比较两个文件夹，您将会发现明细上的差异之处(文件的其余部分)。
Comparing the two folders will show the differences (additions and removals of files) in detail.
rsync工具能够解决这个问题。它会比较目录结构和各个文件，判断源目录和目标目录之间的差异。
The rsync tool addresses this issue by comparing the directory structure and the individual files and determining where the differences between the source and destination directories are located.
例如，标准的JAR文件和一个使用Pack200打包的JAR文件，这两个制品版本的二进制比较是有差异的……
For example, the standard JAR, a JAR packed using Pack200, the binary diff between two versions of the artifact, ...
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