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<13>Nov 13 17:27:25 OamCOMM[12260]:
TIMESTAMP=Tue Nov 13 17:27:25 2018
...
}
Message Id=10011
END OF REPORT

#!/bin/perl

...
while  (<IN>) {
        print if /\*\sparameters after change\s\=/ .. /\*\sNRG locatio
+n\s\=/;
}