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Dear all, I have a question about "par" options. When I choose par(pty="s",mfrow=c(2,2)), how can I change the horizontal distance between the plots???? I have tried to use some options, like "mai", "mar", "oma", "omd", so on but I didn''t get the expected result. Some suggest will be appreciated. JM.

Hi, I''m trying to automate the conversion of a PDF document received via a browser upload to a tiff image via ghostscript. I have the PDF data in a string, and I need the tiff data returned into a string. The general command I want to emulate is: type test.pdf | "c:\program files\gs\gs8.56\bin\gswin32c.exe" -q -dNOPAUSE -dBATCH -sDEVICE=tiffg4 -sOutputFile=- > test5.tiff