Jshon is a JSON parser designed for maximum convenience within the shell. Its homepage is http://kmkeen.com/jshon/.
Your system will need to provide the jansson library.
pacman -S jshon
These directions assume you have already downloaded the sources and placed yourself in the directory.
First, install the jansson library :
sudo apt-get install libjansson{4,-dev}
Then build the sources, by running :
make
echo '{"a":1,"b":[true,false,null,"none"],"c":{"d":4,"e":5}}' > sample.json
./jshon -t < sample.json
# output: object