Pattern search and save it as .txt file with some name..

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# 15  
Old 07-19-2011
OK. i will make sure not to continue a new requirement in the old post.
@michaelrozar17 - Its working but partially...
output of the above command retrives all the pattern starting with A, means its returning A123, A909 or anything starting with A in test.txt file.

I want to find only 2 pattern A123 and O23...

---------- Post updated at 06:14 PM ---------- Previous update was at 04:25 PM ----------

The above command is all displaying the pattern starting with A which i dont want.I only want A123 and O23...
# 16  
Old 07-19-2011
If it still does not work with the below command as required, please post the input file your trying with..
awk '/^A123|^O23/{print $0 >substr($0,0,4)".txt"}' test.txt

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