[R] creating a ps. file

[mike.campana@freesurf.ch]

Dear all

I wrote a routine. At the end of each cycle of the loop I would like to 
save the result (plot) in a postcriptfile.
Of course if I just use dev.print in the following way: 
dev.print(device=postcript, 'c:/Rfigures/plot_1.ps")
I overwrite my results with the second cycle of the loop. I suppose 
there is a way to define the file name so that several plots are 
created(plot_1,plot_2...).

Could you give me an advice? Thanks a lot

Best Regards 
Mike

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