grep 同时满足多个关键字和满足任意关键字
grep 同时满足多个关键字和满足任意关键字
① grep -E "word1|word2|word3" file.txt
满足任意条件(word1、word2和word3之一)将匹配。
② grep word1 file.txt | grep word2 |grep word3
必须同时满足三个条件(word1、word2和word3)才匹配。
grep 同时排除多个关键字 请参考: http://www.cnblogs.com/smallrookie/p/7058278.html