static void Main(string[] args)
{
Console.WriteLine("Displays sizes and percentages of disk space dirs and files in given directory take up (relative to total size of the specified directory).");
string rootDir;
if (args.Length == 0)
{
Console.WriteLine("Using current dir {0} since no parameter was specified.", Environment.CurrentDirectory);
rootDir = Environment.CurrentDirectory;
}
else
{
rootDir = args[0];
}
DirectoryInfo di = new DirectoryInfo(rootDir);
if (!di.Exists)
{
return;
}
FileSystemInfo[] fis = di.GetFileSystemInfos();
#region Create a uniform array of items in this directory
DirEntryInfo[] entries = new DirEntryInfo[fis.Length];
int iterator = 0;
foreach (FileSystemInfo fi in fis)
{
if ((fi.Attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
DirEntryInfo dei = new DirectoryEntryInfo();
dei.setItem(fi);
entries[iterator] = dei;
}
else
{
DirEntryInfo dei = new FileEntryInfo();
dei.setItem(fi);
entries[iterator] = dei;
}
iterator++;
}
#endregion
#region Calculate the total dir size
long totalSize = entries.Sum(entry => entry.getSize());
Console.WriteLine("Total size of this dir: {0} bytes.", totalSize);
#endregion
#region Display the output data
int maxNameLength = entries.OrderByDescending(entry => entry.getName().Length).FirstOrDefault().getName().Length;
//String that we want to get is: "{0,-<maxNameLength>} ==> {1,-10} ({2}%)"
string entryFormat = string.Format("{0}{1}{2}", "{0,-", maxNameLength, "} ==> {1,-10} ({2}%)");
if (totalSize == 0)
{
totalSize = 1; //Avoid division by 0 error if total is 0 bytes.
}
entries.ToList().ForEach(entry => Console.WriteLine(entryFormat, entry.getName(), entry.getSize().ToString("d", System.Globalization.CultureInfo.CurrentCulture), ((entry.getSize() * 100) / totalSize), maxNameLength));
#endregion
}
public long getSize()
{
long totalSize = 0;
//Easy pass on all files. Non-recursive.
totalSize += dirItem.GetFiles().Sum(file => file.Length);
//More complex pass on all subdirs - recursive.
dirItem.GetDirectories().ToList().ForEach(dir =>
{
DirEntryInfo dei = new DirectoryEntryInfo();
dei.setItem(dir);
totalSize += dei.getSize(); //Recursive here.
});
return(totalSize);
}