dos换行符引起linux paste命令异常显示

 

1、问题 paste异常

[root@centos7 test]# ls
test.ped  test.txt
[root@centos7 test]# cat test.txt
10      YH
1       GS
11      YH
[root@centos7 test]# cat test.ped
10      10      0       0
1       1       0       0
11      11      0       0
[root@centos7 test]# paste test.txt test.ped
10      10      10      0       0
1       1S      1       0       0
11      11      11      0       0

 

 

2、检测问题

[root@centos7 test]# ls
test.ped  test.txt
[root@centos7 test]# cat -A test.txt
10^IYH^M$
1^IGS^M$
11^IYH^M$
[root@centos7 test]# cat -A test.ped
10^I10^I0^I0$
1^I1^I0^I0$
11^I11^I0^I0$

 

 

3、删除^M

[root@centos7 test]# ls
test.ped  test.txt
[root@centos7 test]# cat -A test.txt
10^IYH^M$
1^IGS^M$
11^IYH^M$
[root@centos7 test]# dos2unix test.txt
dos2unix: converting file test.txt to Unix format ...
[root@centos7 test]# cat -A test.txt
10^IYH$
1^IGS$
11^IYH$

 

4、测试效果

[root@centos7 test]# ls
test.ped  test.txt
[root@centos7 test]# paste  test.txt test.ped
10      YH      10      10      0       0
1       GS      1       1       0       0
11      YH      11      11      0       0