详细讲解Linux shell中的printf的用法

[root@localhost ~]# printf %s 1 2 3 4 5 6

123456[root@localhost ~]# printf %s %s %s 1 2 3 4 5 6

%s%s123456[root@localhost ~]# printf '%s %s %s' 1 2 3 4 5 6

1 2 34 5 6[root@localhost ~]# printf '%s\t%s\t%s\n' 1 2 3 4 5 6

1 2 3

4 5 6

[root@localhost ~]# printf '%s' $(cat student.txt)

1furongF852fengjF603cangF70[root@localhost ~]#

[root@localhost ~]# printf '%s\t%s\t%s\t%s\n' $(cat student.txt)

1 furong F 85

2 fengj F 60

3 cang F 70