while loop not finishing 1

[princesszea]

Hi,

I have a while loop that checks a folder for a file, once the file is moved from the folder for some reason the while loop does not exit as it still thinks the length is still one although there is no file in the folder.

 while (files.Length > 0)
            {  
               //some code
            }
            
            if (files.Length == 0)
            {
             //some code

             }

Thanks

 

[jmeckley]

yes, this makes sense. however you haven't provided enough information for us to help you further. if you provide the code in question we should be able to provide a solution.

Jason Meckley
Programmer
Specialty Bakers, Inc.

faq855-7190
faq732-7259

 

[princesszea]

Hi Jason,

The code is below.

string[] files = Directory.GetFiles(filelocation, "*.csv", SearchOption.TopDirectoryOnly);


        while (files.Length > 0)
            {  
                System.Threading.Thread.Sleep(int.Parse(10000));
                
            }
            
            if (files.Length == 0)
            {
                System.Threading.Thread.Sleep(int.Parse(1000));

             }

Thanks

 

[jmeckley]

Directory.GetFiles returns an array of strings. get the files, get the file names, release the references, return the array of files. once called it has nothing to do with the system IO.

while(true)
{
   var files = Directory.GetFiles(...);
   if(files.Length == 0) 
   {
      break;

   }
   foreach(var file in files)
   {
      Process(file);
   }
}

Jason Meckley
Programmer
Specialty Bakers, Inc.

faq855-7190
faq732-7259

 

[whosrdaddy]

princesszea,

you need this:

http://msdn.microsoft.com/en-us/library/system.io.filesystemwatcher.aspx

/Daddy

-----------------------------------------------------
What You See Is What You Get
Never underestimate tha powah of tha google!

 

[jmeckley]

daddy... excellent point. any time you monitor the file system you should use the file system watcher.

Jason Meckley
Programmer
Specialty Bakers, Inc.

faq855-7190
faq732-7259

 

[princesszea]

Thanks guys