added human output

Author: lidiamokevnina

Makefile

@@ -4,6 +4,9 @@ build:
 run:
 	./bin/hexlet-path-size $(path)
 
+run-human:
+	./bin/hexlet-path-size --human $(path)
+
 lint:
 	golangci-lint run
 

bin/hexlet-path-size

@@ -14,9 +14,20 @@ func main() {
 	cmd := &cli.Command{
 		Name:  "hexlet-path-size",
 		Usage: "print size of a file or directory",
+		Flags: []cli.Flag{
+			&cli.BoolFlag{
+				Name:  "human",
+				Value: false,
+				Usage: "human-readable sizes (auto-select unit)",
+			},
+		},
 		Action: func(_ context.Context, cmd *cli.Command) error {
-			path := cmd.Args().Get(0)
-			size, err := pathsize.GetPathSize(path, false, true, false)
+			path := "."
+			if cmd.NArg() > 0 {
+				path = cmd.Args().Get(0)
+			}
+			human := cmd.Bool("human")
+			size, err := pathsize.GetPathSize(path, false, human, false)
 			if err != nil {
 				fmt.Println(err.Error())
 			}

cmd/hexlet-path-size/main.go

@@ -4,6 +4,7 @@ go 1.25.4
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/inhies/go-bytesize v0.0.0-20220417184213-4913239db9cf // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/testify v1.11.1 // indirect
 	github.com/urfave/cli/v3 v3.6.1 // indirect

go.mod

@@ -1,5 +1,7 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/inhies/go-bytesize v0.0.0-20220417184213-4913239db9cf h1:FtEj8sfIcaaBfAKrE1Cwb61YDtYq9JxChK1c7AKce7s=
+github.com/inhies/go-bytesize v0.0.0-20220417184213-4913239db9cf/go.mod h1:yrqSXGoD/4EKfF26AOGzscPOgTTJcyAwM2rpixWT+t4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=

go.sum

@@ -3,8 +3,15 @@ package pathsize
 import (
 	"fmt"
 	"strconv"
+
+	"github.com/inhies/go-bytesize"
 )
 
-func Format(size int, path string, _ bool) string {
+func Format(size int, path string, human bool) string {
+	if human {
+		humanSize := bytesize.New(float64(size))
+		return fmt.Sprintf("%s\t%s", humanSize, path)
+	}
+
 	return fmt.Sprintf("%s\t%s", strconv.Itoa(size), path)
 }

pathsize/formatter.go

@@ -12,7 +12,8 @@ import (
 
 func TestGetPathSizeFile(t *testing.T) {
 	path := filepath.Join("../testdata/testfile.txt")
-	result, err := pathsize.GetPathSize(path, false, true, false)
+	human := false
+	result, err := pathsize.GetPathSize(path, false, human, false)
 	if err != nil {
 		t.Errorf("Error: %s", err.Error())
 	}
@@ -24,9 +25,40 @@ func TestGetPathSizeFile(t *testing.T) {
 	}
 }
 
+func TestGetPathSizeFileHumanInBytes(t *testing.T) {
+	path := filepath.Join("../testdata/testfile.txt")
+	human := true
+	result, err := pathsize.GetPathSize(path, false, human, false)
+	if err != nil {
+		t.Errorf("Error: %s", err.Error())
+	}
+
+	expectedResult := fmt.Sprintf("%s\t%s", "10.00B", path)
+	require.Equal(t, result, expectedResult)
+	if result != expectedResult {
+		t.Errorf("Actual result %s does not match the expected result %s", result, expectedResult)
+	}
+}
+
+func TestGetPathSizeFileHumanInKiloBytes(t *testing.T) {
+	path := filepath.Join("../testdata/image.jpg")
+	human := true
+	result, err := pathsize.GetPathSize(path, false, human, false)
+	if err != nil {
+		t.Errorf("Error: %s", err.Error())
+	}
+
+	expectedResult := fmt.Sprintf("%s\t%s", "42.14KB", path)
+	require.Equal(t, result, expectedResult)
+	if result != expectedResult {
+		t.Errorf("Actual result %s does not match the expected result %s", result, expectedResult)
+	}
+}
+
 func TestGetPathSizeDir(t *testing.T) {
 	path := filepath.Join("../testdata/testdir")
-	result, err := pathsize.GetPathSize(path, false, true, false)
+	human := false
+	result, err := pathsize.GetPathSize(path, false, human, false)
 	if err != nil {
 		t.Errorf("Error: %s", err.Error())
 	}