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Q: How does INSPECT work?
Answer:
INSPECT examines/modifies string contents. INSPECT field TALLYING counter FOR ALL 'X'. INSPECT field REPLACING ALL 'A' BY 'B'. INSPECT field CONVERTING 'abc' TO '123'. Useful for data validation, transformation, and counting characters.
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Q: How to use UNSTRING with TALLYING?
Answer:
UNSTRING field-1 DELIMITED BY ',' INTO field-2 field-3 TALLYING IN count-var. Count-var shows how many receiving fields got data. With COUNT IN, tracks characters per field. ALL delimiter allows multiple consecutive delimiters as one.