Linux命令之grep

2018-3-22 diaba Linux

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。

标签: grep

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