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Date: | Mon, 15 Aug 2011 20:18:44 +0000 |
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One last piece of the puzzle (I hope). After all this work with LDRs, I discovered that some of the OCLC record numbers in the Source file do not match those in the Merge file (because the source numbers were moved to field 019 subsequent to a merger of records on OCLC). I hand removed them while testing the protocol, but again, a machine mechanism is preferable for large filed.
I have looked at MARCSplit and at Select MARC Records, but neither seems to serve -- the MARCSplit is just a "chunking" of a file into smaller bits and the Select MARC Records operates on the actual MARC records. Am I overlooking a way to discriminate between records in the mnemonic file and park them into two individual subfiles based on a criterion? Since I remove the LDR from the Source file records before merging the clean LDRs back in, my previous experience with the LDR in the wrong place leads me to believe that things will go haywire if I attempt to recompile the mnemonic data back into real MARC for an attempt at Select MARC Records (which looked intimidating in any case).
I have a vague memory of this coming up before on the list, but it's sufficiently off the wall that I am uncertain I could construct a search in the archives to retrieve what I think I remember and I am equally uncertain my memory even applies to this circumstance.
John F. Myers, Catalog Librarian
Schaffer Library, Union College
807 Union St.
Schenectady NY 12308
518-388-6623
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