diff --git a/mdbj-migrate/migrate.go b/mdbj-migrate/migrate.go
new file mode 100644
index 0000000..8f0cea1
--- /dev/null
+++ b/mdbj-migrate/migrate.go
@@ -0,0 +1 @@
+package mdbj_migrate
diff --git a/mdbj-summary/summary.go b/mdbj-summary/summary.go
index 0a6d066..7b67c09 100644
--- a/mdbj-summary/summary.go
+++ b/mdbj-summary/summary.go
@@ -1,107 +1,32 @@
 package main
 
 import (
-	"io/ioutil"
-	"log"
+	"runtime"
 	"os"
-	"bufio"
-	"strings"
-	"fmt"
-	"regexp"
+	"github.com/dballard/markdown-bullet-journal/process"
 )
 
+type processHandler struct {
+	File *os.File
+}
+
+func (ph *processHandler) Writeln(line string) {
+	ph.File.WriteString(line + "\n")
+}
+
 func main() {
-	files, err := ioutil.ReadDir("./")
-	if err != nil {
-		log.Fatal(err)
+	ph := new(processHandler)
+
+	if runtime.GOOS == "windows" {
+
+	} else {
+		ph.File = os.Stdout
 	}
 
+	files := process.GetFiles()
 	for _, file := range files {
-		if file.Name()[len(file.Name())-3:] == ".md" {
-			genReport(file)
-		}
+		ph.Writeln("")
+		ph.Writeln(file)
+		process.ProcessFile(ph, file)
 	}
-
-}
-
-func genReport(fileInfo os.FileInfo) {
-	file, err := os.Open(fileInfo.Name())
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer file.Close()
-	fmt.Println("")
-	fmt.Println(fileInfo.Name())
-
-	header := ""
-	headerPrinted := false
-	stack := make([]string, 0)
-
-	total := 0
-	doneCount := 0
-
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		if scanner.Text() == "# Daily Health" {
-			break
-		}
-		if strings.Trim(scanner.Text(), " \t\n\r") == "" {
-			continue
-		}
-		if scanner.Text()[0] == '#' {
-			header = scanner.Text()[2:]
-			headerPrinted = false;
-			continue
-		}
-
-		startSpaces := regexp.MustCompile("^ *")
-		indentLevel := len(startSpaces.Find([]byte(scanner.Text())))/4
-		todo := false
-		done := false
-		if indentLevel < len(stack)-1 {
-			stack = stack[: indentLevel+1]
-		}
-		if indentLevel == len(stack)-1 {
-			stack[len(stack)-1], todo, done = getText(scanner.Text(), indentLevel)
-		}
-		if indentLevel >= len(stack) {
-			line := ""
-			line, todo, done = getText(scanner.Text(), indentLevel)
-			stack = append(stack, line)
-		}
-
-		if todo {
-			total += 1
-		}
-
-		if done {
-			if !headerPrinted {
-				fmt.Println(" # " + header)
-				headerPrinted = true
-			}
-			doneCount += 1
-			fmt.Println("  " + strings.Join(stack, " / "))
-		}
-	}
-	fmt.Println(doneCount, "/", total)
-}
-
-func getText(str string, indentLevel int) (text string, todo bool, done bool) {
-	//fmt.Printf("indentLevel: %v str: '%s'\n", indentLevel, str )
-	if len(str) < (indentLevel*4 +2) {
-		return "", false, false
-	}
-	text = str[indentLevel*4 +2:]
-	done = false
-	todo = false
-	if text[0] == '[' {
-		todo = true
-		if text[1] == 'x' || text[1] == 'X' {
-			done = true
-		}
-		if len(text) > 4 {
-			text = text[4:]
-		}
-	}
-	return
 }
diff --git a/process/process.go b/process/process.go
new file mode 100644
index 0000000..7745261
--- /dev/null
+++ b/process/process.go
@@ -0,0 +1,113 @@
+package process
+
+import (
+	"os"
+	"log"
+	"bufio"
+	"strings"
+	"regexp"
+	"io/ioutil"
+	"strconv"
+)
+
+type ProcessHandler interface  {
+	Writeln(line string)
+}
+
+func GetFiles() (filteredFiles []string) {
+	// open current directory
+	files, err := ioutil.ReadDir("./")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	filteredFiles = []string{}
+
+	// process files of '2*.md'
+	for _, file := range files {
+		if file.Name()[0] == '2' && file.Name()[len(file.Name())-3:] == ".md" {
+			filteredFiles = append(filteredFiles, file.Name())
+		}
+	}
+	return
+}
+
+func ProcessFile(ph ProcessHandler, fileName string) {
+	file, err := os.Open(fileName)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer file.Close()
+
+	header := ""
+	headerPrinted := false
+	stack := make([]string, 0)
+
+	total := 0
+	doneCount := 0
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		if scanner.Text() == "# Daily Health" {
+			break
+		}
+		if strings.Trim(scanner.Text(), " \t\n\r") == "" {
+			continue
+		}
+		if scanner.Text()[0] == '#' {
+			header = scanner.Text()[2:]
+			headerPrinted = false;
+			continue
+		}
+
+		startSpaces := regexp.MustCompile("^ *")
+		indentLevel := len(startSpaces.Find([]byte(scanner.Text())))/4
+		todo := false
+		done := false
+		if indentLevel < len(stack)-1 {
+			stack = stack[: indentLevel+1]
+		}
+		if indentLevel == len(stack)-1 {
+			stack[len(stack)-1], todo, done = getText(scanner.Text(), indentLevel)
+		}
+		if indentLevel >= len(stack) {
+			line := ""
+			line, todo, done = getText(scanner.Text(), indentLevel)
+			stack = append(stack, line)
+		}
+
+		if todo {
+			total += 1
+		}
+
+		if done {
+			if !headerPrinted {
+				ph.Writeln(" # " + header)
+				headerPrinted = true
+			}
+			doneCount += 1
+			ph.Writeln("  " + strings.Join(stack, " / "))
+		}
+	}
+	ph.Writeln(strconv.Itoa(doneCount) +  " / " + strconv.Itoa(total))
+}
+
+func getText(str string, indentLevel int) (text string, todo bool, done bool) {
+	//fmt.Printf("indentLevel: %v str: '%s'\n", indentLevel, str )
+	if len(str) < (indentLevel*4 +2) {
+		return "", false, false
+	}
+	text = str[indentLevel*4 +2:]
+	done = false
+	todo = false
+	if text[0] == '[' {
+		todo = true
+		if text[1] == 'x' || text[1] == 'X' {
+			done = true
+		}
+		if len(text) > 4 {
+			text = text[4:]
+		}
+	}
+	return
+}
\ No newline at end of file