检查档案是否存在。
Call this function to check if a file name exists.
调用该函数以检查文件名是否存在。
If a file is updated, only the changed data is saved.
如果一个文件被更新，仅更改的数据保存。
If a file was added in the origin, add it to the target.
如果一个文件被添加到源，将它也添加到目标。
How do I find out if a file has been updated by another process?
我怎么知道一个文件是否已被其他进程更新？
How to get notified if a file was modified outside of my program?
如何获得如果一个文件是我计划外的修改通知？
If a file already exists with that name, the contents are simply replaced.
如果同名文件已存在，则该文件的内容会被完全取代。
If a file is selected, then run the custom function; otherwise, do nothing.
如果选择了文件，则运行定制函数；否则，不进行任何操作。
Linux USES file access rights to determine if a file is an executable.
Linux通过文件访问权限来判断文件是否为可执行文件。
By default, if a file has been deleted in the source, then it is just ignored.
在默认情况下，如果在源目录中删除了一个文件，就会忽略它，并不在目标目录中相应地删除它。
If a file is corrupted by any means, the corruption can be replicated, mirrored, and backed up.
如果文件以任何方式损坏，而这个损坏却不影响复制、镜像和备份。
NET keeps a watch on the bin folder and will refresh the Shadow Copies if a file changes.
净保持关注本文件夹并将刷新影子副本如果文件更改。
You would only use an archive directory if you wanted to see if a file was successfully processed.
如果希望查看文件是否已得到成功处理，您只需使用存档目录。
If a file has changed (new update time on the file or the size has changed), the file will be redeployed.
如果文件已经更改(文件的最新更新时间或者文件的大小已经更改)，那么将会重新部署该文件。
If a file is checked out when you lock it, its check-out record is modified to contain the new lock type.
如果某个档案在您锁定时已签出，其签出记录就会修改成包含新的锁定类型。
If a file is deleted, invoking Restore from Local History from its parent's context menu can bring it back.
如果文件被删除，则从其父目录节点的上下文菜单中调用RestorefromLocalHistory可以找回该文件。
In directory comparison, if a file is found in only one directory, treat it as present but empty in the other directory.
在目录中比较，如果一个文件在一个目录中发现，那么将它作为提供的比较对象而在另一个目录中作为空处理。
The magic lies in --link-dest=$PATHTOBACKUP/current, which specifies that if a file has not changed, do not copy it to the new backup.
关键之处是 --link-dest=$PATHTOBACKUP/current，它指定如果文件没有修改过，就不把它复制到新的备份。
It will now check to see if files have changed before writing them to disk. If a file has changed, it will be automatically checked out.
它会在保存文件之前检查文件是否有改动，如果有就会自动签出文件。
If a file is deleted from a node, users can select the appropriate file-out algorithm according to the actual circumstances and needs.
如在节点进行文件淘汰时，用户可以根据实际情况和需要来选择合适的文件淘汰算法；
If a file has multiple hard links, the file is deleted only when the last link pointing to the inode is deleted and the link count goes to 0.
如果一个文件有多个硬链接，仅在指向inode的最后一个链接被删除且链接数为0时文件才会被删除。
The processing logic is that if a file listing the relevant AMIs exists, you simply read that file and call describe (' ami-id ') for each id.
处理逻辑是这样的：如果存在一个列示相关ami的文件，您只需读取该文件并对每个id调用describe ('ami - id ')。
Because the space character is used as the list delimiter, if a file name itself contains a space, you need to enclose that file name in quotes.
因为空格用作列表的分隔符，如果文件名本身含有空格，需要使用引号将该文件名括起来。
Similarly, if a file in the partial application exists in the deployed application EAR, then it is updated in the deployed EAR as a result of update operation.
类似地，如果部分应用程序中的某个文件存在于已部署的应用程序EAR 中，则更新操作会在已部署的 EAR 中更新此文件。
If a file in the partial application does not exist in the deployed application EAR, then it is added to the deployed EAR file as a result of update operation.
如果部分应用程序中的文件不存在于已部署的应用程序EAR中，则更新操作会将其添加到已部署的EAR文件。
A few good heuristics based solely on the first few bytes will tell you if a file or stream is likely to be XML, and therefore worth checking further with a parser.
一些基于最初几个字节的较好的启发式方法可以告诉您，一个文件或流是否可能是XML，是否值得让解析器作进一步检查。
If a file is completely missing, data is garbled beyond recovery, or an essential element is absent in an XML document, that is when you interrupt your user's work.
如果一个文件完全丢失了，数据已经篡改而无法修复，或在XML文档中缺少必需元素，这时可以中断用户的工作。
To determine whether a file or a group of text files has embedded control characters, use these options. For instance, if a file has trailing blanks, you can see them
若要确定某个文件或某一组文本文件是否有嵌入的控制字符，可以使用这些选项。
If a file contains executable text for a process, the system treats the file as computational and marks all of the permanent storage pages in the file as computational.
如果一个文件包含某个进程的可执行文本，那么系统会将该文件视为计算性的，并且将该文件中的所有永久存储分页都标记为计算性的。
Copy files from one network location to another. If a file exists within the destination folder, the new file which received from the location folder can overwrite.
将文件或文件夹从一个网络地址复制到另一个地址，复制的时候如果该文件比目标文件新，可以采用覆盖文件法。
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