Re: [R] filename

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Tue 10 May 2005 - 20:56:36 EST

Lars wrote:

> Hey,
>
> I'm generating a .jpeg file for a web application passing parameters to
> R via cgi. R gets the parameters by using commandArgs, which are passed
> to a variable named j and z
>
> j<-commandArgs()[3]
> z<-commandArgs()[4]
>
> Later I want to use the characters strings of the argument which the
> variables are holding for my filename, e.g.:
>
> jpeg(file="d:/data/images/jz.jpeg",...)

If j contains the name for the file,
jpeg(file=j, ...)
should work. I guess you do not have jpeg support if calling your script in non-interactive mode, because you need X11 active. See ?jpeg.

Uwe Ligges

> i tried to use paste and as.character, but neither worked out the way i
> want it to.
>
> thanks for any advice, Lars Claussen
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue May 10 21:00:10 2005

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