![]() To List Filenames That Matches Specific Pattern This command will exclude all the lines that contain the string linux: file1.txt:i love tecadmin You can use grep command with -v option to print all lines that do not match a specific pattern of characters.įor example, print all lines that don’t contain the string linux in file1.txt and file2.txt, run the following command: grep -v linux file1.txt file2.txt This command will print all lines that contain a word linux in all files in the current directory and sub-directories: file1.txt:tecadmin is a popular linux blogįile3.txt:Ubuntu is a linux operating system To search for a string linux in all files in the current directory and sub-directories, run the following command: grep -r linux *.This command will print all lines that contain a word linux in file1.txt and file2.txt: file1.txt:tecadmin is a popular linux blogįile2.txt:Linux is an open-source operating system.įile2.txt:linux is made by linus torvalds.įile2.txt:linux is most popular operating system. To search for a string linux in file file1.txt and file2.txt, run the following command: grep -i linux file1.txt file2.txt.To Search a Specific String in Multiple File This command will print all lines that contain a word tecadmin case insensitively: tecadmin is a popular linux blog ![]() To search for a string tecadmin case insensitively in the file file1.txt, run the following command: grep -i tecadmin file1.txt.This command will print all lines that contain a whole word tecadmin: tecadmin is a popular linux blog To search for an exact string tecadmin in the file file1.txt, run the following command: grep -w tecadmin file1.txt.This command will print all lines that contain a word tecadmin: tecadmin is a popular linux blog To search for a string tecadmin in the file file1.txt, run the following command: grep tecadmin file1.txt.A system running the Linux operating system.In this tutorial, we will show you how to use the Grep command with some practical examples. ![]()
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