diff --git a/internal/tui/checkbox.go b/internal/tui/checkbox.go
index f72e2d3..a2e45a8 100644
--- a/internal/tui/checkbox.go
+++ b/internal/tui/checkbox.go
@@ -21,11 +21,9 @@ func (c Checkbox) Render(focused bool) string {
 		marker = uncheckedStyle.Render(marker)
 	}
 
-	label := labelStyle.Render(c.Label)
 	if focused {
-		label = focusedStyle.Render("▶ " + marker + " " + c.Label)
-		return label
+		return focusedStyle.Render("▶ " + marker + " " + c.Label)
 	}
 
-	return "  " + marker + " " + label
+	return "  " + marker + " " + labelStyle.Render(c.Label)
 }
diff --git a/internal/tui/form.go b/internal/tui/form.go
index 786c326..fc59a66 100644
--- a/internal/tui/form.go
+++ b/internal/tui/form.go
@@ -14,7 +14,7 @@ import (
 
 const (
 	fieldInputDir = iota
-	fieldOutputFile
+	fieldOutputDir
 	fieldAppend
 	fieldForce
 	fieldVerticalSlices
@@ -35,7 +35,7 @@ const (
 type FormModel struct {
 	focusIndex     int
 	inputDir       textinput.Model
-	outputFile     textinput.Model
+	outputDir      textinput.Model
 	drivePath      textinput.Model
 	maxDepth       textinput.Model
 	maxSize        textinput.Model
@@ -60,10 +60,10 @@ func NewForm() FormModel {
 	inputDir.SetValue(".")
 	inputDir.SetWidth(60)
 
-	outputFile := textinput.New()
-	outputFile.Placeholder = "./output_dirmd/index.md"
-	outputFile.SetValue("./output_dirmd/index.md")
-	outputFile.SetWidth(60)
+	outputDir := textinput.New()
+	outputDir.Placeholder = "./output_dirmd"
+	outputDir.SetValue("./output_dirmd")
+	outputDir.SetWidth(60)
 
 	drivePath := textinput.New()
 	drivePath.Placeholder = "/my-files/md/"
@@ -85,7 +85,7 @@ func NewForm() FormModel {
 
 	m := FormModel{
 		inputDir:       inputDir,
-		outputFile:     outputFile,
+		outputDir:      outputDir,
 		drivePath:      drivePath,
 		maxDepth:       maxDepth,
 		maxSize:        maxSize,
@@ -118,7 +118,7 @@ func (m *FormModel) SetDark(isDark bool) {
 func (m *FormModel) applyStyles() {
 	tiStyles := getDefaultInputStyles(m.isDark)
 	m.inputDir.SetStyles(tiStyles)
-	m.outputFile.SetStyles(tiStyles)
+	m.outputDir.SetStyles(tiStyles)
 	m.drivePath.SetStyles(tiStyles)
 	m.maxDepth.SetStyles(tiStyles)
 	m.maxSize.SetStyles(tiStyles)
@@ -133,7 +133,7 @@ func (m *FormModel) shouldSkipField(idx int) bool {
 
 func isTextInputField(idx int) bool {
 	switch idx {
-	case fieldInputDir, fieldOutputFile, fieldDrivePath, fieldMaxDepth, fieldMaxSize, fieldIgnorePatterns:
+	case fieldInputDir, fieldOutputDir, fieldDrivePath, fieldMaxDepth, fieldMaxSize, fieldIgnorePatterns:
 		return true
 	}
 	return false
@@ -141,7 +141,7 @@ func isTextInputField(idx int) bool {
 
 func (m *FormModel) focusActiveField() tea.Cmd {
 	m.inputDir.Blur()
-	m.outputFile.Blur()
+	m.outputDir.Blur()
 	m.drivePath.Blur()
 	m.maxDepth.Blur()
 	m.maxSize.Blur()
@@ -152,8 +152,8 @@ func (m *FormModel) focusActiveField() tea.Cmd {
 	switch m.focusIndex {
 	case fieldInputDir:
 		cmd = m.inputDir.Focus()
-	case fieldOutputFile:
-		cmd = m.outputFile.Focus()
+	case fieldOutputDir:
+		cmd = m.outputDir.Focus()
 	case fieldDrivePath:
 		cmd = m.drivePath.Focus()
 	case fieldMaxDepth:
@@ -269,9 +269,9 @@ func (m FormModel) Update(msg tea.Msg) (FormModel, tea.Cmd) {
 		var cmd tea.Cmd
 		m.inputDir, cmd = m.inputDir.Update(msg)
 		cmds = append(cmds, cmd)
-	case fieldOutputFile:
+	case fieldOutputDir:
 		var cmd tea.Cmd
-		m.outputFile, cmd = m.outputFile.Update(msg)
+		m.outputDir, cmd = m.outputDir.Update(msg)
 		cmds = append(cmds, cmd)
 	case fieldDrivePath:
 		var cmd tea.Cmd
@@ -303,7 +303,7 @@ func (m FormModel) View() string {
 		usableWidth = 80
 	}
 	m.inputDir.SetWidth(usableWidth)
-	m.outputFile.SetWidth(usableWidth)
+	m.outputDir.SetWidth(usableWidth)
 	m.drivePath.SetWidth(usableWidth)
 	m.ignoreArea.SetWidth(usableWidth)
 
@@ -314,7 +314,7 @@ func (m FormModel) View() string {
 
 	b.WriteString(m.renderTextField("Input directory", m.inputDir, m.focusIndex == fieldInputDir))
 	b.WriteString("\n")
-	b.WriteString(m.renderTextField("Output file", m.outputFile, m.focusIndex == fieldOutputFile))
+	b.WriteString(m.renderTextField("Output directory", m.outputDir, m.focusIndex == fieldOutputDir))
 	b.WriteString("\n\n")
 
 	b.WriteString(m.appendMode.Render(m.focusIndex == fieldAppend))
@@ -398,9 +398,9 @@ func (m FormModel) ToConfig() (*config.Config, error) {
 		inputDir = "."
 	}
 
-	outputFile := m.outputFile.Value()
-	if outputFile == "" {
-		return nil, fmt.Errorf("output file required")
+	outputDir := m.outputDir.Value()
+	if outputDir == "" {
+		return nil, fmt.Errorf("output directory required")
 	}
 
 	maxDepth, err := parseIntDefault(m.maxDepth.Value(), 20)
@@ -442,7 +442,7 @@ func (m FormModel) ToConfig() (*config.Config, error) {
 
 	cfg := &config.Config{
 		InputPath:      inputDir,
-		OutputPath:     outputFile,
+		OutputPath:     outputDir,
 		AppendMode:     m.appendMode.Checked,
 		Force:          m.force.Checked,
 		MaxSize:        int64(maxSizeKB) * 1024,
diff --git a/internal/tui/generate.go b/internal/tui/generate.go
index 2a9ed4c..70fc76b 100644
--- a/internal/tui/generate.go
+++ b/internal/tui/generate.go
@@ -27,7 +27,7 @@ func Generate(cfg *config.Config) GenerateResult {
 	}
 	cfg.AbsRoot = abs
 
-	var outputBase string
+	var outputDir string
 
 	if cfg.AppendMode || cfg.SingleFile {
 		absOutput, err := filepath.Abs(cfg.OutputPath)
@@ -49,18 +49,17 @@ func Generate(cfg *config.Config) GenerateResult {
 			return result
 		}
 
-		outputBase = absOutput
+		outputDir = absOutput
 	} else {
 		absOutput, err := filepath.Abs(cfg.OutputPath)
 		if err != nil {
 			result.Error = fmt.Errorf("resolve output path: %w", err)
 			return result
 		}
-		absOutput = filepath.Join(filepath.Dir(absOutput), filepath.Base(absOutput)+"_dirmd")
 
-		if !cfg.AppendMode {
-			if _, err := os.Stat(absOutput); err == nil && !cfg.Force {
-				result.Error = fmt.Errorf("output %s exists (enable force)", absOutput)
+		if _, err := os.Stat(absOutput); err == nil && !cfg.Force {
+			if info, err2 := os.Stat(absOutput); err2 == nil && !info.IsDir() {
+				result.Error = fmt.Errorf("output %s exists and is not a directory (enable force)", absOutput)
 				return result
 			}
 		}
@@ -71,7 +70,7 @@ func Generate(cfg *config.Config) GenerateResult {
 		}
 
 		cfg.OutputPath = absOutput
-		outputBase = absOutput
+		outputDir = absOutput
 	}
 
 	walkResult, err := walker.Run(cfg)
@@ -96,6 +95,10 @@ func Generate(cfg *config.Config) GenerateResult {
 		result.Files = generated
 	} else {
 		indexPath := cfg.OutputPath
+		if !cfg.AppendMode && !cfg.SingleFile {
+			indexPath = filepath.Join(outputDir, "index_"+repoName+".md")
+		}
+
 		if err := renderer.Write(walkResult, indexPath, cfg.AppendMode, cfg.SingleFile); err != nil {
 			result.Error = err
 			return result
@@ -106,7 +109,7 @@ func Generate(cfg *config.Config) GenerateResult {
 	if cfg.ProtonDrive {
 		remoteDir := cfg.DrivePath
 		if remoteDir == "" {
-			remoteDir = "/my-files/md/" + filepath.Base(outputBase)
+			remoteDir = "/my-files/md/" + filepath.Base(outputDir)
 		}
 
 		if err := drive.CheckAuth(); err != nil {
@@ -121,6 +124,9 @@ func Generate(cfg *config.Config) GenerateResult {
 			}
 		} else {
 			indexPath := cfg.OutputPath
+			if !cfg.AppendMode && !cfg.SingleFile {
+				indexPath = filepath.Join(outputDir, "index_"+repoName+".md")
+			}
 			if err := drive.Upload(indexPath, remoteDir); err != nil {
 				result.Error = fmt.Errorf("drive upload: %w", err)
 				return result
diff --git a/internal/tui/model.go b/internal/tui/model.go
index 4b2e017..90f50c3 100644
--- a/internal/tui/model.go
+++ b/internal/tui/model.go
@@ -7,6 +7,8 @@ import (
 	"charm.land/bubbles/v2/textinput"
 	tea "charm.land/bubbletea/v2"
 	"charm.land/lipgloss/v2"
+
+	"dirmd/internal/config"
 )
 
 type State int
@@ -39,6 +41,7 @@ type Model struct {
 	isDark  bool
 	width   int
 	height  int
+	command string
 }
 
 func New() Model {
@@ -79,6 +82,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 					m.form.SetError(err.Error())
 					return m, nil
 				}
+				m.command = buildCommand(cfg)
 				m.state = StateGenerating
 				return m, func() tea.Msg {
 					return genResultMsg{result: Generate(cfg)}
@@ -114,6 +118,70 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
+func buildCommand(cfg *config.Config) string {
+	var parts []string
+	parts = append(parts, "dirmd")
+
+	parts = append(parts, "-o", cfg.OutputPath)
+
+	if cfg.AppendMode {
+		parts = append(parts, "-a")
+	}
+	if cfg.Force {
+		parts = append(parts, "-f")
+	}
+	if cfg.VerticalSlices {
+		parts = append(parts, "--vertical-slices")
+	}
+	if cfg.SkipFrontend {
+		parts = append(parts, "--skip-frontend")
+	}
+	if cfg.FrontendOnly {
+		parts = append(parts, "--frontend-only")
+	}
+	if cfg.OmitTest {
+		parts = append(parts, "--omit-test")
+	}
+	if cfg.OmitMd {
+		parts = append(parts, "--omit-md")
+	}
+	if cfg.ProtonDrive {
+		parts = append(parts, "--proton-drive")
+		if cfg.DrivePath != "" {
+			parts = append(parts, "--drive-path", cfg.DrivePath)
+		}
+	}
+	if cfg.MaxDepth != 20 {
+		parts = append(parts, "--max-depth", fmt.Sprintf("%d", cfg.MaxDepth))
+	}
+	if cfg.MaxSize != 512*1024 {
+		parts = append(parts, "--max-size", fmt.Sprintf("%d", cfg.MaxSize))
+	}
+
+	extraIgnores := extraIgnores(cfg)
+	for _, ig := range extraIgnores {
+		parts = append(parts, "--ignore", ig)
+	}
+
+	parts = append(parts, cfg.InputPath)
+
+	return strings.Join(parts, " ")
+}
+
+func extraIgnores(cfg *config.Config) []string {
+	defaultSet := make(map[string]bool)
+	for _, d := range config.DefaultIgnores {
+		defaultSet[d] = true
+	}
+	var extra []string
+	for _, ig := range cfg.Ignores {
+		if !defaultSet[ig] {
+			extra = append(extra, ig)
+		}
+	}
+	return extra
+}
+
 func (m Model) View() tea.View {
 	var content string
 
diff --git a/internal/tui/run.go b/internal/tui/run.go
index 78992f9..eae2be9 100644
--- a/internal/tui/run.go
+++ b/internal/tui/run.go
@@ -2,15 +2,28 @@ package tui
 
 import (
 	"fmt"
+	"os"
 
 	tea "charm.land/bubbletea/v2"
 )
 
 func Run() error {
 	p := tea.NewProgram(New())
-	_, err := p.Run()
+	m, err := p.Run()
 	if err != nil {
 		return fmt.Errorf("tui error: %w", err)
 	}
+
+	if model, ok := m.(Model); ok {
+		if model.command != "" {
+			if model.result.Error != nil {
+				fmt.Fprintf(os.Stderr, "failed: %s\n", model.command)
+				fmt.Fprintf(os.Stderr, "error: %v\n", model.result.Error)
+			} else {
+				fmt.Fprintf(os.Stdout, "%s\n", model.command)
+			}
+		}
+	}
+
 	return nil
 }