求助：如何获得包含退格控制字符文件的正确输出

lrh_0_2000

有一个文件包含退格控制字符：
[root@logbk ~]# cat -v test //以下为输出
Last login: Tue Nov 11 17:23:04 2008 from 172.18.123.46^M
-bash-2.05b$
-bash-2.05b$ ssh root@10.13.100.45
root@10.13.100.45's password:
Last login: Tue Nov 11 17:33:47 2008 from 172.18.251.101^M^M
[root@test15 ~]# ^M^[[K[root@test15 ~]# ^M^[[K[root@test15 ~]# exit^H ^H^H ^H^H ^H^H ^H^G^G^Gssh 10.13.100.47^M^[[K[root@test15 ~]# ssh 10.13.100.47^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H^H ^H10.13.100.47^M
root@10.13.100.47's password: ^M
Permission denied, please try again.^M^M
root@10.13.100.47's password: ^M
Last login: Tue Nov 11 17:05:48 2008 from 10.13.100.45^M^M
[root@test17 ~]# ls    //到此输出完毕

[root@logbk ~]# cat test   //以下为输出
Last login: Tue Nov 11 17:23:04 2008 from 172.18.123.46
-bash-2.05b$
-bash-2.05b$ ssh root@10.13.100.45
root@10.13.100.45's password:
Last login: Tue Nov 11 17:33:47 2008 from 172.18.251.101
[root@test15 ~]# ssh 10.13.100.47
root@10.13.100.47's password:
Permission denied, please try again.
root@10.13.100.47's password:
Last login: Tue Nov 11 17:05:48 2008 from 10.13.100.45
[root@test17 ~]# ls //到此输出完毕
请问如何去除test文件中的退格呢，希望能获得类似cat test屏幕输出内容，而不包含退格控制字符，否则grep 关键字的时候很容易出错

merlin852

man col

lrh_0_2000

用col命令已经可以了，谢谢！