whispering_gophers/part1/main.go

// Solution to part 1 of the Whispering Gophers code lab.
// This program reads from standard input and writes JSON-encoded messages to
// standard output. For example, this input line:
//	Hello!
// Produces this output:
//	{"Body":"Hello!"}
//
package main

import (
	"bufio"
	"encoding/json"
	"log"
	"os"
)

type Message struct {
	Body string
}

func main() {
	// Defaults to ScanLines
	in := bufio.NewScanner(os.Stdin)
	// in.Split(bufio.ScanLines)

	encoder := json.NewEncoder(os.Stdout)

	for in.Scan() {
		m := Message{
			Body:in.Text(),
		}
		err := encoder.Encode(m)
		if err != nil {
			log.Fatal(err)
		}
	}
	if err := in.Err(); err != nil {
		log.Fatal(err)
	}
}