hfxiang

回复 17# 77七

gawk "!a[$1]++{c[++i]=$1}{b[$1,a[$1]]=$0}END{s=asort(c,tA);for(i=1;i<=s;i++)for(j=1;j<=a[tA[i]];j++)print b[tA[i],j]}" 1.txt>2.txtCOPY