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I have two questions here.
1. How to read a flat file in reverse order?
2. How to read a VSAM KSDS file in reverse order?
In both the cases we donot know the total number of records.
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Answer / kingmanish
For the KSDS file we can set the pointer on the last record.
After that use the command READ Previous to read the
records in the reverse order.
I am not very sure about flat file. May be we can use a
turn around.
Sort the file in descending order first and then start
reading.
| Is This Answer Correct ? | 7 Yes | 6 No |
Answer / hanish
Flat file may be read in reverse order by using the following code
READ file-name into data-name REVERSED.
| Is This Answer Correct ? | 0 Yes | 3 No |
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