记住在这个表达式的两侧使用引号使参数和嵌入空格保持在一起，如清单2后部所示。
Remember to use quotes around this expression to keep parameters with embedded Spaces together as you saw back in Listing 2.
拖拉和投入操作将会变更消息之间空格的数量，而不保持消息的顺序。
The drag-and-drop action will change the amount of space between the messages but preserve the order of the messages.
为了保持完整的文件名(请记住，UNIX参数以空格分隔)，一定要使用find - print0和xargs - 0。
To preserve an entire file name (remember, UNIX arguments are separated by white space), be sure to use find -print0 and its companion, xargs -0.
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