of work is important >> >> But, going forward, maybe I can learn how to set the date time in the >> objects attributes when it is important >> >> Like I found a discussion on this topic from 2004 which suggests >> attr(obj, "timestamp") <- Sys.time() >> And then >> attr(obj, "timestamp") >> >> So I tried >> attr(obj, "datetime") <- date() >> Then >> attr(obj,"datetime") >> >> And it works so I can do that >> >> But then as I read the ref manual, >> file.info tries to show mtime, ctime and atime >> But I guess that does not apply to objects within a workspace >> >> >>> From: Simon Urbanek <[EMAIL PROTECTED]> >>> Date: Wed, 29 Oct 2008 12:08:53 -0400 >>> To: Loren Engrav <[EMAIL PROTECTED]> >>> Cc: "[email protected]" <[email protected]> >>> Subject: Re: [R-SIG-Mac] File creation date >>> >>> >>> On Oct 28, 2008, at 19:03 , Loren Engrav wrote: >>> >>>> Sorry my email was unclear >>>> I am looking at files within a saved R workspace >>>> >>>> The date of the workspace file is 3/18/2007 but I don't think all of >>>> the >>>> files were created on that date as I think I used the workspace over >>>> some >>>> period of time >>>> >>>> So I would like the creation date of the files WITHIN the workspace >>>> >>> >>> There is no file *within* the workspace. The workspace *is* one file >>> of serialized R objects and they themselves don't have any timestamp >>> associated with them. So all you can find out is when you last saved >>> (or accessed) the workspace, that's all. >>> >>> Cheers, >>> S >>> >>> >>>>> From: Steve Lianoglou <[EMAIL PROTECTED]> >>>>> Date: Tue, 28 Oct 2008 18:48:34 -0400 >>>>> To: Loren Engrav <[EMAIL PROTECTED]> >>>>> Cc: "[email protected]" <[email protected]> >>>>> Subject: Re: [R-SIG-Mac] File creation date >>>>> >>>>> Hi, >>>>> >>>>> On Oct 28, 2008, at 6:00 PM, Loren Engrav wrote: >>>>> >>>>>> Ok, I give up >>>>>> >>>>>> I am exploring some workspace files created long long ago >>>>>> And need the creation date of some of the files >>>>>> >>>>>> I try ls() but cannot see the parameters to show creation date >>>>>> I try file.info and get NA >>>>>> How do I get creation date to show >>>>> >>>>> One way is to navigate to the file via the Finder, select it, and >>>>> hit >>>>> Cmd-I (File > Get Info) >>>>> >>>>> You'll find what you're looking for in the "General" section. >>>>> >>>>> HTH, >>>>> -steve >>>>> >>>>> -- >>>>> Steve Lianoglou >>>>> Graduate Student: Physiology, Biophysics and Systems Biology >>>>> Weill Medical College of Cornell University >>>>> >>>>> http://cbio.mskcc.org/~lianos >>>>> >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> R-SIG-Mac mailing list >>>> [email protected] >>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >>>> >>>> >>> >> >> _______________________________________________ >> R-SIG-Mac mailing list >> [email protected] >> https://stat.ethz.ch/mailman/listinfo/r-sig-mac > _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
