[ESS] cat a "\n" when ess-eval-visibly-p is nil?

[Feng Li]

Good job! Thanks a lot:)

Feng

On 10/20/2011 06:47 PM, Vitalie Spinu wrote:
> Hi Feng,
>
> That has been annoying me for years, but it never occurred to me to
> try to do something about it.
>
> I have just implemented this (very) desirable behavior in ess-tracebug
> (http://code.google.com/p/ess-tracebug/).
>
> Executing
>
> head(iris)
> str(iris)
> system.time(Sys.sleep(1))
>
> outputs:
>
>>
>    Sepal.Length Sepal.Width Petal.Length Petal.Width Species
> 1          5.1         3.5          1.4         0.2  setosa
> 2          4.9         3.0          1.4         0.2  setosa
> 3          4.7         3.2          1.3         0.2  setosa
> 4          4.6         3.1          1.5         0.2  setosa
> 5          5.0         3.6          1.4         0.2  setosa
> 6          5.4         3.9          1.7         0.4  setosa
>>
> 'data.frame':	150 obs. of  5 variables:
>   $ Sepal.Length: num  5.1 4.9 4.7 4.6 5 5.4 4.6 5 4.4 4.9 ...
>   $ Sepal.Width : num  3.5 3 3.2 3.1 3.6 3.9 3.4 3.4 2.9 3.1 ...
>   $ Petal.Length: num  1.4 1.4 1.3 1.5 1.4 1.7 1.4 1.5 1.4 1.5 ...
>   $ Petal.Width : num  0.2 0.2 0.2 0.2 0.2 0.4 0.3 0.2 0.2 0.1 ...
>   $ Species     : Factor w/ 3 levels "setosa","versicolor",..: 1 1 1 1
> 1 1 1 1 1 1 ...
>> +
>     user  system elapsed
>    0.004   0.000   1.001
>>
>
> instead of the default
>
>>>    Sepal.Length Sepal.Width Petal.Length Petal.Width Species
> 1          5.1         3.5          1.4         0.2  setosa
> 2          4.9         3.0          1.4         0.2  setosa
> 3          4.7         3.2          1.3         0.2  setosa
> 4          4.6         3.1          1.5         0.2  setosa
> 5          5.0         3.6          1.4         0.2  setosa
> 6          5.4         3.9          1.7         0.4  setosa
>> 'data.frame': 150 obs. of  5 variables:
> $ Sepal.Length: num  5.1 4.9 4.7 4.6 5 5.4 4.6 5 4.4 4.9 ...
> $ Sepal.Width : num  3.5 3 3.2 3.1 3.6 3.9 3.4 3.4 2.9 3.1 ...
> $ Petal.Length: num  1.4 1.4 1.3 1.5 1.4 1.7 1.4 1.5 1.4 1.5 ...
> $ Petal.Width : num  0.2 0.2 0.2 0.2 0.2 0.4 0.3 0.2 0.2 0.1 ...
> $ Species     : Factor w/ 3 levels "setosa","versicolor",..:
>>     user  system elapsed
>   0.000   0.000   1.003
>
>
> Here is how to do it if you are not using ess-tracebug:
>
> (defun inferior-ess-output-filter (proc string)
>    (let ((pbuf (process-buffer proc))
>          (pmark (process-mark proc))
>          (prompt-regexp "^>\\( [>+]\\)*\\( \\)$")
>          (prompt-replace-regexp "^>\\( [>+]\\)*\\( \\)[^>+\n]"))
>      (setq string (replace-regexp-in-string prompt-replace-regexp " \n"
> string nil nil 2))
>      (with-current-buffer pbuf
>        (goto-char pmark)
>        (beginning-of-line)
>        (when (looking-at prompt-regexp)
>          (goto-char pmark)
>          (insert "\n")
>          (set-marker pmark (point)))
>        ))
>    (comint-output-filter proc (inferior-ess-strip-ctrl-g string)))
>
> This is R specific and might interfere with other languages.
>
> Cheers,
> Vitalie.
>
>
> On Wed, Oct 19, 2011 at 8:18 PM, Feng Li<m at feng.li>  wrote:
>> Hi folks,
>>
>> Is it possible to cat a newline (\n) after each evaluation when
>> ess-eval-visibly-p is nil ? It does not look nice if I have the print or cat
>> function in my code. See this example of output with ESS 5.14,
>>
>>>> + + + + + + + + + + + + + + + + + + + +>  >      user  system elapsed
>>   1.528   0.012   1.548
>>
>> I would like to have something like
>>
>>>> + + + + + + + + + + + + + + + + + + + +>  >
>>    user  system elapsed
>>   1.528   0.012   1.548
>>
>> Thanks!
>>
>>
>>
>> Feng
>>
>> --
>> Feng Li
>> Department of Statistics
>> Stockholm University
>> 106 91 Stockholm, Sweden
>> http://feng.li/
>>
>> ______________________________________________
>> ESS-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/ess-help
>>
>
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>

-- 
Feng Li
Department of Statistics
Stockholm University
106 91 Stockholm, Sweden
http://feng.li/