The GREP_V1 of Linux commands

1, the purpose of the command: used to search for text or a specified file in the specified string or pattern matches the line, the default is to display only matching rows.

2. Common parameters:

-I ignores case

-E matches multiple styles

-R or-R recursive search

-L OUTPUT The file name of the matching row

-W force matches the specified string

The number of times that the-C statistic matches

-N Displays the line number of the line that matches to

-V opposite match output

--include contains a lookup for some file types

--exclude exclude certain file types from finding

--color will match to the color to mark out

3, the command usually with the regular expression, pipe symbol "|" Use, play a powerful effect.

4. Example (Update supplement):

Eg1:cat Scarecrow >test.txt | Grep-e "Care"-e "crow"

Eg2:grep "Main ()". -R--include *. {C,cpp,py}

This article is from the "learning diligence for the Boat" blog, please be sure to keep this source http://bluecountry.blog.51cto.com/9602056/1690010

The GREP_V1 of Linux commands