sed進階應用

sed  's/被取代的字串/要取代的字串/'

sed -r 's/^(admin_token) = (.*)/\1 = '要代換的token'/g'

\1: 代表暫存，然後在要取代的字串中取回
-r , regular expression


# sed的examples
http://www.theunixschool.com/2012/06/sed-25-examples-to-delete-line-or.html
http://www.grymoire.com/Unix/Sed.html