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How to Delete The Files Having More than 3 Underscores ( _ ) ?



Example:

 File format may be like XXX_123_253_2175_216.html Irrespective of file format based on Underscores we need to delete ?

 Solution:

 Private void deleteFiles() 
{
DirectoryInfo objDir = new DirectoryInfo(@"C:\");
FileInfo[] objFileList = objDir.GetFiles();
foreach(FileInfo f in objFileList) 
{
if (f != null)

 if (f.Name.Split('_').Length > 3)
{
f.Delete();
}
}
}

 and Later I have added on more requiremnet in the about CODE LIKE this
File having similar fast name should delete 
Extra condition
if(f.name.startswith)
{
//code
}

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