This is a CLI Utilities library for Node.js.

Time spent: 6 hours

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• echo.js prints the first argument to stdout
• cat.js prints the contents of the first argument to stdout
• touch.js updates the modified date of the first argument
• ls.js recursively lists the files of the first argument
• mkdir.js create a directory at the first argument
• rm.js deletes any file or directory at the first argument

• ln.js creates a symlink from the second argument to the first argument
• grep.js prints lines matching the first argument in the files matching the second argument
• grep.js supports a regex as the second arguments