How to edit a json file by shell script to change the coordinate point , in which original points are divided by 2
The shell is an unsuitable tool to parse json and do math. In perl this is a one-liner:
$ perl -pe '/point/ && s,(\d+),$1/2,eg' inputfile{ "planetsQuestion":[ { "state":"Andhra Pradesh", "capital":"Hyderabad", "point":["260","275"] }, { "state":"Arunachal Pradesh", "capital":"Itanagar", "point":["443","147"] } ]}