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252:marcrevlogicchange [2018/12/26 14:41]
richard
252:marcrevlogicchange [2018/12/26 14:42] (current)
richard
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 +====== MARC Review logic update ======
 +
 +In version 252 of MARC Report, we made a change to the logic of MARC Review. This change does __not__ impact MARC Global.
 +
 +This change only applies to patterns in MARC Review that specify only a Tag and a Tag Occurrence, and use the "Not" Rule. 
 +
 +For example:
 +
 +{{:252:mrlogic.jpg|}}
 +
 +In the past (and possibly this was by design, since we have traced the issue back many years), this pattern would identify every 020 in a file except if it is the second occurrence of 020 in a record. Using the updated logic, this pattern will identify every record in a file that does not contain a second 020. 
 +
 +__The new logic is enabled by default.__ 
 +
 +To revert to the old logic:
 +
 +1. If the last number of your MARC Report 252 version is greater than 237, the logic described above can be reverted  using the MARC Review options form.
 +
 +Start MARC Review, and click on the 'Options' button. Uncheck last checkbox (on the 'General' options tab):
 +
 +{{:252:logicmodopt.jpg|}}
 +
 +2. If the last number of your MARC Report 252 version is 237, use these steps:
 +
 +When MARC Report is not running, go to your MarcReport\Options folder, and open the file named myMarcGlobalOptions.cfg in a text editor. Go to the last line ('UserCustomizableOptionString=') and add the string 'occLogicMod:false' after the equals sign, so that you have:
 +
 +  UserCustomizableOptionString=occLogicMod:false
 +
 +Save the file.
 +
 +====== Impact of change on saved reviews ======
 +
 +Any saved reviews that uses the pattern specified above will be evaluated using the current option setting, regardless of when the review was created.
 +
 +Note that patterns that contain more attributes are not going to be affected. For example, a pattern like 
 +  Tag  020
 +  Occ  2
 +  Data pbk
 +  Rule Not
 +contains a string to match, in addition to the Tag and Occurrence, and thus won't be affected by this change in logic.
 +
 +In addition, any pattern used in a MARC Global review will not be affected.
252/marcrevlogicchange.txt · Last modified: 2018/12/26 14:42 by richard
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