To search through files recursively, you’ll need to use the -r or -recursive option with grep. In this blog post, we’ll take a look at how to grep files recursively, including how to search through sub-directories, how to search for an exact match, how to only search within certain file extensions, and how to use the find command instead of grep. One common use case for grep is the need to search through multiple files, including files within sub-directories. In this article you will learn how to grep files recursively. It’s a staple of many Linux and Unix-based systems, and is widely used by system administrators, developers, and others who need to search through large volumes of text data. Recurse in directories skip file matching PATTERN.Īs you’ve seen, the grep -r command makes it easy to recursively search directories for all files that match the search pattern you specify, and the syntax is much shorter than the equivalent find/grep command.įor more information on the find command, see my Linux find command examples, and for more information on the grep command, see my Linux grep command examples.Grep is a powerful command-line tool that allows you to search for specific patterns within text files. Recurse in directories only searching file matching PATTERN. Read all files under each directory, recursively this is Here’s the section of the Linux grep man page that discusses the -r flag:
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