This class can be used to perform several types of operations to manipulate files and directories. Currently it can: - Filter file names to remove invalid characters - Check whether a file exists - List directory files that match a file name pattern - Retrieve information about files - Remove a directory and its files recursively - Remove all directory files that match a file name pattern - Synchronize the files of two directories recursively - Store the values of an array in a file - Remove a given line from a text file