This example instructs grep to only look through all. $ grep -Rinw ~/bin/ -e 'check_root'Īssuming there are several types of files in a directory you wish to search in, you can also specify the type of files to be searched for instance, by their extension using the -include option. If you want to know the exact line where the string of text exist, include the -n option. To ignore case distinctions employ the -i option as shown: $ grep -Riw ~/bin/ -e 'check_root' ![]() You should use the sudo command when searching certain directories or files that require root permissions (unless you are managing your system with the root account). ![]() Where the -R option tells grep to read all files under each directory, recursively, following symbolic links only if they are on the command line and option -w instructs it to select only those lines containing matches that form whole words, and -e is used to specify the string (pattern) to be searched. The command below will list all files containing a line with the text “ check_root”, by recursively and aggressively searching the ~/bin directory. Read Also: 11 Advanced Linux ‘Grep’ Commands on Character Classes and Bracket Expressions ![]() This article will guide you on how to do that, you will learn how to recursively dig through directories to find and list all files that contain a given string of text.Ī simple way to work this out is by using grep pattern searching tool, is a powerful, efficient, reliable and most popular command-line utility for finding patterns and words from files or directories on Unix-like systems. Do you want to find all files that contain a particular word or string of text on your entire Linux system or a given directory.
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