Add current path to $PATH

add_pwd_to_path.sh

#!/bin/bash
# This script will add the directory where it is located to the PATH
# if it's not already included.

# Get the directory of the current script, regardless of where it's called from
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"

# Check if the directory is already in PATH
if [[ ":$PATH:" != *":$DIR:"* ]]; then
    # Add the script directory to PATH for the duration of this session or
    # any child processes started from this script
    export PATH="$PATH:$DIR"
fi