Use Grep for Fast Search from the Command Line
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Learn to search and explore your codebase efficiently with grep and find. Find answers quickly, search recursively, and use regular expressions to look for specific phrases. Improve your coding workflow and work faster with these powerful command-line utilities.
CMD+F in your text editor can only get you so far! In this course, we will learn to use grep and find, two powerful command-line utilities, to search through and explore our codebase. Learn to search specific files and folders, using regular expressions to look for — or ignore! — particular phrases. We’ll cover how to search recursively, get more context on your results, and some simple tricks to make your searches faster and more targeted.
Once you’re familiar with grep and find, you’ll be able to quickly answer questions such as: Do I use this function anywhere other than my tests? Where does this file get imported? Whether you’re working on a new feature, reading a codebase for the first time, or refactoring existing code, grep and find can help you work faster and more effectively.
Course Content
Search the contents of files using grep
Search directory contents recursively using grep
Use find to search for filename patterns
Search matching files by combining find and grep with xargs
Search the contents of a git repository with git grep
Show context around matches using grep
Search for basic patterns using grep
Use grep’s extended regular expressions to find complex patterns
Search for optional patterns with grep OR
Specify line beginning and end in patterns using grep
Match classes of characters using bracket expressions with grep
Search with groups using grep
Find matches excluding a pattern with grep
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