CUPS-Printing - fit to page?

Hi,

i want to print pdf-files from a folder per shell-script.
How can i specify the print-options?
The pdf-files are A3 and the printer only have A4 paper. How can i print “fit to page”?

Please help me! :cry:
Many thanks!!!


on adding folder items to this_folder after receiving these_items
	try
		tell application "Finder"
			repeat with i from 1 to number of items in these_items
				try
					set this_item to item i of these_items
					set the path_string to this_item as string
					set the final_path to POSIX path of the path_string
					do shell script "/usr/bin/lp '" & final_path & "'"
				on error error_message
					tell application "Finder"
						display dialog "Error for item " & (this_item as string) ¬
							& ": " & error_message buttons {"Continue", "Cancel"} ¬
							default button 1 giving up after 120
					end tell
				end try
			end repeat
		end tell
	on error error_message
		tell application "Finder"
			display dialog error_message buttons {"Cancel"} ¬
				default button 1 giving up after 120
		end tell
	end try
end adding folder items to