The issue started when I was using awk to match the output of ip link, but a single space stubbornly refused to match. $ ip -o link show ...... 13: zt

从市中心回家的时候路过了一个全息喷泉好好看, 偶尔偶尔还是会觉得都柏林像个正经"城市"的: 与此同时大多数时候它就是个: