[R] windows vs. linux code

Sherri Heck sheck at ucar.edu
Thu Feb 26 06:18:56 CET 2009


hi ted-

thanks for your insight. i appreciate it.

sherri

(Ted Harding) wrote:
> There is one MAJOR issue you will have to watch out for, far more
> likely to turn up than calls like system().
>
> This is that, if you want to have two or more plotting windows
> in use at the same time, while the first one is autoatically
> opened by the plot() command, you will have to open additional
> ones explcitily.
>
> In Linux, the command is X11() [possibly with paramaters, though
> usually you don't need to bother].
>
> In Windows, it is windows() [ditto].
>
> I run R on Linux, so use the X11() command. However, If I write
> a script which would also be run on a Windows system, I write
> using windows() in the first instance, but with a conditional
> "alias" to X11():
>
>  if(length(grep("linux",R.Version()$os))){
>   windows <- function( ... ) X11( ... )
> }
>
> and put this at the beginning of the code file. Then, if the code
> is run on a Windows machine, the function call windows() does the
> Windows thing; but if the code is run on Linux then the above test
> detects that, and defines a function windows() which does the same
> as X11().
>
> Ted.
>
> On 26-Feb-09 01:25:36, Sherri Heck wrote:
>   
>> i am asking if, in general, r code can be written on a linux-based 
>> system and then run on a windows-based system. 
>>
>> Rolf Turner wrote:
>>     
>>> On 26/02/2009, at 2:08 PM, Sherri Heck wrote:
>>>
>>>       
>>>> Dear All-
>>>>
>>>> I have been given some Rcode that was written using a Linux OS, but I
>>>> use Windows-based R.  The person that is giving it to me said that it
>>>> needs to run on a Linux system.  Does anyone have any insight and/or
>>>> can
>>>> verify this.  I haven't yet obtained the code, so I haven't been able
>>>> to
>>>> try it yet.
>>>>         
>>> Despite the knowledge, wisdom, insight, skill, good looks, and other
>>> admirable characteristics of the members of the R-help list, few of
>>> us are skilled in telepathy or clairvoyance.
>>>
>>>     cheers,
>>>
>>>         Rolf Turner
>>>
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>
> --------------------------------------------------------------------
> E-Mail: (Ted Harding) <Ted.Harding at manchester.ac.uk>
> Fax-to-email: +44 (0)870 094 0861
> Date: 26-Feb-09                                       Time: 03:58:35
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