如果该文件已存在，则会使用新版本号和构建时间对其进行更新。
If the file exists, it just updates it with the new build number and time.
我们比较本地文件和远程文件的修改时间。如果本地文件更新，则上载它。
We compare the modified time of the local file to the modified time of the remote file and, if the local file is newer, we upload it.
当用户登录的时候，打开lastlog文件，并对他们的记录中的登录日期和时间进行更新。
When a user logs in, the lastlog file is opened, and their record with the login date and time is updated.
例如，acregmin参数可以指定在实际更新之后，文件条目将要保留的最短时间。
For example, the acregmin parameter specifies the minimum length of time after an actual update that file entries will be retained.
例如，我们可以不断地更新文件的最后修改时间。
For example, we could move the last-modified time for our file a minute further into the future.
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 has changed (new update time on the file or the size has changed), the file will be redeployed.
普通的元数据集包括文件名、作者、创建时间和更新时间；不过，对于某些情况，普通的元数据集不足以描述文件的属性。
The common set of metadata includes file name, author, created time, and updated time; however, in some cases, the common metadata is not sufficient to describe the file properties.
例如，当写入一个文件的时候，这个文件的长度和最后修改时间都要在元数据缓存器里面更新。
For example, when we write to a file, the new length and the last modification timestamp are updated in the metadata cache.
使用大文件柜视图会对性能产生负面影响，因为该视图在构建、更新和过滤时会花费很长时间。
Using one view for a large File Cabinet impacts performance negatively because the view takes a long time to build, to update, and to filter.
J VM探测文件系统更新的方法是，将时间戳值存储在缓存中并在装载每个类时比较缓存的值和实际值。
The JVM detects filesystem updates by storing timestamp values into the cache and comparing the cached values with actual values on each class load.
文件系统驱动程序更新适当的元数据，但是没有时间将其缓存中的数据刷新到磁盘的新块中。
The filesystem driver updated the appropriate metadata, but didn't have time to flush the data from its caches to the new blocks on disk.
现在，无论何时编写文件，被保存代码行的时间戳都会被更新到当前时间。
Now, any time a file is written, any timestamp in the lines being saved will be updated to the current time.
如果不能通过shell访问，那么您可以重新加载或进行编辑保存，这样也能更新文件的时间戳。
If you do not have shell access, you can update the timestamp of the file by reuploading it or by editing it and resaving it.
您可能知道，UNIX系统为文件系统上的每一个对象记录一个atime，或称为访问时间，每次读取文件时，atime都会被更新。
As you probably know, UNIX systems record an atime, or access time, for each object on the filesystem that gets updated every time a file is read.
请注意，如果目标中的文件具有相同的、或更新的修改时间，那么cpio不会覆盖这些文件。
Note that cpio will not overwrite files on the destination if they have the same, or newer, modification time.
如果更新任务花费大约30分钟完成，我们可以查看同一MiscellaneousEvents文档中的日志文件以了解花费这么长时间的原因。
If the update task is taking approximately 30 minutes to complete, we can look in the log file at the same Miscellaneous Events document to get a picture of why it? S taking so long.
首字母C代表cascading——一种由上至下的时间倒叙展示方式，其中，最近更新的文件位于页面顶端，这样，你便能以最简洁的页面形式浏览文件，然后接入或浏览新媒介上的更新文件。
The letter “C” in the acronym stands for cascading, meaning you can apply styles in one file and import or roll over newer properties in a later file.
管理并更新材料单价、供应商信息、最小库存、每种材料的采购时间和采购部的其它文件；
Supervise and update material unit price, supplier information and minimum stock, lead time of each model for PMC and other documents in purchasing department.
如果服务器上有更新的文件，客户端就知道是时间更新自己了。
If the server has newer files, the client knows it's time to update itself.
因为文件的访问时间和修改时间可以被设置，所以简单地把它们倒回去就可以“禁止”被更新。清单6 - 6做个示范。
Because the access and modification times on a file can be set, you can "prevent" them from updating by just rolling them back. Listing 6-6 demonstrates how.
同时通过对下载完成后视频数据的时间标记进行更新，解决了BitTorrent客户端下载视频文件后的拼接问题，使得拼接后的新闻视频可以流畅播放。
Meanwhile the time stamp of the downloaded data will be updated, so as to realize the assembling of the video file and a smooth play of it.
加班统计：统计每月工程师加班时间，更新相应文件。
Overtime work: collect the OT of engineers monthly, and update the relative list.
是否将NTFS更新上次访问时间并ntfs是否已启用短文件名不会改变这一事实仍有1.8万个文件。
Whether NTFS updates the last-access time and whether NTFS has enabled short file names doesn't change the fact that you still have 1.8 million files.
可以列出比某一时间更新的文件，并拷贝到另外一个目录中，并且保持目录结构不变化。
Can list any one time than the update files and copy to another directory, and to maintain the directory structure does not change.
如果你只是比较由电子邮件发来发去的文件的话，更新时间可能并不重要。但是在某些情况下，确实还是很有用的。
The dates may not mean anything if you are comparing files that have been passed back and forth bye-mail, but they become very useful in other circumstances.
根据文件时间和库中的脚本成员修改时间，更新所有的改动的链接脚本。
Updates all linked scripts that have changed based on file date and the script cast member's last modified date.
根据文件时间和库中的脚本成员修改时间，更新所有的改动的链接脚本。
Updates all linked scripts that have changed based on file date and the script cast member's last modified date.
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