Function getFileExtension

misc.go:416–425

getFileExtension returns the extension of a file with a leading dot. It returns an empty string if extension could not be determined i.e. directories, filenames without extensions

(file fs.FileInfo)

// It returns an empty string if extension could not be determined
// i.e. directories, filenames without extensions
func getFileExtension(file fs.FileInfo) string {
	if file.IsDir() {
		return ""
	}
	if strings.Count(file.Name(), ".") == 1 && file.Name()[0] == '.' {
		// hidden file without extension
		return ""
	}
	return filepath.Ext(file.Name())
}

// truncateFilename truncates a filename at a given position.
// The position is specified as percentage indicating where the truncation