The system will output the text after performing a recursive search. In this case: $ grep -R “mac OS” /home/Ubuntu | grep -v “exclude this” Next, type the following to exclude text using directories:.The Grep command can also be used to exclude words by specifying the directory.įollow these steps to exclude words by specifying directories: With the steps followed correctly, you should have successfully ignored the directories with the specified words.Įxcluding Words By Specifying Directories. The command makes use of the -R flag, which is used for recursive search and is necessary when searching through directories. It should be noted that there’s no need to specify the name of the file in this command. This will exclude the directory containing the file with the aforementioned string. You can achieve this by pressing Ctrl + Alt + T on the keyboard. When it finds a match in a line, it copies the line to standard output. Start by opening the Command Terminal. grep searches the input files for lines containing a match to a given pattern list.no-ignore-case: Do not ignore case distinctions in patterns and input data. To exclude directories using words, follow these steps: Typically PATTERNS should be quoted when grep is used in a shell command. These words, if found in a directory, will cause the entire directory to be excluded. You can achieve this by specifying certain words. You can also use the Grep command to exclude complete directories. This will proceed to remove the complete file from your system. Grep can also be used to ignore a complete file.įor this purpose, type the command as follow: $ grep - exclude “”.txt grep *.txt To make the text case-sensitive, include the -I flag. ![]() The syntax for the Grep command is as follows: $ grep Now that we’ve covered the prerequisites for the Grep command, it’s time to learn how to use it. However, the method shouldn’t be any different for other Linux distributions. If not, checking out this resource might be helpful.įor this guide, we’ll be using Ubuntu 20.04 LTS. If you have the GNU version of Grep available, you can proceed to the next step. This will display the version of Grep that’s available on your Linux distribution. However, you can check for its availability by typing the following command in the Terminal: $ grep -version Normally, the command is available for any Linux distribution. This guide will educate you all about the Grep command, its requirements, flags, and more.īefore using the Grep command, it’s important to see whether you have the GNU version of the command available. This allows for the efficient retrieval of data through text files. Grep allows you to exclude certain keywords, lines, and even directories during a scan. However, its usability has made it stand the test of time.ĭeveloped by Ken Thompson, Grep is a search-based utility that is used to find lines of text that are specified by the user. ![]() Global regular expression print, better known as Grep, is a Command-line tool that outdates Linux itself. Wondering how to exclude with Grep in Linux?
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