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shell脚本-正则、grep、sed、awk三剑客
source link: http://down.51cto.com/data/2457010
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在企业工作中，每天做的Linux运维工作中，时刻都会面对大量带有字符串的文本配置、程序、命令输出及日志文件等，而我们经常会有迫切的需要，从大量的字符串内容中查找符合工作需要的特定字符串。这就需要正则表达式，因此，可以..
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