R-beta: Question

[Wentao Gu]

Hi,

I'm a starter of R, and met some problems in using it. Now I use the 
Solaris version 0.61.3 (There's a newer official release version 0.62.1 
in the R site, but its installation requires fortran program which is 
absent on my machine now). Would appreciate very much if you could help 
me solve them.

1) We can run an R script from the Unix command line, for example,
     $ R < test.r
But all the running procedure will be displayed on the screen step by 
step. I don't like it, since sometimes I only care for the result. If we 
run the R script in a loop statement of Unix Shell program, then it will 
display too much things. Can we avoid displaying these information? 
Previously I had used Splus, and it didn't do like this.

2) It seems that something is wrong with the Graphics window. Once 
another window overlap on the Graphics window, the objects in the 
overlapped part of the Graphics window will disappear forever, even 
after the overlapping window is moved away. It make the viewing very 
inconvenient.

3) Otherwise, we can write the graphics into a PostScript file. But it 
doesn't work either. After running:
   > postscript("test.ps")
I do the same plot operation as before, but after the operation the 
content of test.ps is empty. Why?

Thanks a lot for your help.

Wentao



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