[R] png() or jpeg() in a php script

Dieter Menne dieter.menne at menne-biomed.de
Wed Jun 21 15:06:40 CEST 2006

Angel Roman <aroman6 <at> gmail.com> writes:

> I've got a problem with a PHP script, in which I call the system function
> (to call another processes). The call is :
> system("R --slave --vanilla < path/to/source/source.R");

> but if I change the lines to:
>   png(file="/path/to/file/file.png");
>   commands
>   dev.off()
> (or with the jpeg() function)
> the files are not created. any help?

Try the following in your script to find out if you can create jpeg on your
operation system.



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