In the modern times, the data is increasing dramatically. As a result, the large organizations may have maintained servers to store their organizational data in the form of files located in different directories. Very often, these organization may need to apply some filters to get files of a specific type i-e *.docx or *.txt etc. Filtering through a huge number files is not an easy job for the human beings and they might think if there is some automated system to achieve this....file type could have more than one extension and multiple filters...