$ gpg-agent --daemon
gpg-agent[673]: directory `/home/kristianf/.gnupg/private-keys-v1.d' created
GPG_AGENT_INFO=/tmp/gpg-1HWVro/S.gpg-agent:674:1; export GPG_AGENT_INFO;
SSH_AUTH_SOCK=/tmp/gpg-roOiLy/S.gpg-agent.ssh; export SSH_AUTH_SOCK;
SSH_AGENT_PID=674; export SSH_AGENT_PID;
gpg-agent[674]: gpg-agent (GnuPG) 2.0.28 started