If all you need to do with an XML file is grab some text from within a single node, it might be possible to use a simple regular expression that will probably operate faster than any XML parser.
如果对XML文件所做的全部操作只是从单个节点获取一些文本，可以使用一个简单的正则表达式，其处理速度可能会比任何xml解析器都快。
Since the output stream is a regular file, it is probably good to remove it at the end.
由于输出流是一个规则的文件，因此最好在结束时将其删除。
A Submap is nothing more than a root mapping in a regular map file which can be referenced from any other map file making it ideal for reuse.
Submap不过是常规映射文件中的根映射，可以从任何其他映射文件进行引用，因此非常适合进行重用。
The audit log file (db2audit.log) can grow very quickly. It is a good idea to prune it on a regular basis.
审计日志文件(db2audit . log)可能增长很快，所以定期对该文件进行修剪是一种好做法。
It is also expected that the frompath variable would refer to a proper regular file.
另外，此函数还预期frompath变量将引用正确的常规文件。
It is also expected that the frompath variable would refer to a proper regular file.
另外，此函数还预期frompath变量将引用正确的常规文件。
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