Re: [R] File > Save As...

From: Duncan Murdoch <murdoch.duncan_at_gmail.com>
Date: Tue, 15 Mar 2011 16:37:32 -0400

On 15/03/2011 2:56 PM, Gene Leynes wrote:
> The "getSrcFilename" function is exactly what I was trying to describe, and
> I'm excited to know that it's on it way!
>
> I have tried to create that type of function, but I didn't think it was
> possible with currently available functions. I would be interested in
> seeing how the new function works, maybe I'll check it out using the google
> code search tool<
http://www.google.com/codesearch?hl=en&lr=&q=lang%3Ar+&sbtn=Search>(although
> I usually have a hard time making sense of that code).

The source is available in

https://svn.r-project.org/R/trunk/src/library/utils/R/sourceutils.R

Duncan Murdoch

> Please let me briefly clarify this part:
>
> > But it can. If you open a script and choose save, it will be saved to the
> > same place.
> >
>
> I just mean that when you do "save as..." R doesn't seem to use the same
> information that it uses during a normal save (the directory or script
> name). In other applications like Microsoft Word, or Python's IDLE (screen
> shot attached) the user is shown a dialogue box with the file name in the
> current directory of that file.
>
> This is a very minor annoyance though. I only brought it up because I
> thought it would be easier to explain than asking about a function that
> would do the job of "getSrcFilename", which is really what I was after.
>
> I rarely upgrade my R versions, but this will definitely be an occasion when
> I do!
>
> This makes me want to go back and look at the past release notes to see what
> other goodies I've been overlooking.
>
> Thanks again,
>
> Gene
>
>
>
> On Mon, Mar 14, 2011 at 8:17 PM, Duncan Murdoch<murdoch.duncan_at_gmail.com>wrote:
>
> > On 11-03-14 8:12 PM, Gene Leynes wrote:
> >
> >> Yes, I understand. Normally I use Eclipse, which does what I want for
> >> "save as..."
> >>
> >> The bigger issue is that R can't tell the location of an open script,
> >> which makes it harder to create new versions of existing work....
> >>
> >
> > But it can. If you open a script and choose save, it will be saved to the
> > same place. Or do you mean an executing script? There are indirect ways to
> > find the name of the executing script. For example,
> > in R-devel (to become 2.13.0 next month), you can do this:
> >
> >
> > cat("This file is ", getSrcFilename(function(){}, full=TRUE), "\n")
> >
> > The getSrcFilename() function will be new in 2.13.0. You can do the same
> > in earlier versions, but you need to program it yourself.
> >
> > Duncan Murdoch
> >
> >
> >
> >
> >
> >> Say you have some great analysis going in "Research 2011-01-01" with a
> >> folder for data, code, gui, other languages, excel, whatever else.
> >>
> >> Then you want to make a new folder for Research 2011-01-02" with the
> >> same structure.
> >>
> >> Making sure that you're setting the right directory in the new version
> >> adds a layer of complexity which would be nice to avoid. It would be
> >> really nice to just copy the folders, and let the script detect it's own
> >> location so that it could read from the data sub-directory, the gui's
> >> sub-directory, etc. What I want to be able to do is copy the tools I
> >> create into different client folders so that anyone can just use the
> >> tool without changing the source code.... which is simple for you or I,
> >> but prevents newcomers from using the tools.
> >>
> >> Apparently I'm in the minority on the next part: but the "save as" thing
> >> I was describing before seems very strange to me. As I teach new people
> >> R it's always kind of a hangup that requires a little more explanation,
> >> but maybe it's the way I'm looking at it.
> >>
> >> Thanks for your reply Duncan.
> >>
> >>
> >> On Mon, Mar 14, 2011 at 6:57 PM, Duncan Murdoch
> >> <murdoch.duncan_at_gmail.com<mailto:murdoch.duncan_at_gmail.com>> wrote:
> >>
> >> On 11-03-14 5:03 PM, Gene Leynes wrote:
> >>
> >> As much as I love R, there are still the occasional shortcomings.
> >>
> >> I would love to find a solution to the "save as..." problem.
> >>
> >> Steps to reproduce the problem:
> >>
> >> 1. Open any version of he R GUI in Windows
> >> 2. Choose "File> Open" from the menu
> >> 3. Open a script that is in a different directory
> >> 4. Choose "File> Save As" from the menu
> >>
> >>
> >> In just about any other application you would be presented with
> >> a GUI
> >> showing the current folder of the script and the current name of
> >> the
> >> script. You could then edit the name and save.
> >>
> >> In R, you have to find the directory of the script and the
> >> script name. It
> >> can be annoying from a GUI perspective, especially if you
> >> typically work in
> >> one directory and store your scripts somewhere else, and the
> >> problem is
> >> worse when you have many script versions or directories.
> >>
> >> I know there are many ways to work around this issue.
> >> I also know about the batch file project.
> >>
> >> However, it seems like this is something that users shouldn't
> >> *need* to work
> >> around.
> >>
> >> I think this is related to the fact that R has no way of knowing
> >> the
> >> location of any open script file.
> >> (Please correct me if I'm wrong about that last part! )
> >>
> >> I think this has come up before, but I couldn't find it in my
> >> searches.
> >> Is this a problem for other users as well?
> >> Should I post this to the development list?
> >> Is this change known to be possible / impossible?
> >> Can I help make the change?
> >>
> >>
> >> I think it's simply a matter of different working patterns. R
> >> offers the current working directory to save into. For some people,
> >> that's fine. Others (like you) want some other default.
> >>
> >> I don't think we want to make the editor so elaborate that it caters
> >> to every taste. If you want a better editor, there are lots out
> >> there, including several that have good integration with R (Emacs,
> >> Eclipse, WinEdt, TinnR, etc.) I think it would be best to use one
> >> of those editors, customized to suit your needs.
> >>
> >> Duncan Murdoch
> >>
> >>
> >> Thanks
> >>
> >> Gene
> >>
> >> [[alternative HTML version deleted]]
> >>
> >> ______________________________________________
> >> R-help_at_r-project.org<mailto:R-help_at_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.
> >>
> >>
> >>
> >>
> >
>



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