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Full Discussion: Parsing a $VARIABLE within a script.
Top Forums Shell Programming and Scripting Parsing a $VARIABLE within a script. Post 302706493 by Chubler_XL on Wednesday 26th of September 2012 11:06:47 PM
Old 09-27-2012
The solution I posted earlier should work for this data eg:

Code:
EVENTMSG="Sept 21, 2012 8:21:55 PM MDT - Device Main_Server_01 of type Host_Server is no longer responding to requests.  This condition has persisted for more than 3 minutes.
 
 Alert Code: Danger
 Server Instance: 31415
 Severity: Critical"
SI=$(echo "$EVENTMSG" | sed -nE 's/.+Server Instance:\s(\S+)/\1/p')
echo $SI

Output is:
Code:
31415

If you know extended regular expressions, and I suspect you do as you posted the above RE in your first post.
You should be able to tailor the sed command to fetch any value you are after.
 

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