[Plr-general] Devices don't start

[frederick deslandes]

This works just fine from my linux installation [ note, the only change
> is the path given to pdf() ]
>
>  CREATE OR REPLACE FUNCTION f_graph()
>  RETURNS text AS
> $BODY$
> my_var <<- pg.spi.exec ('select x as "my a" ,y as "my b" from qa_r_graph 
> order by x,y');
> pdf("/tmp/myplot.pdf");
> plot(my_var,type="l",main="Graphics Demonstration",sub="Line Graph");
> dev.off();
> print("done");
> $BODY$
>  LANGUAGE 'plr' VOLATILE;
>
>
> Perhaps the issue is that C:/ needs to be escaped? 
>   
I found the problem.  It seem that pl/r cannot write to C:/ under 
windows Xp.( The R console can do it).  So pdf("C:/myplot.pdf") won't 
work while pdf("C:/myplots/myplot.pdf") will work ( I had to remove a 
read-only property from the folder though)

Thanks for your help.