- #Grep command to find word in file how to#
- #Grep command to find word in file full#
- #Grep command to find word in file code#
The first part of the command looks for the word Walden in any files in the current directory, and the second runs another grep command on the results of the first command. You’d use this command: grep Walden * | grep Pond. Say you want to find files containing both Walden and Pondon the same line. Using the pipe ( |), a Unix redirection operator, you can tell grep to search for more than one string. (Note that you can also combine options-for instance, grep -rl Walden searches subfolders and returns only a list of files containing the word Walden. Get started with the helpful options listed here. The grep command has several options that let you fine-tune the way you search for text, as well as the kind of results grep returns. Returns the names of files containing Walden and the number of hits in each file. In our case, we’re looking for the word VPS in the sample file called Hostinger.txt: grep VPS Hostinger.Finds Walden in any file in any subfolder of ~/Documents.įinds only live does not find liver, lives, lived, and so on.įinds files containing Walden, but returns only a list of file names.
#Grep command to find word in file full#
#Grep command to find word in file code#
To find out which C source code files contain references to the sl.h header file, use this command: grep -l 'sl.h'. In other words, grep enables users to search files for a particular pattern or word and see any lines that contain it.įor example, system administrators who handle hundreds of services and configuration files use grep to search for specific lines within those files. To see the names of the files that contain the search term, use the -l (files with match) option. It works by searching for text and strings that users define in a given file.
Grep, or global regular expression print, is one of the most versatile and useful Linux commands available.
#Grep command to find word in file how to#