语句 awk -F , ✀{if ($1!~⼀尀.⼀) print $1","$3}✀ 和 awk -F"," ✀NR==FNR{a[$2]=$0;next}{sub($1,a[$1]

2025-05-22 18:24:12
推荐回答(1个)
回答1:

awk -F , '{if ($1!~/\./) print $1","$3}' :第一列不含有. ,则打印第一列和第三列

awk -F"," 'NR==FNR{a[$2]=$0;next}{sub($1,a[$1] :代码不全