Directory search method, directory search apparatus, program for implementing and operating the same, and memory medium

摘要

There are a step of specifying a directory structure comprising a plurality of hierarchy levels and a step of finding out a specified directory structure from a memory medium loaded with data by a desired directory. This arrangement allows the file storing the image signal to be found out efficiently when an image signal is stored in the file of a directory structure having a predetermined name, even if countless directories have been created in a high-volume memory medium.