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Full Discussion: Combine a datafile with Master datafile, emergent!
Top Forums Shell Programming and Scripting Combine a datafile with Master datafile, emergent! Post 302117107 by onthetopo on Thursday 10th of May 2007 09:18:24 PM
Old 05-10-2007
Combine a datafile with Master datafile, emergent!
Hi guys, my supervisor has asked me to solve the problem in 7 days, I've taken 3 days to think about it but couldn't figure out any idea.
Please give me some thoughts with the following problem,

I have index.database that has only index date:
1994
1995
1996
1997
1998
1999

I have small.database.csv that contains data for some of the indexed dates but not all of them:

1995, california, A3,B6
1999, vermont, A4,B9

I want to match the small.database.csv into index.database into a combined.database.csv so it would look like:

1994,,,
1995, california, A3,B6
1996,,,
1997,,,
1998,,,
1999, vermont, A4,B9

shell scripts or perl would both be fine

Thanks a lot.
My supervisor is after me on this one.
 

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