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I need your help? 11digit(n)-> 8digit(n)

shewon
Beginner
‎07-22-2002 06:27 AM
449 Views


Hi.

I have a problem with data. I have a very big data.
I guess it is about compressed 100 giga byte. I want to
change a field from 11(integer *8) digit to 8(integer
*4) digit. The field is like social security number.
but I just want to know population numbers. for example,
In this data ,


11222212222-> 1
11222212323-> 2
22212212122-> 3
11222212222-> 1
....

I guess the number of population is nearly 5 million.
I change the unique identify number. How can I change
the digit number? Please, let me know in fortran program?
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