Function cleanFileName

src/data.go:1348–1384

cleanFileName removes invalid characters for filesystem and truncates long names

(name string)

// cleanFileName removes invalid characters for filesystem and truncates long names
func cleanFileName(name string) string {
	// Replace invalid filesystem characters
	invalidChars := []string{"/", "\\", ":", "*", "?", "\"", "<", ">", "|"}
	cleanName := name

	for _, char := range invalidChars {
		cleanName = strings.ReplaceAll(cleanName, char, "_")
	}

	// Remove or replace other problematic characters
	cleanName = strings.ReplaceAll(cleanName, "&", "and")
	cleanName = strings.ReplaceAll(cleanName, "'", "")
	cleanName = strings.ReplaceAll(cleanName, "`", "")

	// Remove URLs that might have been concatenated with the name
	// Look for patterns like "https___" or "http___" and remove everything after
	if idx := strings.Index(cleanName, "https___"); idx != -1 {
		cleanName = cleanName[:idx]
	} else if idx := strings.Index(cleanName, "http___"); idx != -1 {
		cleanName = cleanName[:idx]
	}

	// Trim whitespace
	cleanName = strings.TrimSpace(cleanName)

	// Truncate filename if it's still too long (max 100 characters to be safe)
	maxLength := 100
	if len(cleanName) > maxLength {
		cleanName = cleanName[:maxLength]
		// Try to truncate at a word boundary
		if lastSpace := strings.LastIndex(cleanName, " "); lastSpace > maxLength/2 {
			cleanName = cleanName[:lastSpace]
		}
	}

	return cleanName
}