[root@stu100 ~]# echo abcdef|tr 'abcdef' 'xyzabc'
xyzabc
[root@stu100 ~]# echo abcdef|tr 'a-f' 'x-za-c'
xyzabc
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[root@stu100 ~]# echo the punchline of the joke is ...|tr 'A-M N-Z a-m n-z' 'N-Z A-M n-z a-m'
gur chapuyvar bs gur wbxr vf ...
ҪʹµÃÒþ²ØÎı¾¿É¶Á£¬¿Éͨ¹ý½»»»tr²ÎÊýʵÏÖ£º
[root@stu100 ~]# echo gur chapuyvar bs gur wbxr vf ...|tr 'N-Z A-M n-z a-m' 'A-M N-Z a-m n-z'
the punchline of the joke is ...
ÔÚÏÂÃæµÄʾÀýÖÐtrÊ×ÏÈÌæ»»×Ö·û£¬È»ºó½«¼¸¶ÔÏàͬµÄ×Ö·ûÌæ»»Îªµ¥¸ö×Ö·û£º
[root@stu100 ~]# echo tennessee|tr -s 'tnse' 'srne'
serene
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