我有一个看起来像这样的文件
1400a_comp 49472 2868636.1026583919660 GOOD
1400a_comp 49473 2868647.1026579919650 GOOD
1400a_comp 49474 2868659.1026575919639 GOOD
1400a_comp 49475 2868670.1026571919627 GOOD
1400a_comp 49476 2868682.1026567819614 GOOD
1400a_comp 49477 2868693.1026563819603 GOOD
我想在文件中搜索第二个字段不加一的实例并打印行号
awk ×1