You are right @bowesmana , the example data is Event <E523478>, Super <0>, Charge <N46965>, number <0199327578>, Card <2898005466>, Warn <true> Event <E523478>, Super <0>, Charge <N46965>, number <0199327578>, Card <2898005466>, Warn <false> Event <E521244>, Super <2>, Charge <N46965>, number <0199327750>, Card <2898005471>, CO <true>, Warn <true> In third case, I get the value of CO which is missing from other two log statements. I want to ignore CO in other two but would like to extract CO if available.
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