Live Coding a Shell Script to Toggle Dark Mode for Terminal Tools

Updating a few values in a few config files using a shell script, grep and perl.

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Timestamps:

0:00 What we'll be covering in this video
0:18 A personal note before we get started
1:15 Switching between dark and light themes should be easy
3:05 Creating a hello world script to get the ball rolling
5:12 Thinking about how this script is going to work
6:55 Figuring out if we're in dark or light mode using grep
8:54 Using perl to do a cross OS inline replace on multiple files
11:47 Refactoring hard coded config paths into variables
12:39 Changing the Microsoft terminal theme settings from the script
16:51 Switching around a few tmux colors programmatically
20:43 Figuring out how to source your tmux config from the script
22:51 Toggling fzf's theme colors
27:59 Accepting defeat on changing a parent's env variable from a child process
34:44 Reviewing the final script and doing a bit of refactoring
36:53 What you'll want to change to get this working on your end

Toggle dark mode script commit:

https://github.com/nickjj/dotfiles/commit/f0db1a6c2af58a4128a893ea7c59d373bc009485

Reference links:

https://github.com/nickjj/dotfiles
https://www.youtube.com/watch?v=pFDHvDfLW-4 (latest releases script)
https://www.youtube.com/watch?v=NasPBjSev88&t=905s (notes script)
https://nickjanetakis.com/blog/using-unix-tools-and-bash-to-convert-blog-post-titles-part-1
https://www.youtube.com/watch?v=fP_ckZ30gbs (find and replacing text in Vim)
https://github.com/nickjj/dotfiles/commit/6579639ceb4ae546355e93f94bde3c817ee4da15 (fzf color vimrc commit)

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Personal Website: https://nickjanetakis.com
Twitter: https://twitter.com/nickjanetakis