Many times a script is written that needs extra/persistent configuration from the user. In most languages this is no big deal, you just import your json/yaml/toml parser and you're good to go. The common thing to do for many bash scripts that require configuration is to ask the user to put another actual bash script containing variable declarations in the file:
Blog postsTagged: bash
Bash is perhaps one of the hardest languages to learn how to script with, simply for the fact there's so much bad information out there. I'd like to share some tips and tricks I've learned in my few years of scripting.
I recently came across fzf, which is an interactive line filter. By default fzf will fuzzy search recursively through file names in the current directory, but it also filters through stdin.