Create ssh keys for git hub All menu driven

#!/bin/bash


## MD Harrington 11-05-2023  Time 13:45hrs

## Bash script to assist with generating ssh keys for git hub
## Add your SSH private key to the ssh-agent
## Copy key to clip board  ready to paste into github
## Open page  at Githubs address for doing this  using default browser

clear


# ANSI color codes
BLUE='\033[0;34m'
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[0;33m'
MAGENTA='\033[0;35m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

# Display header
echo -e "${YELLOW}****************************************${NC}"
echo -e "${BLUE}Creating SSH Keys by MD Harrington ${NC}"
echo -e "${MAGENTA}$(date +"%Y-%m-%d %T")${NC}"
echo -e "${YELLOW}****************************************${NC}"

echo ""



# Request email address and store in EMAIL variable
read -p "Enter your email address: " EMAIL

# Check if email address has been entered
if [[ -z $EMAIL ]]; then
  echo -e "${RED}No email address entered.${NC} Exiting..."
  exit 1
fi

# Check if email address is valid
if ! [[ "$EMAIL" =~ ^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$ ]]; then
  echo -e "${RED}Invalid email address entered.${NC} Exiting..."
  exit 1
fi


# Display menu options
while true
do
  echo -e "${YELLOW}***************${NC}"
  echo -e "${YELLOW}*${NC} ${GREEN}Menu Options${NC} ${YELLOW}*${NC}"
  echo -e "${YELLOW}***************${NC}"
  echo -e "${RED}${CYAN}1${NC}${RED}. Create ssh key${NC}"
  echo -e "${GREEN}${CYAN}2${NC}${GREEN}. Add your SSH private key to the ssh-agent${NC}"
  echo -e "${YELLOW}${CYAN}3${NC}${YELLOW}. Copy ssh key to clipboard${NC}"
  echo -e "${BLUE}${CYAN}4${NC}${BLUE}. Print ssh-key to terminal${NC}"
  echo -e "${MAGENTA}${CYAN}5${NC}${MAGENTA}. Add key to Git-Hub${NC}"
  echo -e "${CYAN}6${NC}. Exit menu"
  echo ""

  # Get user choice
  read -p "Enter your choice: " CHOICE

  # Perform action based on user choice
  case $CHOICE in
    1) # Create ssh key
      ssh-keygen -t ed25519 -C $EMAIL
      ;;
    2) # Add your SSH private key to the ssh-agent
      ssh-add ~/.ssh/id_ed25519
      ;;
    3) # Copy ssh key to clipboard

      # Check if pbcopy is installed and install if not
    if ! command -v pbcopy &> /dev/null; then
        clear
        echo ""
        echo ""
        echo "*****************   NOTE IMPORTANT !! IMPORTANT   *****************************"
        echo -e "${YELLOW}This script requires pbcopy${NC}"
        echo -e "${RED}However pbcopy not found.${NC}"
        echo -e "${BLUE}Please use option 4 of menu and copy key direct from terminal.${NC}"
        echo "*******************************************************************************"
        else
            pbcopy < ~/.ssh/id_ed25519.pub
            echo "SSH key copied to clipboard"
    fi
      ;;
    4) # Print ssh-key to terminal
      cat ~/.ssh/id_ed25519.pub
      ;;
    5) # Add key to Git-Hub
      xdg-open https://github.com/settings/keys # opens webpage using default browser
      ;;
    6) # Exit menu
      echo "Exiting menu..."
      exit 0
      ;;
    *) # Invalid choice
      echo -e "${RED}Invalid choice${NC}"
      ;;
  esac




done
 echo ""
 echo "Hope this makes life far easier for you !"