[R] Silently loading an R package.

[Guillaume Yziquel]

Yihui Xie a écrit :
> please read the 'Details' section of ?require
> 
>      To suppress messages during the loading of packages use
>      'suppressPackageStartupMessages': this will suppress all messages
>      from R itself but not necessarily all those from package authors.
> 
> Regards,
> Yihui

Thank you so much...

Guillaume Yziquel.


> --
> Yihui Xie <xieyihui at gmail.com>
> Phone: 515-294-6609 Web: http://yihui.name
> Department of Statistics, Iowa State University
> 3211 Snedecor Hall, Ames, IA
> 
> 
> 
> On Fri, Nov 13, 2009 at 6:02 PM, Guillaume Yziquel
> <guillaume.yziquel at citycable.ch> wrote:
>> Hello.
>>
>> I've been working an a binding between OCaml and R (i.e. calling R from
>> OCaml, mostly). See below for a taste of it.
>>
>> I'm currently wondering how to load a given R package silently. I tried
>>
>>        require(xts, quietly = TRUE)
>>
>> but I still get some ugly output. Is it possible to squeeze off this output
>> on stdout?
>>
>> All the best,
>>
>> Guillaume Yziquel.
>>
>>
>>> yziquel at seldon:~$ ocaml-batteries        Objective Caml version 3.11.1
>>>
>>>      _________________________________
>>>     |       | |                       |
>>>    [| +     | | Batteries Included  - |
>>>     |_______|_|_______________________|
>>>      _________________________________
>>>     |                       | |       |
>>>     | -    Type '#help;;'   | |     + |]
>>>     |_______________________|_|_______|
>>>
>>>
>>> # #require "R.interpreter";;
>>> # R.sexp "require(xts)";;
>>> Le chargement a nécessité le package : xts
>>> Le chargement a nécessité le package : zoo
>>>
>>> Attachement du package : 'zoo'
>>>
>>>
>>>        The following object(s) are masked from package:base :
>>>
>>>         as.Date.numeric
>>> xts now requires a valid TZ variable to be set
>>>  no TZ var is set, setting to TZ=GMT
>>> - : R.sexp = <abstr>
>>> #
>> --
>>     Guillaume Yziquel
>> http://yziquel.homelinux.org/

-- 
      Guillaume Yziquel
http://yziquel.homelinux.org/