enhanced-ssh-add.sh

#!/bin/bash
# coding: utf-8

BINPATH="/usr/bin"
SSH_AGENT="${BINPATH}/ssh-agent"
SSH_ADD="${BINPATH}/ssh-add"
FILE="/tmp/ssh-agent.sh"
SSH_ADD_ARGUMENTS=$@

delete_exists_proc() {
    local pid="$(cat $FILE | head -2 | tail -1 | cut -d ";" -f 1 | cut -d "=" -f 2)"
    ps aux | grep ssh-agent | grep -v grep | grep -v $pid | awk '{ print $2 }' > /dev/null 2>&1
}


if [ -e $FILE ];then
    delete_exists_proc
    source $FILE
    $SSH_ADD $SSH_ADD_ARGUMENTS

else
    $SSH_AGENT | head -2 | tail -2 > $FILE
    $SSH_ADD $SSH_ADD_ARGUMENTS

fi