Handy command line tools for dealing with json data.
Usage is simple...just take your json data and pipe it into the appropriate jsontool.
<json data> | <jsontools tool>
# curl json data and pretty print the results
curl https://coderwall.com/bobwilliams.json | pp_json
# pretty print the contents of an existing json file
less data.json | is_json
# json data directly from the command line
echo '{"b":2, "a":1}' | urlencode_json
# url encoded string to decode
echo '%7B%22b%22:2,%20%22a%22:1%7D%0A' | urldecode_json