diff --git a/tui/actions.go b/tui/actions.go
index 04e931b87..16df0d0d9 100644
--- a/tui/actions.go
+++ b/tui/actions.go
@@ -1,7 +1,6 @@
 package tui
 
 import (
-	"bufio"
 	"bytes"
 	"fmt"
 	"io"
@@ -13,13 +12,14 @@ import (
 	"strings"
 	"time"
 
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+
 	"github.com/dundee/gdu/v5/build"
 	"github.com/dundee/gdu/v5/pkg/analyze"
 	"github.com/dundee/gdu/v5/pkg/device"
 	"github.com/dundee/gdu/v5/pkg/fs"
 	"github.com/dundee/gdu/v5/report"
-	"github.com/gdamore/tcell/v2"
-	"github.com/rivo/tview"
 )
 
 const (
@@ -246,89 +246,6 @@ func (ui *UI) deleteSelected(shouldEmpty bool) {
 	}()
 }
 
-func (ui *UI) showFile() *tview.TextView {
-	if ui.currentDir == nil {
-		return nil
-	}
-
-	row, column := ui.table.GetSelection()
-	selectedFile := ui.table.GetCell(row, column).GetReference().(fs.Item)
-	if selectedFile.IsDir() {
-		return nil
-	}
-
-	f, err := os.Open(selectedFile.GetPath())
-	if err != nil {
-		ui.showErr("Error opening file", err)
-		return nil
-	}
-
-	totalLines := 0
-	scanner := bufio.NewScanner(f)
-
-	file := tview.NewTextView()
-	ui.currentDirLabel.SetText("[::b] --- " +
-		strings.TrimPrefix(selectedFile.GetPath(), build.RootPathPrefix) +
-		" ---").SetDynamicColors(true)
-
-	readNextPart := func(linesCount int) int {
-		var err error
-		readLines := 0
-		for scanner.Scan() && readLines <= linesCount {
-			_, err = file.Write(scanner.Bytes())
-			if err != nil {
-				ui.showErr("Error reading file", err)
-				return 0
-			}
-			_, err = file.Write([]byte("\n"))
-			if err != nil {
-				ui.showErr("Error reading file", err)
-				return 0
-			}
-			readLines++
-		}
-		return readLines
-	}
-	totalLines += readNextPart(defaultLinesCount)
-
-	file.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
-		if event.Rune() == 'q' || event.Key() == tcell.KeyESC {
-			err = f.Close()
-			if err != nil {
-				ui.showErr("Error closing file", err)
-				return event
-			}
-			ui.currentDirLabel.SetText("[::b] --- " +
-				strings.TrimPrefix(ui.currentDirPath, build.RootPathPrefix) +
-				" ---").SetDynamicColors(true)
-			ui.pages.RemovePage("file")
-			ui.app.SetFocus(ui.table)
-			return event
-		}
-
-		if event.Rune() == 'j' || event.Rune() == 'G' ||
-			event.Key() == tcell.KeyDown || event.Key() == tcell.KeyPgDn {
-			_, _, _, height := file.GetInnerRect()
-			row, _ := file.GetScrollOffset()
-			if height+row > totalLines-linesTreshold {
-				totalLines += readNextPart(defaultLinesCount)
-			}
-		}
-		return event
-	})
-
-	grid := tview.NewGrid().SetRows(1, 1, 0, 1).SetColumns(0)
-	grid.AddItem(ui.header, 0, 0, 1, 1, 0, 0, false).
-		AddItem(ui.currentDirLabel, 1, 0, 1, 1, 0, 0, false).
-		AddItem(file, 2, 0, 1, 1, 0, 0, true).
-		AddItem(ui.footerLabel, 3, 0, 1, 1, 0, 0, false)
-
-	ui.pages.HidePage("background")
-	ui.pages.AddPage("file", grid, true, true)
-
-	return file
-}
-
 func (ui *UI) showInfo() {
 	if ui.currentDir == nil {
 		return
diff --git a/tui/show_file.go b/tui/show_file.go
new file mode 100644
index 000000000..e5f15949d
--- /dev/null
+++ b/tui/show_file.go
@@ -0,0 +1,96 @@
+package tui
+
+import (
+	"bufio"
+	"os"
+	"strings"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+
+	"github.com/dundee/gdu/v5/build"
+	"github.com/dundee/gdu/v5/pkg/fs"
+)
+
+func (ui *UI) showFile() *tview.TextView {
+	if ui.currentDir == nil {
+		return nil
+	}
+
+	row, column := ui.table.GetSelection()
+	selectedFile := ui.table.GetCell(row, column).GetReference().(fs.Item)
+	if selectedFile.IsDir() {
+		return nil
+	}
+
+	f, err := os.Open(selectedFile.GetPath())
+	if err != nil {
+		ui.showErr("Error opening file", err)
+		return nil
+	}
+
+	totalLines := 0
+	scanner := bufio.NewScanner(f)
+
+	file := tview.NewTextView()
+	ui.currentDirLabel.SetText("[::b] --- " +
+		strings.TrimPrefix(selectedFile.GetPath(), build.RootPathPrefix) +
+		" ---").SetDynamicColors(true)
+
+	readNextPart := func(linesCount int) int {
+		var err error
+		readLines := 0
+		for scanner.Scan() && readLines <= linesCount {
+			_, err = file.Write(scanner.Bytes())
+			if err != nil {
+				ui.showErr("Error reading file", err)
+				return 0
+			}
+			_, err = file.Write([]byte("\n"))
+			if err != nil {
+				ui.showErr("Error reading file", err)
+				return 0
+			}
+			readLines++
+		}
+		return readLines
+	}
+	totalLines += readNextPart(defaultLinesCount)
+
+	file.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		if event.Rune() == 'q' || event.Key() == tcell.KeyESC {
+			err = f.Close()
+			if err != nil {
+				ui.showErr("Error closing file", err)
+				return event
+			}
+			ui.currentDirLabel.SetText("[::b] --- " +
+				strings.TrimPrefix(ui.currentDirPath, build.RootPathPrefix) +
+				" ---").SetDynamicColors(true)
+			ui.pages.RemovePage("file")
+			ui.app.SetFocus(ui.table)
+			return event
+		}
+
+		if event.Rune() == 'j' || event.Rune() == 'G' ||
+			event.Key() == tcell.KeyDown || event.Key() == tcell.KeyPgDn {
+			_, _, _, height := file.GetInnerRect()
+			row, _ := file.GetScrollOffset()
+			if height+row > totalLines-linesTreshold {
+				totalLines += readNextPart(defaultLinesCount)
+			}
+		}
+		return event
+	})
+
+	grid := tview.NewGrid().SetRows(1, 1, 0, 1).SetColumns(0)
+	grid.AddItem(ui.header, 0, 0, 1, 1, 0, 0, false).
+		AddItem(ui.currentDirLabel, 1, 0, 1, 1, 0, 0, false).
+		AddItem(file, 2, 0, 1, 1, 0, 0, true).
+		AddItem(ui.footerLabel, 3, 0, 1, 1, 0, 0, false)
+
+	ui.pages.HidePage("background")
+	ui.pages.AddPage("file", grid, true, true)
+
+	return file
+}