If you want to print lines before and after altogether, then you use the-Cflag and specify the number of lines to print as shown here: grep -C <number_of_lines> PATTERN Filename Let's say I want to display 1 line before and 1 line after the matching pattern line, then I will be...
Display N Lines After Match 比赛结束后显示N行 比赛前后显示N行(Display N Line Before and After Match) Now we will provide both parameters to the -Context where before and after line numbers will be provided. In this example we will print 1 lines before match and 2 lines after match in a...
Show lines before and after If you need a little more context to the grep output, you can show one line before and after your specified search string with the -c switch: $ grep -c 1 string filename Specify the number of lines you wish to show – we did only 1 line in this example...
The grep allows us to print the number of lines before every match. To show the number of lines before every match, use–Boption. For example, following command shows 2 lines before every match. #grep –B 2 "DocumentRoot" /etc/httpd/conf/httpd.conf How to print next lines after eve...
grep searches the named input FILEs for lines containing a match to the given PATTERN. If no files are specified, or if the file “-” is given, grep searches standard input. By default, grep prints the matching lines. grep在命名的输入文件中搜索与给定模式匹配的行。如果没有指定文件,或者给...
The command example combines-nfor line numbers with-C 2to display two lines before and after each match for theransomwarepattern inexample_file1.txt. Search for Multiple Patterns Use the-eoption to search formultiple patterns in a single grep command: ...
Grepz is a versatile command-line tool for searching and highlighting specific terms or regex in a text file. Its customizable color options and ability to display lines before and after a match provide context, and it also offers a special reporting mod
6. Displaying lines before/after/around the match using grep -A, -B and -C When doing a grep on a huge file, it may be useful to see some lines after the match. You might feel handy if grep can show you not only the matching lines but also the lines after/before/around the matc...
Grep command can also print n number of lines before and after matching the pattern using-Band-Aoptions respectively. a) Print four lines before pattern matching $ grep -B 4 "games" /etc/passwd b) Print four lines after pattern matching, use -A option in grep command ...
6.2 Display N lines before match -B is the option which prints the specified N lines before the match. Syntax: grep -B <N> "string" FILENAME When you had option to show the N lines after match, you have the -B option for the opposite. ...