diff --git a/main.go b/main.go
index 2f622b1..0b6aa64 100644
--- a/main.go
+++ b/main.go
@@ -30,7 +30,7 @@ func main() {
         }
 
 
-         if *target != "" && *recursive == false && *bits == 224 {
+        if *target != "" && *recursive == false && *bits == 224 {
 	files, err := filepath.Glob(*target)
 	if err != nil {
 	    log.Fatal(err)
@@ -51,7 +51,7 @@ func main() {
 
 
 	if *target != "" && *recursive == true && *bits == 224 {
-		err := filepath.Walk(".",
+		err := filepath.Walk(filepath.Dir(*target),
 		func(path string, info os.FileInfo, err error) error {
 			if err != nil {
 				return err
@@ -59,16 +59,24 @@ func main() {
 			file, err := os.Stat(path)
 			if file.IsDir() {
 			} else {
-			h := sha3.New224()
-			f, err := os.Open(path)
-			if err != nil {
-				log.Fatal(err)
-			}
-			if _, err := io.Copy(h, f); err != nil {
-				log.Fatal(err)
-			}
+				filename := filepath.Base(path)
+				pattern := filepath.Base(*target)
+				matched, err := filepath.Match(pattern, filename)
+				if err != nil {
+					fmt.Println(err)
+				}
+				if matched {
+				h := sha3.New224()
+			        f, err := os.Open(path)
+			        if err != nil {
+			            log.Fatal(err)
+			        }
+				if _, err := io.Copy(h, f); err != nil {
+					log.Fatal(err)
+				}
 			fmt.Println(hex.EncodeToString(h.Sum(nil)), "*" + f.Name())
 			}
+			}
 			return nil
 		})
 		if err != nil {
@@ -98,7 +106,7 @@ func main() {
 
 
 	if *target != "" && *recursive == true && *bits == 256 {
-		err := filepath.Walk(".",
+		err := filepath.Walk(filepath.Dir(*target),
 		func(path string, info os.FileInfo, err error) error {
 			if err != nil {
 				return err
@@ -106,16 +114,24 @@ func main() {
 			file, err := os.Stat(path)
 			if file.IsDir() {
 			} else {
-			h := sha3.New256()
-			f, err := os.Open(path)
-			if err != nil {
-				log.Fatal(err)
-			}
-			if _, err := io.Copy(h, f); err != nil {
-				log.Fatal(err)
-			}
+				filename := filepath.Base(path)
+				pattern := filepath.Base(*target)
+				matched, err := filepath.Match(pattern, filename)
+				if err != nil {
+					fmt.Println(err)
+				}
+				if matched {
+				h := sha3.New256()
+			        f, err := os.Open(path)
+			        if err != nil {
+			            log.Fatal(err)
+			        }
+				if _, err := io.Copy(h, f); err != nil {
+					log.Fatal(err)
+				}
 			fmt.Println(hex.EncodeToString(h.Sum(nil)), "*" + f.Name())
 			}
+			}
 			return nil
 		})
 		if err != nil {
@@ -145,7 +161,7 @@ func main() {
 
 
 	if *target != "" && *recursive == true && *bits == 384 {
-		err := filepath.Walk(".",
+		err := filepath.Walk(filepath.Dir(*target),
 		func(path string, info os.FileInfo, err error) error {
 			if err != nil {
 				return err
@@ -153,16 +169,24 @@ func main() {
 			file, err := os.Stat(path)
 			if file.IsDir() {
 			} else {
-			h := sha3.New384()
-			f, err := os.Open(path)
-			if err != nil {
-				log.Fatal(err)
-			}
-			if _, err := io.Copy(h, f); err != nil {
-				log.Fatal(err)
-			}
+				filename := filepath.Base(path)
+				pattern := filepath.Base(*target)
+				matched, err := filepath.Match(pattern, filename)
+				if err != nil {
+					fmt.Println(err)
+				}
+				if matched {
+				h := sha3.New384()
+			        f, err := os.Open(path)
+			        if err != nil {
+			            log.Fatal(err)
+			        }
+				if _, err := io.Copy(h, f); err != nil {
+					log.Fatal(err)
+				}
 			fmt.Println(hex.EncodeToString(h.Sum(nil)), "*" + f.Name())
 			}
+			}
 			return nil
 		})
 		if err != nil {
@@ -192,7 +216,7 @@ func main() {
 
 
 	if *target != "" && *recursive == true && *bits == 512 {
-		err := filepath.Walk(".",
+		err := filepath.Walk(filepath.Dir(*target),
 		func(path string, info os.FileInfo, err error) error {
 			if err != nil {
 				return err
@@ -200,16 +224,24 @@ func main() {
 			file, err := os.Stat(path)
 			if file.IsDir() {
 			} else {
-			h := sha3.New512()
-			f, err := os.Open(path)
-			if err != nil {
-				log.Fatal(err)
-			}
-			if _, err := io.Copy(h, f); err != nil {
-				log.Fatal(err)
-			}
+				filename := filepath.Base(path)
+				pattern := filepath.Base(*target)
+				matched, err := filepath.Match(pattern, filename)
+				if err != nil {
+					fmt.Println(err)
+				}
+				if matched {
+				h := sha3.New512()
+			        f, err := os.Open(path)
+			        if err != nil {
+			            log.Fatal(err)
+			        }
+				if _, err := io.Copy(h, f); err != nil {
+					log.Fatal(err)
+				}
 			fmt.Println(hex.EncodeToString(h.Sum(nil)), "*" + f.Name())
 			}
+			}
 			return nil
 		})
 		if err != nil {