kseifried

    #!/bin/bash
    SHA512="485fe3502978ad95e99f865756fd64c729820d15884fc735039b76de1b5459d32f8fadd050b66daf80d929d1082ad8729620925fb434bb09455304a639c9bc87"
    # This line and everything later gets SHA512'ed and put in the above line.
    # To generate the sha512 simply: tail -n +3 [SCRIPTNAME].sh | sha512sum
    check_sha512() {
        # Compute the SHA512 hash of the script excluding the first two lines
        local current_sha=$(tail -n +3 "$0" | sha512sum | awk '{print $1}')
    
        # Compare the computed SHA512 hash with the predefined one
        if [[ "$current_sha" != "$SHA512" ]]; then
            echo "Error: SHA512 hash does not match!"
            exit 1
        fi
    }
    
    # Call the function to perform the hash check
    check_sha512
    
    # Rest of your script starts here
    echo "Script execution continues..."