Walks through files and fmt.Println

main.go

@@ -8,25 +8,23 @@ import (
 	"path/filepath"
 )
 
-func walk(rootDir string) {
-	err := filepath.Walk(rootDir,
-		func(path string, info os.FileInfo, err error) error {
-			if err != nil {
-				return err
-			}
+func walk(rootDir string) ([]string, error) {
+	var files []string
 
-			dir, file := filepath.Split(path)
-			ext := filepath.Ext(file)
+	err := filepath.Walk(rootDir, func(path string, info os.FileInfo, err error) error {
+		_, file := filepath.Split(path)
+		ext := filepath.Ext(file)
+		if !info.IsDir() && ext == ".md" {
+			files = append(files, path)
+		}
+		return nil
+	})
 
-			if ext == ".md" {
-				fmt.Println(dir, file, ext, info.Size())
-			}
-
-			return nil
-		})
 	if err != nil {
 		log.Println(err)
 	}
+
+	return files, err
 }
 
 func main() {
@@ -40,5 +38,9 @@ func main() {
 	}
 	flag.Parse()
 
-	walk(rootDir)
+	files, _ := walk(rootDir)
+
+	for _, file := range files {
+		fmt.Println(file)
+	}
 }