Finally the code in Listing 14 handles the secure deletion of the decrypted text file to remove any clear text information stored on disk.

最后，清单14中的代码负责安全删除解密文本文件，从而去除任何存储在磁盘上的纯文本信息。

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Listing 7 shows the code snippet that's handling the deletion of a node from the tree.

清单7显示了从树中删除节点的代码段。

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Code 5: File deletion policy in IBM sonas.

代码5：ibm SONAS中的文件删除策略。

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