Cómo verificar si SSH-agent ya se está ejecutando en Bash
PID_SSH_AGENT=`eval ssh-agent -s | grep -Po "(?<=pid\ ).*(?=\;)"`
Clumsy Cowfish
PID_SSH_AGENT=`eval ssh-agent -s | grep -Po "(?<=pid\ ).*(?=\;)"`if [ $(ps ax | grep [s]sh-agent | wc -l) -gt 0 ] ; then
echo "ssh-agent is already running"
else
eval $(ssh-agent -s)
if [ "$(ssh-add -l)" == "The agent has no identities." ] ; then
ssh-add ~/.ssh/id_rsa
fi
# Don't leave extra agents around: kill it on exit. You may not want this part.
trap "ssh-agent -k" exit
fi