S) Reformat and normalize example -- Input : 1,2,3-7,8,9

-

 Input : 1,2,3-7,8,9

Output :

1

2

3

4

5

6

7

8

9 

Solution 

let decimal(4)val1 =0; 

let decimal(4)val2 =0; 

let decimal(4)diff =0; 

 

out::reformat(in)= 

begin 

if(string_index(in.id,"-")) 

        begin 

        val1 =string_substring(string_replace(string_substring(in.id,1,string_index(in.id,"-")-1),","," "),1,1); 

        val2=string_substring(string_replace(string_substring(in.id,string_index(in.id,"-")+1,string_length(in.id)),",",""),3,1); 

        diff =(val2-val1)+1; 

        end 

 else diff =1; 

 out.id :: if (string_index(in.id,"-")> 0) val1  else in.id; 

 out.diff :: diff; 

 end; 

Normalize 

out::length(in)= 

begin 

out:: (decimal("|"))in.diff; 

end; 

 

/*Do computation*/ 

out::normalize(in,index)= 

begin 

out.id::if(index ==0) (decimal("")) in.id else string_lrtrim((decimal("")) in.id+index); 

end; 

O/p DML 

Record 

String(“\n”)id; 

End  

 

Refomat 

 

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