Session - 89 | File Test Operators in Bash Shell Scripting | Linux Scripting Tutorial | NehraClasses

Session 89: File Test Operators in Bash Shell Scripting In this session of Bash Shell Scripting, we explore File Test Operators, an essential concept for writing reliable and error-free shell scripts in Linux/Unix environments. File test operators allow you to verify file properties before performing operations, helping you avoid runtime errors and improve script automation. What you will learn in this session: What file test operators are and why they are important How to check if a file or directory exists How to identify file types (regular files, directories, block files, character files, pipes) How to check file permissions (read, write, execute) How to determine whether a file is empty or not Using file test operators inside if-else conditions Practical Bash script examples for each operator File Test Operators Covered: -e → Check if file exists -f → Regular file -d → Directory -b → Block special file -c → Character special file -p → Named pipe (FIFO) -s → Check if file is not empty -r → Read permission -w → Write permission -x → Execute permission This session includes step-by-step scripts, real-time examples, and best practices such as proper variable quoting and combining conditions for advanced checks. Who should watch this video: Beginners learning Bash Shell Scripting Linux and Unix users DevOps and System Administration aspirants Students preparing for Linux interviews 📌 Previous and upcoming sessions build progressively—make sure to follow the complete Bash Shell Scripting series. Like, Share, and Subscribe for more Linux and Shell Scripting tutorials. *** 📚 Nehra Classes - Igniting The Minds! 📚 About Us: Nehra Classes is a premier IT training institute dedicated to empowering individuals with the skills and knowledge they need to succeed in today's competitive technology landscape. Founded by Vikas Nehra, a seasoned IT professional, our institute has been at the forefront of providing quality training solutions for over 10 years. *** 🕒 Timestamps: 00:00:00 - Channel Intro 00:00:17 - Session Overview 00:01:00 - *** 🔗 Important Links: Join Our YouTube Membership: https://www.youtube.com/channel/UCvk2Fst1h1a0StSnUcvGfBQ/join Visit Our Website: https://www.nehraclasses.in Visit Our Courses Portal: https://www.nehraclasses.com Access Our Learning Portal: https://web.nehraclasses.com/login?orgCode=ljeizx Download Our Nehra Classes App: https://clpted.page.link/5cJc Android App: https://play.google.com/store/apps/details?id=co.ted.thevn iOS App (OrgCode: ljeizx): https://apps.apple.com/in/app/classplus/id1324522260 Mail Us: [email protected] *** For updates and offers follow us on Social Media: YouTube: https://www.youtube.com/@NehraClasses LinkedIn Page: https://www.linkedin.com/company/nehraclasses Telegram Channel: https://www.t.me/NehraClasses Telegram Discussion Group: https://www.t.me/NehraClassesChat WhatsApp Channel: https://whatsapp.com/channel/0029Va53a1SAYlUHpZltnY2z Facebook Page: https://www.facebook.com/nehraclasses Instagram: https://www.instagram.com/nehraclasses X Handle: https://www.x.com/nehraclasses Github Profile: https://www.github.com/nehraclasses Blog: https://nehraclassesyoutube.blogspot.com *** 📢 Stay Updated: Don’t forget to Subscribe and Hit the Bell Icon to stay notified about our latest videos, live sessions, and special offers. Like, Share, and Comment on our videos to let us know how we’re doing and what you’d like to see next! *** 🎓 Join the Nehra Classes Community: We’re more than just a channel; we’re a community of learners and educators. By joining our YouTube Membership and following us on social media, you gain access to exclusive content, live Q&A sessions, and a network of like-minded individuals. Let’s achieve your learning goals together! *** 🚀 Special Offers: Check out our current promotions, discounts, and free trials on our website and learning portal. Take advantage of these opportunities to start learning with us today! *** Thank you for being a part of Nehra Classes. Your success is our priority! *** Disclaimer: COPYRIGHT © Nehra Classes®. ALL RIGHTS RESERVED. All content, including but not limited to text, images, graphics, videos, course materials, and other digital assets available on Nehra Classes' platforms, is the exclusive property of Nehra Classes and is protected under international copyright laws. *** #NehraClasses #BashScripting #LinuxShell #ShellScripting #LinuxTutorial #DevOps