Do not show line haveing particular keyword by grep command

Generally we use grep command to get the lines which has particular line in a file.There is one more option in grep by which you will not get the lines in output which has some specific keyword or keywords.

To do not get lines in output with specific keywords by using grep command,use the given below syntax

In given below replace the keyword with your desired word which you do not want to show in output

(1) For single keyword in a file

grep -v keyword filename

(2) For multiple keyword in a file

grep -v 'keyword1|keyword2|keyword3|keywordN' filename

(3) For recursively search all files inside folders and its subfolders use-r option in grep command.

for single keyword

grep -r -v 'keyword' filename /absoulte-path-of-directory/*

for multiple keyword

grep -r -v 'keyword1|keyword2|keyword3|keywordN' absoulte-path-of-directory/*

Note: For insensitive case use -i option with all above examples.
eg.

grep -i -v wordpress filename 

Below is the reference of grep command