| 摘要 |
<p>PROBLEM TO BE SOLVED: To automatically install an application program whose version is optimal to a data file without making a user to perform any troublesome version judgment, and to automatically start the application. SOLUTION: A document file to be read is analyzed so that a feature point such as the reserved word of a macro-instruction can be extracted, and the version of an application suitable for the document file is identified according to the extracted feature point. Then, whether an application program of the identified version is already installed is judged, and when it is judged that such application program has not been installed, the application program of the pertinent version is newly installed.</p> |
