參數排序:map結構的key排序-包含嵌套排序 1. 排序前的map: { "data": { "testA": 20.45, "testC": "ok", "testB": 100, "dtL3": { "B": 1, "A": 10, "C": "1694833200000", "dtL4": {
docker images排除latest,tag排序,輸出每個鏡像第一(或最後)一條 root@master:~# docker images | grep -v REPOSITORY | sort -t $'\t' -r -k 2 | awk 'BEGIN{n=""}n!=$1 !/latest/{n=$1;print $1":"$2}' ubuntu:18.04 python:3-al