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PUB:20151127 Linux or UNIX grep Command Tutorial series 4--Grep Count Lines If a String or Word Matches

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translated/tech/Linux or UNIX grep Command Tutorial series/20151127 Linux or UNIX grep Command Tutorial series 4--Grep Count Lines If a String or Word Matches.md → published/20151127 Linux or UNIX grep Command Tutorial series 4--Grep Count Lines If a String or Word Matches.md
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Grep 命令统计匹配的字符串/单词行数
grep 命令系列：用 grep 命令统计匹配字符串的行数
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在 Linux 或 UNIX 操作系统下，对于给定的单词或字符串，我们应该怎么统计它们在每个输入文件中存在的行数呢？
您需要通过添加 -c 或者 --count 选项参数来抑制正常的输出。它将会显示对输入文件单词匹配的行数，如下示：
您需要通过添加 -c 或者 --count 选项参数来抑制正常的输出。它将会显示对输入文件单词匹配的行数，如下所示：
$ grep -c vivek /etc/passwd
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作者：Vivek Gite
译者：[runningwater](https://github.com/runningwater)
校对：[校对者ID](https://github.com/校对者ID)
校对：[wxy](https://github.com/wxy)
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