How to Check if a File Exists in | , & Best Practices 2025

In this step-by-step tutorial for 2025, you’ll learn how to check if a file exists in using different built-in methods provided by the fs (File System) module. File existence checks are essential for avoiding errors like ENOENT when reading, writing, or deleting files. Whether you’re building a file uploader, a content management system, or an automation script, knowing how to reliably verify a file’s presence is a key backend skill. In this tutorial, we’ll explore multiple approaches: Using () for quick, synchronous checks Using () for asynchronous checks with permission validation Using () with modern async/await syntax Handling permissions (, R_OK, W_OK) to check file accessibility Avoiding deprecated methods ... #ProgrammingKnowledge #node_js_check_if_file_exists # # #nodejs_file_existence_check #nodejs_tutorial_2025 #file_verification_nodejs #check_file_accessibility_nodejs # #backend_file_handling_nodejs 20250812 Ds8z1tPKrhw