function revoke-access-keys --argument user
    if empty "$user"
        usage revoke-access-keys '<user>'
        return (false)
    end

    for key in (user-access-keys "$user")
        revoke-access-key "$user" "$key"
    end
end

Add function to revoke all keys for a user
Add function to revoke all keys for a user

colstrom/shellops-aws,colstrom/piranha