摘要: 1 grep 1.1 1.2 //查看cat grep -e "\bcat\b" 1.txt //查看""中内容 ".+" ==> grep -e '".\+"' 1.txt 阅读全文
posted @ 2020-03-28 09:25 水底的土豆 阅读(115) 评论(0) 推荐(0)