[R] system() how to make a program run a specific file - RUN and Output directory issues

Uwe Ligges ligges at statistik.tu-dortmund.de
Wed Jul 8 23:19:24 CEST 2009



Paulo E. Cardoso wrote:
> I have a particular case where the program I'm calling needs a additional
> instructions, to click a RUN button and set a output directory. Could these
> options be controlled with system() function?


system() just calls the program as started from the operating system's 
command line (or under Windows without an underlying shell). That 
implies that it cannot press buttons, you can "only" specify command 
line flags, if the program you are talking about accepts these ...

Uwe Ligges




> ____________
> Paulo E. Cardoso
> 
> 
>> -----Mensagem original-----
>> De: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
>> Em nome de Paulo E. Cardoso
>> Enviada: quarta-feira, 8 de Julho de 2009 12:08
>> Para: r-help at r-project.org
>> Cc: r-help at stat.math.ethz.ch
>> Assunto: Re: [R] system() how to make a program run a specific file
>>
>> After all it's very easy:
>>
>> system(paste('"C:\\Program Files
>> (x86)\\IrfanView\\i_view32.exe"','A:\\test.jpg'))
>>
>> ____________
>> Paulo E. Cardoso
>>
>>
>>> -----Mensagem original-----
>>> De: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
>> project.org]
>>> Em nome de Paulo E. Cardoso
>>> Enviada: quarta-feira, 8 de Julho de 2009 10:59
>>> Para: r-help at r-project.org
>>> Cc: r-help at stat.math.ethz.ch
>>> Assunto: [R] system() how to make a program run a specific file
>>>
>>> I'd like to know how to call a program to run or open a specific
>> file.
>>>
>>>
>>> something like this:
>>>
>>> system('"C:\\Program Files (x86)\\IrfanView\\i_view32.exe"','-A:\\
>>> teste.jpg') is not working.
>>>
>>>
>>>
>>> any help will be appreciated
>>>
>>> ____________
>>>
>>> Paulo E. Cardoso
>>>
>>>
>>>
>>>
>>> 	[[alternative HTML version deleted]]
>>>
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>> ______________________________________________
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>> PLEASE do read the posting guide http://www.R-project.org/posting-
>> guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>> Checked by AVG - www.avg.com
>> Version: 8.5.375 / Virus Database: 270.13.8/2223 - Release Date:
>> 07/07/09 17:54:00
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.




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