diff --git a/attachments.go b/attachments.go
new file mode 100644
index 0000000..1031d19
--- /dev/null
+++ b/attachments.go
@@ -0,0 +1,151 @@
+package main
+
+import (
+	"fmt"
+	"io/fs"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"go.uber.org/zap"
+)
+
+func NewAttachmentMover() *AttachmentMover {
+	var am AttachmentMover
+	l, _ := zap.NewProduction()
+	am.L = l
+	am.Attachments = make(map[string]bool)
+	am.Posts = make([]string, 0)
+
+	return &am
+}
+
+type AttachmentMover struct {
+	Source, Target          string
+	Attachments             map[string]bool
+	Notes, Posts            []string
+	L                       *zap.Logger
+	BlogDir, AttachmentsDir string
+}
+
+func (am *AttachmentMover) Walk() error {
+	notesRoot := os.DirFS(am.Source)
+	blogRoot := os.DirFS(am.Target)
+
+	err := fs.WalkDir(notesRoot, ".", am.findAttachments)
+	if err != nil {
+		return fmt.Errorf("error scanning for attachments: %q", err)
+	}
+
+	err = fs.WalkDir(notesRoot, ".", am.findNotes)
+	if err != nil {
+		return fmt.Errorf("error scanning vault for posts: %q", err)
+	}
+
+	err = fs.WalkDir(blogRoot, ".", am.findPosts)
+	if err != nil {
+		return fmt.Errorf("error scanning blog for posts: %q", err)
+	}
+	return nil
+}
+
+func (am *AttachmentMover) findNotes(path string, d fs.DirEntry, err error) error {
+	if err != nil {
+		return err
+	}
+
+	if d.IsDir() {
+		return nil
+	}
+	walkLogger := am.L.Named("FindNotes")
+
+	if strings.HasSuffix(path, ".md") && strings.Contains(path, am.BlogDir) {
+		walkLogger.Info("found blog post to publish, adding to index", zap.String("path", path))
+		am.Notes = append(am.Notes, path)
+	}
+	return nil
+}
+
+func (am *AttachmentMover) findAttachments(path string, d fs.DirEntry, err error) error {
+	if err != nil {
+		return err
+	}
+
+	if d.IsDir() {
+		return nil
+	}
+	walkLogger := am.L.Named("FindAttachments")
+
+	if strings.Contains(path, am.AttachmentsDir) {
+		walkLogger.Info("found attachment file, adding to index", zap.String("path", path))
+		am.Attachments[path] = true
+	}
+	return nil
+}
+
+func (am *AttachmentMover) findPosts(path string, d fs.DirEntry, err error) error {
+	if err != nil {
+		return err
+	}
+
+	if d.IsDir() {
+		return nil
+	}
+	walkLogger := am.L.Named("FindPosts")
+
+	if strings.HasSuffix(path, "index.md") {
+		walkLogger.Info("found index.md, adding to index", zap.String("path", path))
+		am.Posts = append(am.Posts, path)
+	}
+	return nil
+}
+
+func (am *AttachmentMover) Move() error {
+	moveLogger := am.L.Named("Move")
+	moveLogger.Info("scanning posts", zap.Strings("posts", am.Posts))
+	for _, post := range am.Notes {
+		// log.Printf("scanning %q for attachment links", post)
+		linkedAttachments, err := extractAttachments(filepath.Join(am.Source, post), am.L.Named("extractAttachments"))
+		if err != nil {
+			return fmt.Errorf("could not extract attachment links from %q: %w", post, err)
+		}
+		for _, attachment := range linkedAttachments {
+			moveAttachment(post, attachment, am.L.Named("moveAttachment"))
+		}
+	}
+
+	return nil
+}
+
+func moveAttachment(post, attachment string, l *zap.Logger) error {
+	l.Info("moving attachment",
+		zap.String("post", post),
+		zap.String("attachment", attachment),
+	)
+
+	return nil
+}
+
+func extractAttachments(post string, l *zap.Logger) ([]string, error) {
+
+	l.Info("scanning note",
+		zap.String("post", post),
+	)
+
+	pat := regexp.MustCompile(`\[\[Resources\/attachments\/(.*)?\]\]`)
+
+	attachments := make([]string, 0)
+	postBody, err := ioutil.ReadFile(post)
+	if err != nil {
+		return attachments, fmt.Errorf("error opening post to scan for attachment links: %q", err)
+	}
+
+	for _, att := range pat.FindAll(postBody, -1) {
+		l.Info("found attachment", zap.String("filename", string(att)))
+
+	}
+
+	return attachments, nil
+}
diff --git a/main.go b/main.go
index f062901..b20beff 100644
--- a/main.go
+++ b/main.go
@@ -2,155 +2,10 @@ package main
 
 import (
 	"flag"
-	"fmt"
-	"io/fs"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"regexp"
-	"strings"
 
 	"go.uber.org/zap"
 )
 
-func NewAttachmentMover() *AttachmentMover {
-	var am AttachmentMover
-	l, _ := zap.NewProduction()
-	am.L = l
-	am.Attachments = make(map[string]bool)
-	am.Posts = make([]string, 0)
-
-	return &am
-}
-
-type AttachmentMover struct {
-	Source, Target          string
-	Attachments             map[string]bool
-	Notes, Posts            []string
-	L                       *zap.Logger
-	BlogDir, AttachmentsDir string
-}
-
-func (am *AttachmentMover) Walk() error {
-	notesRoot := os.DirFS(am.Source)
-	blogRoot := os.DirFS(am.Target)
-
-	err := fs.WalkDir(notesRoot, ".", am.findAttachments)
-	if err != nil {
-		return fmt.Errorf("error scanning for attachments: %q", err)
-	}
-
-	err = fs.WalkDir(notesRoot, ".", am.findNotes)
-	if err != nil {
-		return fmt.Errorf("error scanning vault for posts: %q", err)
-	}
-
-	err = fs.WalkDir(blogRoot, ".", am.findPosts)
-	if err != nil {
-		return fmt.Errorf("error scanning blog for posts: %q", err)
-	}
-	return nil
-}
-
-func (am *AttachmentMover) findNotes(path string, d fs.DirEntry, err error) error {
-	if err != nil {
-		return err
-	}
-
-	if d.IsDir() {
-		return nil
-	}
-	walkLogger := am.L.Named("FindNotes")
-
-	if strings.HasSuffix(path, ".md") && strings.Contains(path, am.BlogDir) {
-		walkLogger.Info("found blog post to publish, adding to index", zap.String("path", path))
-		am.Notes = append(am.Notes, path)
-	}
-	return nil
-}
-
-func (am *AttachmentMover) findAttachments(path string, d fs.DirEntry, err error) error {
-	if err != nil {
-		return err
-	}
-
-	if d.IsDir() {
-		return nil
-	}
-	walkLogger := am.L.Named("FindAttachments")
-
-	if strings.Contains(path, am.AttachmentsDir) {
-		walkLogger.Info("found attachment file, adding to index", zap.String("path", path))
-		am.Attachments[path] = true
-	}
-	return nil
-}
-
-func (am *AttachmentMover) findPosts(path string, d fs.DirEntry, err error) error {
-	if err != nil {
-		return err
-	}
-
-	if d.IsDir() {
-		return nil
-	}
-	walkLogger := am.L.Named("FindPosts")
-
-	if strings.HasSuffix(path, "index.md") {
-		walkLogger.Info("found index.md, adding to index", zap.String("path", path))
-		am.Posts = append(am.Posts, path)
-	}
-	return nil
-}
-
-func (am *AttachmentMover) Move() error {
-	moveLogger := am.L.Named("Move")
-	moveLogger.Info("scanning posts", zap.Strings("posts", am.Posts))
-	for _, post := range am.Notes {
-		// log.Printf("scanning %q for attachment links", post)
-		linkedAttachments, err := extractAttachments(filepath.Join(am.Source, post), am.L.Named("extractAttachments"))
-		if err != nil {
-			return fmt.Errorf("could not extract attachment links from %q: %w", post, err)
-		}
-		for _, attachment := range linkedAttachments {
-			moveAttachment(post, attachment, am.L.Named("moveAttachment"))
-		}
-	}
-
-	return nil
-}
-
-func moveAttachment(post, attachment string, l *zap.Logger) error {
-	l.Info("moving attachment",
-		zap.String("post", post),
-		zap.String("attachment", attachment),
-	)
-
-	return nil
-}
-
-func extractAttachments(post string, l *zap.Logger) ([]string, error) {
-
-	l.Info("scanning note",
-		zap.String("post", post),
-	)
-
-	pat := regexp.MustCompile(`\[\[Resources\/attachments\/(.*)?\]\]`)
-
-	attachments := make([]string, 0)
-	postBody, err := ioutil.ReadFile(post)
-	if err != nil {
-		return attachments, fmt.Errorf("error opening post to scan for attachment links: %q", err)
-	}
-
-	for _, att := range pat.FindAll(postBody, -1) {
-		l.Info("found attachment", zap.String("filename", string(att)))
-
-	}
-
-	return attachments, nil
-}
-
 func main() {
 	am := NewAttachmentMover()
 	defer am.L.Sync()