bash_paths.sh

#!/bin/bash

# bash_paths

# Directories to be prepended to PATH
declare -a dirs_to_prepend=(
    "/usr/local/bin" # Ensure that this bin always takes precedence over `/usr/bin`
    "/usr/local/sbin"
    "/opt/homebrew/bin"
    "/opt/homebrew/sbin"
    "$HOME/Homebrew/bin"
    "$HOME/Homebrew/sbin"
)

# Directories to be appended to PATH
declare -a dirs_to_append=(
    "/usr/bin"
    "$HOME/bin"
    "$HOME/src/android-sdk-macosx/platform-tools"
    "$HOME/src/android-sdk-macosx/tools"
)

# Prepend directories to PATH
for index in ${!dirs_to_prepend[*]}
do
    if [ -d ${dirs_to_prepend[$index]} ]; then
        # If these directories exist, then prepend them to existing PATH
        PATH="${dirs_to_prepend[$index]}:$PATH"
    fi
done

# Append directories to PATH
for index in ${!dirs_to_append[*]}
do
    if [ -d ${dirs_to_append[$index]} ]; then
        # If these bins exist, then append them to existing PATH
        PATH="$PATH:${dirs_to_append[$index]}"
    fi
done

unset dirs_to_prepend dirs_to_append

export PATH