shell瀹炵幇trim鍑芥暟锛嶅幓闄ゅ瓧绗︿覆涓や晶鐨勭┖鏍?鍖呮嫭tab,space閿?

Posted 2020-06-23

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sed 鈥榮/^\s*//鈥?totrim.txt |sed 鈥榮/\s*$//鈥?gt;trimed.txt
sed 鈥榮/^\s*//;s/\s*$//鈥?totrim.txt>trimed.txt
sed -e 鈥榮/^\s*//鈥?-e 鈥榮/\s*$//鈥?totrim.txt>trimed.txt

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