此处假设(实际上必须这样)该文件已经存在。
Here, it is assumed (and, indeed, it must be the case) that the file does exist.
同名文件已经存在，您想覆盖它吗？
A file with that name already exists. Do you wish to overwrite it?
此文件已经存在。您想用新的副本替换它吗？
This file already exists. Do you want to replace it with the new copy?
如果这些文件已经存在，在您继续这个练习之前请进行备份。
If these files already exist, make backups before you continue with this exercise.
注意：如果目标文件已经存在，它将被自动覆盖。
Note: If the destination file already exists, it will be overwritten.
如果目标文件夹或文件已经存在，则将覆盖它们。
If the destination folders or files already exist, they are overwritten.
为写打开一个空文件。如果指定文件已经存在，它的内容会被清空。
Opens an empty file for writing. If the given file exists, its contents are destroyed.
如果一个有着同样名字egl构建文件已经存在于项目中，那么它的内容将被重新设置。
If an EGL build file with the same name already existed in the project, its content will be reset.
XML文件复制到新的位置，但他们不会替换文件已经存在，如果他们有相同的文件名。
XML files are copied to the new location but they will not replace the files that are already there if they have same file name.
创建一个新文件。如果该文件已经存在，函数将覆盖已存在的文件并清除已存在的文件属性。
OPEN_EXISTING Opens the file. The function fails if the file does not exist.
问题是，root总是可以这样创建文件，即便锁文件已经存在，这意味着该锁不能为root正常工作。
The problem is that root can always create files this way, even if the lock file already exists — which means that the lock won't work correctly for root.
注意，必须确保脚本是用Python编写的，配置文件已经存在，并且gmond . conf已正确设置。
Notice that we had to make sure the script was written in Python, the configuration file was there, and that the gmond.conf was set correctly.
如果文件已经存在了，这样用写入的模式来打开，会把旧的文件都清除掉，然后重新写入文件，所以一定要小心！
If the file already exists, opening it in write mode clears out the old data and starts fresh, so be careful!
如果这个选项已被激活，当有相同名称的一个框架文件已经存在于这个工作空间时，这个最新产生的文件将与现存的框架文件进行合并。
If this option is enabled, when a skeleton file of the same name already exists in the workspace, the newly generated skeleton file will merge with the existing skeleton file.
当然，接下来的逻辑步骤是在那个位置创建这个概要文件——如果这个概要文件已经存在于另一个项目中——只需拷贝并移动它即可。
Of course, the next logical step is to either create the profile at that location or — if the profile already exists in another project — copy and move it.
另外一点比较重要需要指出的是Overwrite属性被设置为真：结果，如果一个生成的EAR文件已经存在的话，那么它将会被覆盖掉。
Another important point here is the Overwrite property which is set to true: As a consequence, if the EAR file to be generated already exists, it will be overwritten.
增加的代码用于检查 parameters.xml.done文件是否存在，因为如果这个文件已经存在，意味着 RDS安装已经完成，不应该再次安装。
The added code checks to see if the parameters.xml.done file is not present because if this file is already present, that means that the RDS installation is already done and should not be done again.
她知道在缺省的情况下，公司的应用服务器启动了详细的垃圾收集(verbose Garbage Collection)，所以她对IGAA做出响应，指出包含详细的垃圾收集信息的文件已经存在。
She knows that Verbose Garbage Collection is on by default in the company's application servers, so she responds to IGAA indicating that a file containing Verbose GC information already exists.
一旦对所有用例都完成了，我们就分析代码的实现模型来检查某些类（文件）的逻辑分组是否已经在代码中存在。
Once this is done for all the use cases, we analyze the Implementation Model of the code to check if some logical grouping of the classes (files) already exists in the code.
打开保存的配置文件，添加以下设置(如果已经存在，就修改它们)。
Open the saved configuration file and add the following Settings or change if already existing.
如果这个路径已经存在，就需要确保它不包含任何文件或子目录。
If the path already exists, you need to make sure that it doesn't contain any files or subdirectories.
创建表单实例数据的第二种方式是使用文件系统中已经存在的XML文档。
A second way to create instance data for your form is to use an XML document you already have somewhere on your file system.
mkdirs方法是无损的，所以可以多次调用该方法，而不必担心当目录已经存在时会丢失已有的文件。
The File.mkdirs method is nondestructive, so you can call it over and over again without worrying about losing existing files if the directory already exists.
由于原始任务拥有-de覆盖选项，即使目标文件自上次传输后已经存在，新传输任务仍将成功执行。
Since the original task has the -de overwrite option, even though the destination file already exists from the previous transfer, the new transfer will complete successfully.
但是，如果目标目录已经存在，就会在目标目录b中创建一个新目录a，其中包含文件的拷贝。
However, if the destination directory already exists, then a new directory, a, within the destination directory, b, will be created containing a copy of the files.
如果能运行ij工具，那么dblook类文件就已经存在于CLASSPATH中了。
If you can run the ij tool, the dblook class files are already in your CLASSPATH.
由于我们现在能够看到XAMPP 的welcome页面，因此这个目录中已经存在一些文件了。
Since we were able to view the XAMPP welcome page, this directory already has some files in it.
符号设置文件已经定义，名为Symbols . txt，它不一定存在。
A symbol set file is defined, called Symbols.txt, that doesn't always exist.
符号设置文件已经定义，名为Symbols . txt，它不一定存在。
A symbol set file is defined, called Symbols.txt, that doesn't always exist.
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