Quickly manipulate JSON files
npm install --global json-propertyget-json-property file.json property_name_1 property_name_2 property_name_3get-json-property property_name_1 property_name_2 property_name_3 < file.jsoncat file.json | get-json-property property_name_1 property_name_2 property_name_3set-json-property value file.json property_name_1 property_name_2 property_name_3set-json-property value property_name_1 property_name_2 property_name_3 < input.json > output.jsoncat input.json | set-json-property value property_name_1 property_name_2 property_name_3 > output.json