怎么使用grep命令过滤掉以空格开头的行,比如我想把这些注释都给删除掉再输出 location /ci/ { # proxy_pass http://47.92.112.6:20005; proxy_pass http://47.92.112.6:8055/; proxy_set_header Host $host:$server_port; proxy_set_header X-Forwarded-Proto $remote_addr; proxy_set_header X-Real-IP $...