match command-line arguments to their help text

shell, bash learning resource

📖 A collection of pure POSIX sh alternatives to external processes. - dylanaraps

:rocket: General purpose context-aware zsh completion engine powered by fuzzy finder. - relastle

A complete wiki for shell script tutorials

get a hook from the web, run a script locally
(or other way round)

https://mywiki.wooledge.org/BashPitfalls

https://mywiki.wooledge.org/BashFAQ

https://www.gnu.org/software/bash/manual/

#bash on freenode

(from)

Passing flags to bash functions
Bash function argument parsing
Sh Zsh all work with getops

more in-depth explanation here: https://links.martyoeh.me/?E2EpAg

shell defaults, history, flags and more explained

type nvim >/dev/null 2>&1 && alias vim=nvim

replacing vim with the thing you want to replace and nvim with the thing you want to replace it with (and the thing you are checking for)