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Shell script help

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  #1  
Old May 21st, 2009, 04:08 PM
gubbu_gubbu gubbu_gubbu is offline
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Shell script help
Here is 3 sample lines from a log file

<date> INFO <java.com.blah> abcd:ID= user login
<date> DEBUG <java.com.blah> <nlah bla> abcd:ID=123 user login
<date> INFO <java.com.blah> abcd:ID=3243 user login

I want to find unique "ID" from this log file. Problem is that it is not in the same delimiter field and also as null someimte "ID=" without any value which I like to ignore .

Any pointers or even possible with simple grep/awk command if not script?
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Old May 22nd, 2009, 10:34 AM
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LKBrwn_DBA LKBrwn_DBA is offline
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Thumbs down Exact format is better
It would me "better" if you post the EXACT format of the data in order to suggest a solution.
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Old May 25th, 2009, 03:25 AM
pdreyer pdreyer is offline
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Code:
sed -n '/:ID=[0-9]/ s/.*ID=\(.*\) user.*/\1/p' logfile | sort -u
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