text search

How grep Became an Efficient Tool for Text Search in Linux

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When faced with hundreds of lines of log files, how can you quickly locate key error messages? When you need to filter valid content from a large number of configuration files, how can you avoid the tediousness of line-by-line searching? The Linux command we are introducing today—grep—is an efficient tool that solves these problems. Known … Read more

Detailed Explanation of the Linux grep Command

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Detailed Explanation of the Linux grep Command

(Click the public account above to quickly follow) Source:ggjucheng Link: http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2856896.html Introduction grep (global search regular expression (RE) and print out the line) is a powerful text search tool that can search text using regular expressions and print out the matching lines. The grep family in Unix includes grep, egrep, and fgrep. The commands egrep … Read more