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POAvoiding a customized Copy Directory function to go on infinite loop when copying folder into himself
 

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  1. POAvoiding a customized Copy Directory function to go on infinite loop when copying folder into himself
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    <p>I'm trying this function, which copies all files from a folder, and relative subfolders with files to another location:</p> <pre><code>using System.IO; private static bool CopyDirectory(string SourcePath, string DestinationPath, bool overwriteexisting) { bool ret = true; try { SourcePath = SourcePath.EndsWith(@"\") ? SourcePath : SourcePath + @"\"; DestinationPath = DestinationPath.EndsWith(@"\") ? DestinationPath : DestinationPath + @"\"; if (Directory.Exists(SourcePath)) { if (Directory.Exists(DestinationPath) == false) Directory.CreateDirectory(DestinationPath); foreach (string fls in Directory.GetFiles(SourcePath)) { FileInfo flinfo = new FileInfo(fls); flinfo.CopyTo(DestinationPath + flinfo.Name, overwriteexisting); } foreach (string drs in Directory.GetDirectories(SourcePath)) { DirectoryInfo drinfo = new DirectoryInfo(drs); if (CopyDirectory(drs, DestinationPath + drinfo.Name, overwriteexisting) == false || drs.Substring(drs.Length-8) == "archive") ret = false; } } else { ret = false; } } catch (Exception e) { Console.WriteLine("{0} {1} {2}", e.Message, Environment.NewLine + Environment.NewLine, e.StackTrace); ret = false; } return ret; } </code></pre> <p>It works good until you have to copy the folder into another location, but when you have to create a folder in itself (In my example I'm doing a subfolder called "archive" to keep track of the last folder files changes) it goes in infinite loops, because it keeps rescanning itself in the Directory.GetDirectories foreach loop, finding the newly created subfolders and going on nesting the same subfolder over and over until it reaches a "Path name too long max 260 charachters limit exception".</p> <p>I tried to avoid it by using the condition</p> <blockquote> <p>|| drs.Substring(drs.Length-8) == "archive")</p> </blockquote> <p>which should check the directory name, but it doesn't seem to work.</p> <p>I thought than, different solutions like putting a max subfolders depth scan (I.E max 2 subfolders) so it doesn't keep rescanning all the nested folders, but I can't find such property in Directory object.</p> <p>I cannot copy the whole thing to a temp folder and then into the real folder because the next time I will scan it, it will rescan archive folder too.</p> <p>I tought about putting all the directory listing in an ArrayList of Directory objects or so so maybe I can check something like DirName or so but I don't know if such property exists.</p> <p>Any solution?</p>
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