#!/bin/bash
s='PATH=...'
echo $s | sed 's/^PATH=.*/PATH="\/bin:\/sbin:\/usr\/bin:\/usr\/sbin:\/usr\/local\/bin:\/Users\/jd\/bin:\/opt\/local\/bin:\/usr\/local\/bin/'
IyEvYmluL2Jhc2gKcz0nUEFUSD0uLi4nCmVjaG8gJHMgfCBzZWQgJ3MvXlBBVEg9LiovUEFUSD0iXC9iaW46XC9zYmluOlwvdXNyXC9iaW46XC91c3JcL3NiaW46XC91c3JcL2xvY2FsXC9iaW46XC9Vc2Vyc1wvamRcL2JpbjpcL29wdFwvbG9jYWxcL2JpbjpcL3VzclwvbG9jYWxcL2Jpbi8n