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From: | Carlos Alberto Teixeira Magalhães |
Subject: | Explicação com Comando AWK |
Date: | Tue, 14 Apr 2015 11:13:56 -0300 |
> cat temp1 1 rs1 AA 10 1 rs2 DD 20 1 rs3 EE 30 1 rs4 RR 40 > cat temp2 1 rs1 Pascal 1 rs4 Albinoni > awk 'FNR==NR{a[$2]=$3;next}{print $0,a[$2]?a[$2]:"NA"}' temp2 temp1 1 rs1 AA 10 Pascal 1 rs2 DD 20 NA 1 rs3 EE 30 NA 1 rs4 RR 40 Albinoni
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