--- a/cmd_donwload.go	Tue Mar 31 15:43:14 2020 +0900
+++ b/cmd_donwload.go	Tue Mar 31 16:32:53 2020 +0900
@@ -28,8 +28,9 @@
 	arr3 := []string{"601495001", "600625001"}
 
 	lwps, err := dh.LecIDStoDonwlodSyllabus(ctx, arr3, outStream)
-
-	return dh.DumpLectureWithPathJSON(lwps)
+	lectures, err := dh.LectureWPathS2LectureStruct(ctx, lwps, outStream)
+	if err != nil {
+		return err
+	}
+	return dh.DumpLecureToJson(lectures)
 }
-
-

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmd_pdf.go	Tue Mar 31 16:32:53 2020 +0900
@@ -0,0 +1,20 @@
+package lectable
+
+import (
+	"context"
+	"io"
+)
+
+type cmdPDF struct{}
+
+func (cp *cmdPDF) name() string {
+	return "pdf"
+}
+
+func (cd *cmdPDF) description() string {
+	return "parse from pdf"
+}
+
+func (cd *cmdPDF) run(ctx context.Context, argv []string, outStream, errStream io.Writer) error {
+	return nil
+}

--- a/lectable.go	Tue Mar 31 15:43:14 2020 +0900
+++ b/lectable.go	Tue Mar 31 16:32:53 2020 +0900
@@ -15,6 +15,7 @@
 var (
 	subCommands = []cmd{
 		&cmdDownload{},
+		&cmdPDF{},
 	}
 	dispatch          = make(map[string]cmd, len(subCommands))
 	maxSubcommandName int

--- a/syllabus/getSyllabus.go	Tue Mar 31 15:43:14 2020 +0900
+++ b/syllabus/getSyllabus.go	Tue Mar 31 16:32:53 2020 +0900
@@ -18,6 +18,14 @@
 	"github.com/pkg/errors"
 )
 
+const (
+	monday int = iota
+	tuesday
+	wednesday
+	thursday
+	friday
+)
+
 //GetSyllabus is use main function struct. members using download html operation
 type GetSyllabus struct {
 	year      int
@@ -34,10 +42,10 @@
 
 //Lecture ID is ex. 600625001 , Name is プログラミング1, Day is LecutreDay
 type Lecture struct {
-	ID      string
-	Name    string
-	Day     LectureDay
-	Teacher string
+	ID      string     `json: "id"`
+	Name    string     `json: "name`
+	Day     LectureDay `json: "day"`
+	Teacher string     `json: "teacher"`
 }
 
 type LectureWPath struct {
@@ -156,8 +164,28 @@
 	return outputPath, nil
 }
 
+func (g *GetSyllabus) LectureWPathS2LectureStruct(ctx context.Context, lwps *[]LectureWPath, outStream io.Writer) (*[]Lecture, error) {
+	//var wg sync.WaitGroup
+	ch := make(chan Lecture, len(*lwps))
+	for _, lwp := range *lwps {
+		//wg.Add(1)
+		go func(lwp LectureWPath) {
+			//defer wg.Done()
+			lec, _ := g.LectureWPath2LectureStruct(&lwp)
+			ch <- *lec
+		}(lwp)
+	}
+	//wg.Wait()
+
+	var lecs []Lecture
+	for range *lwps {
+		lecs = append(lecs, <-ch)
+	}
+	return &lecs, nil
+}
+
 //LecIDwFilePath2LectureStruct is require LectureID (== Lecture.ID), filePath ( syllabus.html path)
-func (g *GetSyllabus) LecIDwFilePath2LectureStruct(lwp *LectureWPath) (*Lecture, error) {
+func (g *GetSyllabus) LectureWPath2LectureStruct(lwp *LectureWPath) (*Lecture, error) {
 	file, err := os.Open(lwp.Path)
 
 	if err != nil {
@@ -223,25 +251,25 @@
 func kanjiday2int(kanjiDay string) int {
 	switch kanjiDay {
 	case "月":
-		return 0
+		return monday
 	case "火":
-		return 1
+		return tuesday
 	case "水":
-		return 2
+		return wednesday
 	case "木":
-		return 3
+		return thursday
 	case "金":
-		return 4
+		return friday
 	}
 	return -1
 }
 
-func (g *GetSyllabus)DumpLectureWithPathJSON(lwps *[]LectureWPath) error {
-	bytes, err := json.Marshal(lwps)
+func (g *GetSyllabus) DumpLecureToJson(lectures *[]Lecture) error {
+	bytes, err := json.Marshal(lectures)
 	if err != nil {
 		return err
 	}
-	fp :=  filepath.Join(g.outputdir, "dump.json")
+	fp := filepath.Join(g.outputdir, "dump_lectures.json")
 	file, err := os.Create(fp)
 	bw := bufio.NewWriter(file)
 	_, err = bw.Write(bytes)
@@ -253,3 +281,19 @@
 	return nil
 }
 
+func (g *GetSyllabus) DumpLectureWithPathJSON(lwps *[]LectureWPath) error {
+	bytes, err := json.Marshal(lwps)
+	if err != nil {
+		return err
+	}
+	fp := filepath.Join(g.outputdir, "dump.json")
+	file, err := os.Create(fp)
+	bw := bufio.NewWriter(file)
+	_, err = bw.Write(bytes)
+	if err != nil {
+		return err
+	}
+	bw.Flush()
+	file.Close()
+	return nil
+}