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License: Apache License 2.0
find duplicate file with C# parallel MapReduce compute using quick hashing, quick search
License: Apache License 2.0
var files = Directory.GetFiles(folder, ".", SearchOption.AllDirectories);
in private static void Run(IDupDetector dupDetector, int workers, string folder)
throws an System.UnauthorizedAccessException:
{"Der Zugriff auf den Pfad "d:\$RECYCLE.BIN\S-1-5-18" wurde verweigert."}
This kind of exception is quit normal and must be catched.
Just for info.
I wrote for this problem a small class
public class DirEx {
static public event EventHandler<string> OnError = (s, a) => { };
static public void ForEveryFile(string path, Action<string> worker) {
if (worker == null)
throw new Exception("worker must have a value");
try {
try {
foreach (string f in Directory.GetFiles(path)) {
worker.Invoke(f);
}
}
catch (UnauthorizedAccessException) { }
catch (Exception ex) {
string errormsg = $"{path} -> {ex.Message}";
OnError.Invoke(null, errormsg);
Trace.WriteLine(errormsg);
}
foreach (string d in Directory.GetDirectories(path)) {
ForEveryFile(d, worker);
}
}
catch (Exception ex) {
string errormsg = $"{path} -> {ex.Message}";
OnError.Invoke(null, errormsg);
Trace.WriteLine(errormsg);
}
}
}
If a folder is not accessible because of missing access rights the application crashes.
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