set tgt_file to "ssw" & (getTimeStamp() as string) & ".png"
-- 出力するファイル名を「sswyyyymmddhhmmss.png」に。

do shell script "screencapture -iS ~/Desktop/" & tgt_file
-- ウィンドウを選択してチャプチャーし、上記のファイル名で出力。



on getTimeStamp()
	set localdate to (current date)
	set y to year of localdate as number
	set m to month of localdate as number
	set d to day of localdate as number
	set h to hours of localdate as number
	set mi to minutes of localdate as number
	set ss to seconds of localdate as number
	
	set msg to y & m & d & h & mi & ss
end getTimeStamp

-- Snow Leopard, Mac OS X 10.6