[英]How to move the oldest 10 files in a directory to another directory
I have a C# script that is currently moving files between two directories. 我有一个C#脚本,当前正在两个目录之间移动文件。 It moves 10 files at a time.
它一次移动10个文件。 The problem is that it is grabbing the 10 files by file name.
问题在于它正在按文件名抓取10个文件。 I want it to grab the oldest 10 files each time it runs.
我希望它每次运行时都能捕获最早的10个文件。 How can I do that?
我怎样才能做到这一点?
Currently, my script looks like this: 目前,我的脚本如下所示:
string[] dirsSourceDirectory = System.IO.Directory.GetDirectories(sourceDirectory);
string[] filesSourceDirectory = System.IO.Directory.GetFiles(sourceDirectory);
string[] dirsDestinationDirectory = System.IO.Directory.GetDirectories(destinationDirectory);
string[] filesDestinationDirectory = System.IO.Directory.GetFiles(destinationDirectory);
int filecount = Directory.GetFiles(destinationDirectory, "*.TRN", SearchOption.TopDirectoryOnly).Length;
for (int i = 1; i <= 10; i++)
{
FileInfo[] rgfiles = di.GetFiles();
rgfiles[0].MoveTo(System.IO.Path.Combine(destinationDirectory, rgfiles[0].Name));
}
Thanks! 谢谢!
var filesToMove = di
.GetFiles()
.OrderBy(f => f.CreationTime)
.Take(10)
.ToArray();
foreach (var rgFile in filesToMove)
{
rgfile.MoveTo(System.IO.Path.Combine(destinationDirectory, rgfile.Name));
}
Use LINQ to get the array of files, ordered from oldest to newest, like this: 使用LINQ获取从最早到最新的文件数组,如下所示:
var fileInfoArray = di.GetFiles().OrderBy(fi => fi.CreationTime).Take(10).ToArray();
Then you can loop through the files: 然后,您可以循环浏览文件:
foreach(var file in fileInfoArray)
{
file.MoveTo(System.IO.Path.Combine(destinationDirectory, file.Name));
}
您可以简单地使用CreationTime函数: http : //msdn.microsoft.com/zh-cn/library/system.io.file.getcreationtime.aspx
尝试一些linq
List<string> slist = Directory.GetFiles(@"c:\temp").OrderBy(fn => File.GetCreationTime(fn)).ToList();
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