This tool re-sends the requests read from stdin again capturing the new responses.
It outputs the same pair but substituting the old responses with the new ones. And storing the old request on _meta for further processess.
Install replay tool:
apc install replay
You need an valid request-response object as input in json line format. You can
grab it from
acurl www.google.com | replay
This will generate an output with two responses, the original response made by
_meta/original field; and the new response made by replay in