The next extension for the grep challenge is now live: File Search.
This is what grep is designed for: scanning input files and printing lines that match a given pattern.
By the end of this extension, your grep implementation will be able to search through both individual files and entire directories.
Here’s the stage breakdown:
Please give this a try and let us know how it can be improved! @ryan-gang (author of this extension) and I will be available here to help out with any tester or instruction-related issues.