content: on adding folder items to theAttachedFolder after receiving theNewItems
  	tell application "Finder"
  		set all_files to every item of theNewItems as list
  		repeat with index from 1 to the count of all_files
  			set this_file to item index of all_files
  			set this_file_name to name of (info for this_file)
  			set this_file_ext to name extension of (info for this_file)
  			set ignore_ext to "part download"
  			if (ignore_ext does not contain this_file_ext) then
  				-- 쉘 스크립트 경로 수정 (/path/to/rename_utf8.sh)
  				set new_file_name to do shell script "/path/to/rename_utf8.sh \"" & this_file_name & "\""
  				if (this_file_name is not new_file_name) then
  					if exists file (theAttachedFolder & new_file_name as string) then
  						set i to 1
  						repeat while i > 0
  							set temp_file_name to i & "_" & new_file_name as string
  							if exists file (theAttachedFolder & temp_file_name as string) then
  								set i to i + 1
  							else
  								set the name of this_file to temp_file_name
  								exit repeat
  							end if
  						end repeat
  					else
  						set the name of this_file to new_file_name
  					end if
  				end if
  			end if
  		end repeat
  	end tell
  end adding folder items to
  