Xah Talk Show 2025-05-03 Ep651 emacs lisp, add id to div tag, part 1

• https://youtu.be/e_eqwP1Fq3s

task

1. go thru the web dir, ten thousand html files
2. open each, find
3. <div class="topicxl">
4. then, add and id attribute e.g. id="jYhjt"
5. for each of the page linked in the topic box. same id must be used.

• Elisp: Read File
• Elisp: Hash Table
• JS: Define a Class Without class

continued at Xah Talk Show 2025-05-08 Ep654 emacs lisp, add id to div tag, part 2