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+ | EDITING VERY LARGE FILES WITH MARC REPORT | ||
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+ | In MARC Report we define a very large file as one that contains more than 100 MB (100, | ||
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+ | 'How to Name the Edit Results' | ||
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+ | 'How to Save Records' | ||
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+ | ' | ||
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+ | The default settings for the options above are the optimum settings for the average MARC editing situation. You may also need to use these setting when editing very large files, depending on your objectives. If possible, however, we recommend the following settings when working with very large files: | ||
+ | 1) How to Save Records--Changed records only. | ||
+ | 2) How to Name the Edit Results--Prompt for a filename. | ||
+ | 3) Clean Up Edit Work files--Weekly (no change). | ||
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+ | THE JUMP INDEX AND VERY LARGE FILES | ||
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+ | When running an Edit Session, the program first scans the file to create a jump index (a table of the starting offset for each record in the file). If you press the ' | ||
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+ | ABOUT THE EDIT SESSION IDENTIFIER | ||
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+ | When a file is edited in MARC Report, an 'Edit Session' | ||
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+ | The format of this Edit Session Identifier is: | ||
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+ | ' | ||
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+ | [mmdd] is the month and day that the Edit Session began. | ||
+ | [nn] is a serial number; it is set to ' | ||
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+ | For example: S1107_02 (Edit Session #2 from November 7) | ||
+ | This identifier appears in the lower left-hand corner of the editor. | ||
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+ | The Edit Session Idenitifer is used to create a folder on your hard disk in the program' | ||
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+ | A typical value for this folder would be: | ||
+ | C: | ||
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+ | The program uses this folder to save work during an edit session. It contains some (or all) of the following files: | ||
+ | -an index of the offsets in the sourcefile | ||
+ | -a title listing of the sourcefile | ||
+ | -a backup copy of the sourcefile (if your Edit options are set to ' | ||
+ | -a copy of every record that is edited | ||
+ | -a copy of the Edit results, before they are moved to the location specified in your Edit options (if your Edit options are not set to ' | ||
+ | -a file containing any records that were deleted (if your Edit options have set the 'Save deleted records' | ||
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