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iffrom scriptawk '!($1 in a)||$2=="ca"{a[$1]=$0}...'!($1 in a)||($2=="ca"){a[$1]=$0};END{for(i in a)print a[i]}';beforeEND. But I use GNU version -mawk==. And that only printed `boat as 5/5'. But if get rid of those spaces I do get the proper output. FWIW, I'm using gawk: GNU Awk 3.1.7. But I think I prefer the extra parentheses as it makes the precedence clear.