Creation of source file

Hi All,
I am a newbie,I am trying to create source file for the market dim including (population attr dim ).
again in population attri dim i hv 3 levels small,merdium,large.
manually i can create wt ever i need bt using rules file concept how i can ?....
please through some light on preparation of srcfile.
Thanks in advance
kishore

Hi Thanks for the reply,
1)i came to know 1 new thing 4m ur post is ,we can also include consolidation operators in our src files & even i tried it bt i dint get any option for the operators.
2) i did the same wt u sugessted,bt wt i need from the below srcfile is
Market,NA,North_America,+,Large,10,000,000
NA,East,East_Region,+,Medium,5,000,000
East,NE,North_East,+,Small,3,000,000
where medium & (population)3,000,000 r attribute dinmesions.
when i build dim by the above src file , population attri dim is nt getting properly how i wanted to be.
its coming like
population
|->10,000,000
5,000,000
3,000,000
wt i wanna be is like
population
|->large
10,000,000
8,000,000
|->medium
5,000,000
4,000,000
|->small
3,000,000
2,000,000
Hope u l understand wt exactly am luking for.
thanks
kishore

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