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A recording apparatus for creating under a directory a plurality of information files each having information data and creation date information, and recording the information files to a recording medium in which a name of the directory is changed according to a predetermined change in a range of th

A recording apparatus for creating under a directory a plurality of information files each having information data and creation date information, and recording the information files to a recording medium in which a name of the directory is changed according to a predetermined change in a range of the creation dates of the files being stored in the directory.

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1. A recording apparatus comprising:a recording medium interface arranged to store an information file under a directory and record the information file on a recording medium; detection means for detecting creation date of the information file stored under the directory in response to a recording of

1. A recording apparatus comprising:a recording medium interface arranged to store an information file under a directory and record the information file on a recording medium; detection means for detecting creation date of the information file stored under the directory in response to a recording of the information file by said recording medium interface; and control means for changing a name of the directory to a name relative to the creation date detected by said detection means according to recording of the information file by said recording medium interface. 2. An apparatus according to claim 1, wherein said control means changes the name of the directory to a name indicating the creation date of a new information file, according to an addition of the new information file to the directory.3. An apparatus according to claim 1, wherein said recording medium interface deletes a designated information file among a plurality of information files stored under the directory in response to a deletion instruction, andwherein said control means changes the name of the directory according to a deletion of a designated information file by said recording medium interface. 4. An apparatus according to claim 3, wherein said detection means detects the creation dates of the plurality of information files other than the designated information files stored under the directory in response to the deletion of the designated information file by said recording medium interface, and wherein said control means changes the name of the directory based on the creation dates of the plurality of information files other than the designated information file detected by said detection means in response to the deletion of the designated information file by said recording medium interface.5. An apparatus according to claim 4, wherein said control means changes the name of the directory to a name indicating the oldest creation date and the latest creation date from among the creation dates of the plurality of information files other than the designated information file.6. An apparatus according to claim 1, wherein said control means changes the name of the directory according to the fact that the information files stored in the directory has exceeded a predetermined number.7. An apparatus according to claim 6, wherein said control means changes the name of the directory from a name indicating the oldest creation date from among the creation dates of the plurality of information files stored in the directory, to a name indicating both the oldest creation date and the latest creation date.8. A recording apparatus comprising:a recording medium interface arranged to operate a plurality of information files recorded on a recording medium by storing under a directory the plurality of information files, said recording medium interface recording and deleting the information file on and from the recording medium; detecting means for detecting creation dates of the plurality of information files stored under the directory in response to an operation of the information file by said recording medium interface; and, control means for detecting a range of the creation dates of the plurality of information files stored under the directory according to the creation dates of the plurality of information files detected by said detecting means and changing a name of the directory according to the range of the creation dates. 9. An apparatus according to claim 8, wherein said control means changes the name of the directory to a name indicating the range of the creation dates.10. An apparatus according to claim 8, wherein said detecting means detects the creation dates of the plurality of information files stored under the directory in response to a recording of a new information file on the recording medium by said recording medium interface, and wherein said control means changes the name of the directory in response to the recording of the new information file on the recording medium.11. An apparatus according to claim 8, wherein said detecting means detects the creation dates of the plurality of information files stored under the directory in response to a deletion of the information file from the recording medium by said recording medium interface, and wherein said control means changes the name of the directory in response to the deletion of the information file from the recording medium.12. An apparatus according to claim 8, further comprising image pickup means, wherein the information file having image data obtained by said image pickup means.13. A recording apparatus comprising:writing means for storing an information file under a directory and writing the information file on a recording medium; detection means for detecting attribution values of a plurality of information files stored under the directory in response to a writing of a new information file by said writing means; and control means for changing a name of the directory to a name relative to the attribution values detected by said detection means, according to the writing of the new information file by said writing means. 14. An apparatus according to claim 13, wherein said control means changes the name of the directory according to the fact that the number of the information files stored in the directory has exceeded a predetermined number by the writing of the new information file on the recording medium.15. An apparatus according to claim 13, wherein control means detects a range of the attribution values of a plurality of information files stored under the directory according to the attribution values detected by said detection means and changes the name of the directory to a name indicating the range of the attribution values.16. An apparatus according to claim 13, wherein said writing means deletes the information file from said recording medium, wherein said detection means detects the attribution values of a plurality of information files stored under the directory in response to a deletion of the information file by said writing means, and wherein said control means changes the name of the directory according to the deletion of the information file.17. A recording apparatus comprising:a writing means for storing an information file under a first directory and writing the information file on a recording medium, said writing means generating a second directory in response to an instruction to generate a new directory; detection means for detecting attribution values of a plurality of the information files stored under a first directory in response to the instruction to generate a new directory; and control means for changing a name of the first directory to a name relative to the attribution values detected by said detection means, according to the instruction generate a new directory. 18. A method of recording information files, comprising the steps of:storing an information file under a directory with a recording medium interface, to record the information file on a recording medium; detecting creation date of the information file stored under the directory in response to a recording of the information file by said storing step; and effecting a control to change a name of the directory to a name relative to the creation date detected in said detection step, according to recording of the information file by said storing step. 19. A method according to claim 18, wherein, said controlling step includes a step of changing the name of the directory to a name indicating the creation date of a new information file, according to an addition of the new information file to the directory.20. A method according to claim 18, wherein said storing step includes a step of deleting a designated information file among a plurality of information files stored under the directory in response to a deletion instruction, and wherein said controlling step includes a step of changing the name of the directory according to a deletion of a designated information file by said deleting step.21. A method according to claim 20, wherein said detecting step detects the creation dates of the plurality of information files other than the designated information file stored under the directory in response to the deletion of the designated information file by said deleting step, and wherein said controlling step includes a step of changing the name of the directory based on the creation dates of the plurality of information files other than the designated information file detected in said detecting step in response to the deletion of the designated information file by said deleting step.22. A method according to claim 21, wherein, said controlling step includes a step of changing the name of the directory to a name indicating the oldest creation date and the latest creation date from among the creation dates of the plurality of information files other than the designated information file.23. A method according to claim 18, wherein said controlling step includes a step of changing the name of the directory according to the fact that the information files stored in the directory has exceeded a predetermined number.24. A method according to claim 23, wherein said controlling step includes a step of changing the name of the directory from a name indicating the oldest creation date from among the creation dates of the plurality of information files stored in the directory, to a name indicating both the oldest creation date and the latest creation date.25. A method of recording information files, comprising the steps of:operating with a recording medium interface, a plurality of information files, recorded on a recording medium by storing under a directory the plurality of information files, said operating step including a step of recording and deleting the information file on and from the recording medium with said recording medium interface; detecting creation dates of the plurality of information files stored under the directory in response to an operation of the information file by said operating step; and effecting control to detect a range of the creation dates of the plurality of information files stored under the directory according to the creation dates of the plurality of information files detected in said detecting step and change a name of the directory according to the range of the creation dates. 26. A method according to claim 25, wherein, said controlling step includes a step of changing the name of the directory to a name indicating the range of the creation dates.27. A method according to claim 25, wherein, said detecting step detects the creation dates of the plurality of information files stored under the director in response to a recording of a new information file on the recording medium by said recording medium interface, and wherein said control step changes the name of the directory in response to the recording of the new information file on the recording medium.28. A method according to claim 25, wherein, said detecting step detects the creation dates of the plurality of information files stored under the directory in response to a deletion of the information file from the recording medium by said recording and deleting step, and wherein said control step changes the name of the directory in response to the deletion of the information file from the recording medium.29. A method according to claim 25, further comprising an image pickup step, wherein the information file having image data obtained in said image pickup step.30. A method of recording information files, comprising the steps of:storing an information file under a directory and writing the information file to a recording medium; detecting attribution values of a plurality of information files stored under the directory in response to a writing of a new information file by said storing and writing step; and effecting a control for changing a name of the directory to a name relative to the attribution values detected in said detection step, according to the writing of the new information file by said storing and writing step. 31. A method according to claim 30, wherein, said controlling step includes a step of changing the name of the directory according to the fact that the number of the information files stored in the directory has exceeded a predetermined number by the writing of the new information file on the recording medium.32. A method according to claim 30, wherein, said controlling step includes a step of detecting a range of the attribution values of a plurality of information files stored under the directory according to the attribution values detected in said detecting step and changing the name of the directory to a name indicating the range of the attribution values.33. A method according to claim 30, wherein, said storing and writing step includes a step of detecting the information file from said recording medium, wherein said attribution values detecting step detects the attribution values of a plurality of information files stored under the directory in response to a deletion of the information file by said storing and writing step, and wherein said control step changes the name of the directory according to the deletion of the information file.34. A method of recording information files, comprising the steps of:storing an information file under a first directory and writing the information file on a recording medium, said storing step including a step of generating a second directory in response to an instruction to generate a new directory; detecting attribution values of a plurality of information files stored under the first directory in response to the instruction to generate a new directory; and effecting a control for changing a name of the first directory name relative to the attribution values detected in said detection step, according to the instruction to generate a new directory. 35. A recording apparatus comprising:recording means for recording information files on a recording medium; managing means for generating a plurality of groups each including a plurality of information files recorded on the recording medium; detection means for detecting creation dates of the plurality of information files in the plurality of groups; and control means for detecting a range of the creation dates of the plurality of information files included in each of the plurality of groups according to the creation dates detected by said detection means and determining each name of the plurality of groups to a name indicative of the range of the creation dates of the plurality of information files included in each of the plurality of groups.