INFORMATION PROCESSING METHOD, INFORMATION PROCESSOR, INFORMATION PROCESSING SYSTEM, MULTIMEDIA PRESENTATION SYSTEM, FILE UPDATING METHOD, MULTIMEDIA PRESENTATION METHOD, AND STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a file updating method which can easily and securely evade the storage of unnecessary multimedia raw materials in a storage means in a system which records a scenario and multimedia raw material from a transfer source in the storage means and reproduces the multimedia raw materials according to the scenario. SOLUTION: When a scenario file recorded on an HDD 13a is erased, unnecessary multimedia raw material files on the HDD 13a are also automatically deleted. Namely, the scenario to be erased and remaining scenarios in the same directory on the HDD 13a are compared and files are erased except raw material files that the remaining scenarios are using among the raw material files that the scenario is using.