> But up-arrow, ctrl-A then "z <-" is not much less convenient, is it?
I didn't know that ctrl-A would bring me to the start of the line, nor that ctrl-E would bring me to the end. Thanks. Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com > -----Original Message----- > From: peter dalgaard [mailto:pda...@gmail.com] > Sent: Friday, July 05, 2013 11:25 AM > To: William Dunlap > Cc: Barry Rowlingson; R-devel > Subject: Re: [Rd] should the text for RIGHT_ASSIGN be -> in getParseData()? > > > On Jul 5, 2013, at 18:59 , William Dunlap wrote: > > >> Is there any reason right-assign with "->" still exists? How much > >> code on CRAN uses it, and how trivially could it be excised? > > > > I use '->' a lot when doing interactive work. I often first run a command > > to see its printed output then decide that I had better save its value. > > The up-arrow key gives me the previous command line with the cursor placed > > at the > > end of the line so adding '-> z' at the end of the line is convenient. > > (Not using the up-arrow key and doing 'z <- .Last.value' also works, but > > I don't like its context sensitivity.) > > But up-arrow, ctrl-A then "z <-" is not much less convenient, is it? > > I have used in with multi-line input, occasionally, though. As in > > replicate(10000, { > ysim <- rbinom(length(p), n, p) > glm(cbind(ysim, n - ysim) ~ x, binomial)$deviance > }) > > ... and then you realize that you probably don't want to look at 10000 > simulated > deviances and add "-> simDev". > > > > > I never use '->' when writing code in a file, so you would have to search > > my .Rhistory files, not my *.R files, for evidence of its usefulness to me. > > > > Bill Dunlap > > Spotfire, TIBCO Software > > wdunlap tibco.com > > > > > >> -----Original Message----- > >> From: r-devel-boun...@r-project.org [mailto:r-devel-boun...@r-project.org] > >> On > Behalf > >> Of Barry Rowlingson > >> Sent: Friday, July 05, 2013 9:29 AM > >> To: Duncan Murdoch > >> Cc: R-devel > >> Subject: Re: [Rd] should the text for RIGHT_ASSIGN be -> in getParseData()? > >> > >> On Fri, Jul 5, 2013 at 12:57 PM, Duncan Murdoch > >> <murdoch.dun...@gmail.com> wrote: > >> > >>> R itself doesn't make use of the text column, it's for display of code > >>> by highlighters etc. So if anyone does assume text is a function name, > >>> it's their bug, not ours. In fact, the bug is already there, because > >>> there is actually one other example which was being parsed properly, > >>> "**" is translated to "^". There's no `**` function, but 2**3 works. > >> > >> Is there any reason right-assign with "->" still exists? How much > >> code on CRAN uses it, and how trivially could it be excised? Can we > >> also have 'up assign' and "down assign" so I can do: > >> > >>> 3 > >>> x -^ > >>> x -v > >>> 4 > >> > >> - they make just as much sense. > >> > >> Okay, lets see all the edge cases..... > >> > >> Barry > >> > >> ______________________________________________ > >> R-devel@r-project.org mailing list > >> https://stat.ethz.ch/mailman/listinfo/r-devel > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > -- > Peter Dalgaard, Professor, > Center for Statistics, Copenhagen Business School > Solbjerg Plads 3, 2000 Frederiksberg, Denmark > Phone: (+45)38153501 > Email: pd....@cbs.dk Priv: pda...@gmail.com > > > > > > > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel