path

#!/bin/bash
# 
# Name: bashrc man - (path)
# Description: Tool set commands for for GNU $PATH Varriables
# Copyright (C) 2023 - Beba Godfried.
# This program may be freely redistributed under the terms of the GNU GPL
#

# ANSI
Y='\033[0;33m'  # color: brown
R='\033[0;31m'  # color: red
G='\033[0;32m'  # color: green

B='\033[1m'     # font: 600
RESET='\033[0m' # automatics

# functions
function timeout() {
  timer=$1

  echo -e "${G}Completed!${RESET} - Type ${B}\`source ~/.bashrc\`${RESET} or ${B}\`exit\`${RESET} to load the new \`.bashrc\`"
  if [[ $timer != '' && $timer != 0 ]];then
    read -t $timer esc
    
  else
    read esc
  fi

  echo ''
}

# initialization
clear
echo -e "${Y}${B}[ bashrc 1.0 by @bebagodfried - GitHub ]${RESET}${RESET}"

# Get the command-line arguments
append_2shell=$2
append_2paths=$2

# Get the .bashrc location
bashrc=~/.bashrc

# `bashrc` command
if ! command -v bashrc >> /dev/null;then
  ./bashrc
fi

# Shell reload
source $bashrc

# Shell
key=$1
if [[ $key == "--export" || $key == "-e" ]];then
  # Append a directory to `PATH`
  echo "export PATH=$PATH:$append_2paths" >> $bashrc
  timeout 3

  exit 0

elif [[ $key == "--show" || $key == "-s" ]];then
  clear
  # Display `bashrc`
  echo -e "${B}PATH =${RESET} $PATH "

  read -t 3 esc
  echo ''
  exit 0

elif [[ $key == "--undo" || $key == "-u" ]];then
  # Reload last backup
  bashrc -u
 
elif [[ $key == "--help" || $key == "-h" ]];then
  # Help
  clear
  echo -e "${Y}${B}[ bashrc 1.0 by @bebagodfried - GitHub ]${RESET}${RESET}"
  echo -e "$ ${B}Usage:${RESET} path [OPTION] [ARG]"
  echo "$ Manage your GNU Bash shell script whenever it is run/started interactively."
  echo ""
  echo -e "  -e, ${B}--export${RESET}        add environment variables to \`\$PATH\`"
  echo -e "  -s, ${B}--show  ${RESET}        view currently configured variables in \`\$PATH\`"
  echo -e "  -u, ${B}--undo  ${RESET}        restore the last shell backup"
  echo -e "  -h, ${B}--help  ${RESET}        display this help and exit"

  read esc
  
elif [[ $key == "" ]];then
  echo -e "${B}PATH =${RESET} $PATH "

  read -t 3 esc
  echo ''
  exit 0
else
  # Help
  clear
  echo -e "${Y}${B}[ bashrc 1.0 by @bebagodfried - GitHub ]${RESET}${RESET}"
  echo -e "${R}${B}error:${RESET}${RESET} unrecognized option '$key'"
  echo -e "Try ${B}'bashrc --help'${RESET} for more information."

  read -t 3 esc
  echo ''
  exit 0
fi