my template for bash scripts

template.sh

#!/bin/bash
# template.sh
# ---------------
# by @zudsniper on github 
# not really, its by chatGPT but i guess i get the credit
# > im leaving this in the template  
#   
# DEPENDENCIES
# - thing: it is good
#
# TODO
# - add features
#   https://bashrc.zod.tf
# ---------------

# ----------------------------- #
## ANSI COLOR ENVIRONMENT VARS

# Check if .ansi_colors.sh exists, and if not, download it from Github
if [ ! -f "$HOME/.ansi_colors.sh" ]; then
  echo "${A_LIGHTGREY}Downloading ${A_BOLD}.ansi_colors.sh${A_RESET}${A_LIGHTGRAY}...${A_RESET}"
  curl -sSf "https://gist.githubusercontent.com/zudsniper/e5bbdb7d3384a2b5f76277b52d103e59/raw/.ansi_colors.sh" > "$HOME/.ansi_colors.sh"
fi

# source the colors
. "$HOME/.ansi_colors.sh"
# ----------------------------- #

# check OS
checkOS() {
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
        export opersys="linux"
elif [[ "$OSTYPE" == "darwin"* ]]; then
        # Mac OSX
	export opersys="mac"
elif [[ "$OSTYPE" == "cygwin" ]]; then
        # POSIX compatibility layer and Linux environment emulation for Windows
	export opersys="win-gitbash"
elif [[ "$OSTYPE" == "msys" ]]; then
        # Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
	export opersys="win-msys"
elif [[ "$OSTYPE" == "win32" ]]; then
        # I'm not sure this can happen.
	export opersys="win32"
elif [[ "$OSTYPE" == "freebsd"* ]]; then
        # ...
	export opersys="freebsd"
else
        export opersys="unknown"
	# Unknown.
fi
}

## _______ OS DETERMINED _______ ##
# "${opersys}"
checkOS;

## _____PUT CODE UNDER THIS ____ ##