awk sep data extracting lines after certain variable

I have a large file that has some regular pattern

       snaps1:          Counter:             4966
        Opens:          Counter:           357283

     Instance:     s.1.aps.userDatabase.mount275668.attributes


       snaps1:          Counter:             0
        Opens:          Counter:           357283

     Instance:     s.1.aps.userDatabase.test.attributes

These line are repeated among other lines above and below. I need to print the snaps1 line and also get the instance: line So I need to search for snaps1 but only if counter is greater than 0 and then print snaps1 line and also the instance line.

Sorry have no clue on how to do this? Can you help?

So from the lines above I should see this output

snaps1:          Counter:             4966
Instance:        s.1.aps.userDatabase.mount275668.attributes

Appreciate any help you can provide

Answer

$ awk '/snaps1/{s=$0; c=$NF} /Instance/ && c{print s ORS $0}' file
       snaps1:          Counter:             4966
     Instance:     s.1.aps.userDatabase.mount275668.attributes

Advertisement

Answer