Assuming your input is really a series of valid JSON documents, use a json.Decoder to decode them:
package main
import (
"encoding/json"
"fmt"
"io"
"log"
"strings"
)
var input = `
{"foo": "bar"}
{"foo": "baz"}
`
type Doc struct {
Foo string
}
func main() {
dec := json.NewDecoder(strings.NewReader(input))
for {
var doc Doc
err := dec.Decode(&doc)
if err == io.EOF {
// all done
break
}
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", doc)
}
}
Playground: https://play.golang.org/p/ANx8MoMC0yq
If your input really is what you’ve shown in the question, that’s not JSON and you have to write your own parser.