shell function to generate user-specific passwords for cjdns

gistfile1.txt

hypepass () {
    if [[ -z $1 ]]; then
        echo 'Usage: hypepass <USERNAME>'
        echo 'Generate a user-specific password for allowing someone to peer with your cjdns host'
    else
        desired=64
        random=$(tr -cd '[:alnum:]' < /dev/urandom | fold -w $(( ${desired} - ${#1} - 1 )) | head -n 1)
        echo "{ \"user\": \"${1}\", \"password\": \"${1}:${random}\" }"
    fi
}