我有文件包含以下几行：
3 5 asd/sdf/rdc fgd/ghw/rtt
4 7 axd/sdf/rdc axd/ghw/ert
8 2 drf/sdf/uhg fgd/ghw/gcd
我只想比较第 3 列和第 4 列中的名字并打印是否匹配 - 结果应该是：
3 5 asd/sdf/rdc fgd/ghw/rtt diff
4 7 axd/sdf/rdc axd/ghw/ert equal
8 2 drf/sdf/uhg fgd/ghw/gcd diff
AskOverflow.Dev
