awk '{arr[$2]+=$1}END{for (i in arr) print i,arr[i]}' sort_all.txt | sort -k2nr -g 相关文章： 2022-12-23 2022-12-23 2022-02-10 2022-12-23 2021-10-23 2022-02-09 2022-12-23 2022-12-23