cat f.txt | awk -F, '{$9=null;print $0}' | awk 'BEGIN{OFS=",";}{print $1,$2,$3,$4,$5,$6,$7,$8,$9,$10}' > afterdelete.csv 相关文章: 2022-12-23 2022-12-23 2021-09-30 2021-10-04 2022-12-23 2021-05-30 2022-12-23