Shell编程(六)awk工具
发布时间:2020-12-15 18:21:41 所属栏目:安全 来源:网络整理
导读:1. {print} coins.txt gold 1 1986 USA American Eaglegold 1 1968 Austria Franz Josef 100 Koronasilver 10 1964 USA ingotgold 1 1956 Switzeland ingot awk ‘ {print} ‘ coin.txt 1.1 {print $x}: 打印第x列 awk ‘ {print $1} ‘ coin.txt 1.2 用制表
1. {print}coins.txt gold 1 1986 USA American Eagle gold 1 1968 Austria Franz Josef 100 Korona silver 10 1964 USA ingot gold 1 1956 Switzeland ingot awk ‘{print}‘ coin.txt
1.1 {print $x}: 打印第x列awk ‘{print $1}‘ coin.txt
1.2 用制表键对齐1.3 打印行号 (NR)awk ‘{print NR "t" $1 "t" $2 "t" $3}‘ coin.txt
1.4 打印列号 (NF)? 1.5 查找功能(某行数据)awk ‘$3==1986{print $0}‘ coin.txt
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