Env to Json

package main

import (
  "bufio"
  "encoding/json"
  "fmt"
  "os"
  "strings"
)

func main() {
  env2json("test.env", "test.json")
}

func env2json(envFilePath string, jsonFilePath string) {
  scanner := bufio.NewScanner(read(envFilePath))
  writer := bufio.NewWriter(write(jsonFilePath))
  res := make(map[string]string)
  for scanner.Scan() {
    line := scanner.Text()
    if strings.HasPrefix(line, "#") {
      continue
    }
    s := strings.Split(line, "=")
    res[s[0]] = s[1]
  }
  obj := serialize(res, "_")
  data, _ := json.MarshalIndent(obj, "", "   ")

  for _, line := range data {
    writer.WriteByte(line)
  }
  writer.Flush()
  fmt.Println("data written")
}

func read(path string) (f *os.File) {
  f, err := os.Open(path)
  if err != nil {
    fmt.Println(err)
  }
  return
}

func write(path string) (f *os.File) {
  f, err := os.Create(path)
  if err != nil {
    fmt.Println(err)
  }
  return
}

func serialize(obj map[string]string, delimiter string) map[string]interface{} {
  output := make(map[string]interface{})
  for key, value := range obj {
    res := make(map[string]string)
    words := strings.Split(key, delimiter)
    if len(words) == 2 {
      res[words[1]] = value
      output[words[0]] = res
    } else {
      output[key] = value
    }
  }
  return output
}