I have a JSON file stored on the local machine. I need to read it in a variable and loop through it to fetch the JSON object values. If I use the Marshal command after reading the file using the ioutil.Readfile method, it gives some numbers as an output. These are my few failed attempts,
Attempt 1:
plan, _ := ioutil.ReadFile(filename) // filename is the JSON file to read
var data interface{}
err := json.Unmarshal(plan, data)
if err != nil {
log.Error("Cannot unmarshal the json ", err)
}
fmt.Println(data)
It gave me following error,
time="2016-12-13T22:13:05-08:00" level=error msg="Cannot unmarshal the json json: Unmarshal(nil)"
<nil>
Attempt 2: I tried to store the JSON values in a struct and then using MarshalIndent
generatePlan, _ := json.MarshalIndent(plan, "", " ") // plan is a pointer to a struct
fmt.Println(string(generatePlan))
It give me the output as string. But if I cast the output to string then I won't be able to loop it as JSON object.
How can we read a JSON file as JSON object in golang? Is it possible to do that? Any help is appreciated. Thanks in advance!