[R-SIG-Mac] Start R with --save?

Byron Ellis ellis at stat.harvard.edu
Fri Jul 14 07:19:14 CEST 2006

I would vote for a preference option, because I actually like the  
opposite behavior (--no-save) by default :-)

On Jul 13, 2006, at 8:42 PM, Simon Urbanek wrote:

> On Jul 13, 2006, at 7:10 PM, Duncan Murdoch wrote:
>> I am not sure if the command line arg --save is supposed to be
>> supported
>> by R.app,
> No, it's not supposed to be supported. R.app ignores all command line
> arguments, because it assumes that it was started using LS (which
> supply their own special arguments). The command-line R of course
> supports all arguments as documented, but it has nothing to do with
> R.app.
> As a matter of fact R.app starts R with --no-save --gui=cocoa, but
> R.app sets SaveAction to SA_SAVEASK during initialization but after
> parsing of arguments. The quit dialog is handled via
> windowShouldClose: message instead.
> This is not set in stone - just the status-quo.
>> but it doesn't
>> work.  When I start R from a Terminal command line with command line
>> option  --save:
>> /Applications/R.app/Contents/MacOS/R --save
> This is not the way to start R from the command line - for the GUI  
> it's
> open R.app
> also note that LS send "arguments" such as files to open via Apple
> Events and not via command line (e.g. open -a R.app fool.R does not
> result in .../MacOS/R foo.R)
> For the console version it's
> R
> (or more precisely /Library/Frameworks/R.framework/Resources/bin/R if
> the user removed the convenience softlink for some reason).
>> instead of a silent save, I get the Unix-style prompt in the console:
>> Save workspace image? [y/n/c]:
>> If this isn't the way to specify that I want an automatic save,
>> what is?
> The GUI has currently no way to specify automatic save. One option
> would be to add a preferences setting (probably the most native way),
> others include environment option or command-line arguments. As I was
> saying earlier, the problem with command-line arguments is that they
> cannot be used with LS, and manual startup without LS is not a
> supported way (it works for now, but at times there were problems
> with it, because the system settings are entirely different for an
> application started w/o LS).
> I guess the reason why this didn't come up in practice is that the
> GUI has an integrated editor, so there is no such thing as --save,
> because you still need to specify filenames for unsaved untitled
> files, decide what to do with unsaved changes etc., so --save may be
> potentially confusing.
> Nevertheless, I'm open to any requests - a modification it pretty
> easy to implement.
> Cheers,
> Simon
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Byron Ellis (ellis at stat.harvard.edu)
"Oook" -- The Librarian

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