Hi Nathan,
You can use the following approach:

The value for the FixedLedgerNbr variable is defined in the ConfigureFields script rather than the ProcesRecords script since it only needs to be specified once.
The code in the ProcessRecords script is defensive and tests for a Null value in the 'Account Number' field.
Note: In this case it is likely to be ok to use a string (str) data type for the NewLedgerNbr and OldLedgerNbr fields. However, it is advisable to use the unicode data type for strings in situations where you cannot guarantee that only ASCII character values will be included in the string.
Regards,
Adrian
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Adrian Williams
Precisely Software Inc.
Naperville IL
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