From rowe at muxspace.com  Sat Jul  6 01:42:46 2013
From: rowe at muxspace.com (Brian Lee Yung Rowe)
Date: Fri, 5 Jul 2013 19:42:46 -0400
Subject: [Rd] should the text for RIGHT_ASSIGN be -> in getParseData()?
In-Reply-To: <E66794E69CFDE04D9A70842786030B931C31A14B@PA-MBX01.na.tibco.com>
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That is a more accurate statement regarding Ctrl-K. Nonetheless whatever is killed can be yanked back via Ctrl-Y, so the effect emulates cutting and pasting. I am also a vi user, but these four basic emacs bindings seem to perennially haunt numerous terminal apps. 

?????
Brian Lee Yung Rowe
917 496 4583


On Jul 5, 2013, at 3:53 PM, William Dunlap <wdunlap at tibco.com> wrote:

> Ctrl-K is delete from here to end of line on Linux-comand-line and Windows-GUI R.
> (My fingers are not nimble enough for emacs, I'll stick with vi.)
> 
> Bill Dunlap
> Spotfire, TIBCO Software
> wdunlap tibco.com
> 
> 
>> -----Original Message-----
>> From: Brian Lee Yung Rowe [mailto:rowe at muxspace.com]
>> Sent: Friday, July 05, 2013 12:11 PM
>> To: William Dunlap
>> Cc: peter dalgaard; R-devel; Barry Rowlingson
>> Subject: Re: [Rd] should the text for RIGHT_ASSIGN be -> in getParseData()?
>> 
>> Here are two more standard emacs bindings that work:  Ctrl-K to cut and Ctrl-Y to paste.
>> 
>> ?????
>> Brian Lee Yung Rowe
>> 917 496 4583
>> 
>> 
>> On Jul 5, 2013, at 2:32 PM, William Dunlap <wdunlap at tibco.com> wrote:
>> 
>>>> 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:pdalgd at 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-bounces at r-project.org [mailto:r-devel-bounces at 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.duncan at 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 at r-project.org mailing list
>>>>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>>>> 
>>>>> ______________________________________________
>>>>> R-devel at 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.mes at cbs.dk  Priv: PDalgd at gmail.com
>>> 
>>> ______________________________________________
>>> R-devel at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-devel



[Rd] should the text for RIGHT_ASSIGN be -> in getParseData()?
Brian Lee Yung Rowe