For batch files containing 001 fields with a bare OCLC number or that has no useable 001, but does have 035 with OCLC numbers (OCoLC), and if we have access to OCLC Connexion, when working on batch files.
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1-MarcEdit
Clean up:
Delete any incorrect 001 fields (or 001s without prefixes) using Add/Delete Field
Why we need
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a special workflow(we want the 001 to match the oclc records for Government Documents already loaded into our library catalog, and the OCLC method of applying prefixes is a weird artifact of history.
OCLC 001 number prefixes vary according to length of numbers.
The OCLC control number numbers in field 001 is are prefixed by ocm, ocn, or on. | OCLC numbers 1 through 99999999:
OCLC numbers 100000000 and higher:
OCLC numbers 1000000000 and higher:
| ocm00012345 ocn123456789 on1345345345 |
2-Do a Find All on 035 fields
While the Find all: screen is open
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Find the copy icon in the lower left side and click on it
3-Excel
And Open a blank worksheet in Excel and paste the copied find all all text
Clean up the text to just the OCLC number with the search of an asterix in front of it.
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To get rid of $z numbers; Data tab; Text to columns; Delimitted; Other: $
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Then Find; Replace a(OCoLC) with * to get rid of the rest of the remaining non-number text in the subfield a number column
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Copy the cleaned up column of OCLC
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numbers from the $a
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Open Notepad and paste the column in
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Save it with an easy to find name
4-CONNEXION
Batch; Enter bibliographic search keys
Import; then find the text file
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Save the Search keys: and Close
If you have an empty Local Save File, go on to next step, otherwise, stop and create one/or empty one the save file in Local File Manager
Batch; Process Batch:
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Select your Save file
Select [x] Online Searches
OK
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This will take a few minutes (or longer)
When OCLC finishes, a summary screen will come up with the results:
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Do an F3; Return key search of the local save file; select the first bib; scroll to the end and Ctrl-Shift-Click to select entire file
…And, might as well go ahead & set our Holdings; Update Holdings
Export all those marked recordsand give it an easy to find name: OCLCforGPOpilot001s
File will have the suffix of .dat
MarcEdit
If you do MarcBreaker on it, you will see those lovely prefixed and zero padded as needed field 001s
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Source file: the OCLC records with their proper 001 fields
Merge file: the GPO pilot project records (deleted 001s)
Save file: the new merged file name
Next=>
Select the 001 field only; click arrow to send to Merge Fields
Next=>
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