diff --git a/bash/gpg-up.sh b/bash/gpg-up.sh
new file mode 100644
index 0000000..8ce79f9
--- /dev/null
+++ b/bash/gpg-up.sh
@@ -0,0 +1,14 @@
+# This function ensures gpg commands will work properly, in the current shell. I have found it needful on
+# OS X when using a smartcard and gpg-agent for ssh auth, in particular.
+function gpg-up() {
+  while [[ $(ps axu | grep gpg-agent | grep -v grep | wc -l | tr -d ' ') -ne '0' ]]; do
+    pkill gpg-agent
+    sleep 1
+  done
+
+  gpg-agent --daemon
+  . ~/.gpg-agent-info
+  GPG_TTY=$(tty)
+
+  export GPG_TTY GPG_AGENT_INFO SSH_AUTH_SOCK SSH_AGENT_PID
+}