Updated the printing to follow the new specs

common.go

@@ -5,6 +5,7 @@ package jsh
 import (
 	"encoding/json"
 	"fmt"
+	"os"
 )
 
 type JshFrame struct {
@@ -22,22 +23,44 @@ func (j JshFrame) ToJson() *string {
 	return &jsonString
 }
 
+func (j JshFrame) StdOutToJson() *string {
+	jsonOut, err := json.Marshal(j.StdOut)
+	if err != nil {
+		panic(err)
+	}
+	jsonString := string(jsonOut)
+	return &jsonString
+}
+
+func (j JshFrame) StdErrToJson() *string {
+	jsonOut, err := json.Marshal(j.StdErr)
+	if err != nil {
+		panic(err)
+	}
+	jsonString := string(jsonOut)
+	return &jsonString
+}
+
 // goroutine for outputing frames. Pass it a channel of pointers to JshFrames,
 // and it will send "true" to the done channel once you close the queue channel.
 func OutputFrames(queue chan *JshFrame, done chan bool) {
 	fmt.Printf("[")
+	fmt.Fprintf(os.Stderr, "[")
 	isFirst := true
 	for {
 		frame, more := <-queue
 		if more {
 			if !isFirst {
 				fmt.Printf(",")
+				fmt.Fprintf(os.Stderr, ",")
 			} else {
 				isFirst = false
 			}
-			fmt.Printf(*frame.ToJson())
+			fmt.Printf(*frame.StdOutToJson())
+			fmt.Fprintf(os.Stderr, *frame.StdErrToJson())
 		} else {
 			fmt.Printf("]\n")
+			fmt.Fprintf(os.Stderr, "]\n")
 			done <- true
 			return
 		}