5 lines
142 B
Awk
5 lines
142 B
Awk
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$NF!=lastf2 {if(last2!="") print last2
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lastf2=lastf1; last2=last1; lastf1=$NF; last1=$0}
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$NF==lastf2 {print}
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END {print last2; print last1}
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