Easy JSON command line parser

gistfile1.sh

#! /bin/bash
# Prerequisite:
# $ gem install kronk
# Usage:
# json '{"foo": "bar"}'
# json example.com/foo.json
# echo '{"foo": "bar"}' | json
# See http://github.com/yaksnrainbows/kronk for more options

args=( "$@" )
first=${args[0]}
fchar=${first:0:1}

if [[ "$fchar" == '{' || "$fchar" == '[' ]]; then
  echo "$first" | kronk --parser json ${args[@]:1}
else
  kronk --parser json $@
fi