Learn how to simplify the use of ffmpeg's drawtext filter through shell scripting in this 21-minute tutorial. Explore the creation of a shell script that streamlines the process of adding text overlays to videos using ffmpeg. Dive into topics such as script overview, switch statements, box color, text shadow, rendering text, fuzzy matching, and previewing text. Follow along with practical examples, including a demonstration of text overlay and font selection. Gain insights into using drawtext in Peckham, troubleshooting common issues, and implementing bug fixes. Master the art of efficient video text manipulation with this comprehensive guide to enhancing your ffmpeg workflow.