From f0f883299a92558c5956de2524a37900223e70c2 Mon Sep 17 00:00:00 2001
From: Jan Bader <c.github@jan.javil.eu>
Date: Mon, 2 Nov 2026 23:46:22 +0100
Subject: [PATCH] chore: improve error handling

---
 filesmap.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/filesmap.go b/filesmap.go
index dcc08d7..3881d6d 100644
--- a/filesmap.go
+++ b/filesmap.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"image"
 	"io/fs"
+	"os"
 	"path/filepath"
 	"sync"
 
@@ -124,9 +125,9 @@ func (fm *FilesMap) WalkDirectories() int64 {
 	var countFiles int64 = 0
 	sumSize := int64(0)
 	for _, path := range flag.Args() {
-		filepath.WalkDir(path, func(path string, info fs.DirEntry, err error) error {
+		err := filepath.WalkDir(path, func(path string, info fs.DirEntry, err error) error {
 			if err != nil || info == nil {
-				fmt.Printf("WARN: got %s for %s", err.Error(), path)
+				fmt.Fprintf(os.Stderr, "WARN: got '%v' for %s", err, path)
 				return nil
 			}
 
@@ -151,6 +152,9 @@ func (fm *FilesMap) WalkDirectories() int64 {
 			}
 			return nil
 		})
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "WARN: could not finish walking %q: %v\n", path, err)
+		}
 	}
 
 	fm.incomingBar.SetTotal(int64(countFiles), true)