Generate an SSH public key using an email parameter.

generate_ssh_key.sh

#!/bin/bash

# Check if email is provided as an argument
if [ "$#" -ne 1 ]; then
    echo "Usage: $0 [email]"
    exit 1
fi

EMAIL=$1
KEY_NAME="$HOME/.ssh/id_ed25519"

# Generate SSH key
ssh-keygen -t ed25519 -C "$EMAIL" -f "$KEY_NAME" -N ""

# Display the public key
cat "${KEY_NAME}.pub"