/* This method prints the contents of folderList and fileList to a
* text file named "directory contents.txt", along with some other
* useful information. There is also lots of arbitrary formatting
* to make the results more readable. */
public void exportListToFile()
{
StreamWriter outputFile = new StreamWriter(@".\directory contents.txt", true);
string listHead = String.Format("The contents of {0} are:\r\n", this.dir.FullName);
outputFile.WriteLine(listHead);
StringBuilder itemListing = new StringBuilder();
if (this.folderList.Any() == false && this.fileList.Any() == false)
{
outputFile.WriteLine("EMPTY".PadLeft(40));
}
else
{
foreach (ItemTraits folder in this.folderList)
{
SizeTraits folderSize = getSizeTraits((float)folder.itemSize);
itemListing.AppendFormat("{0}{1}{2}{3}",
"".PadLeft(4),
"Folder".PadRight(10),
this.sliceString(folder.itemName, 40),
String.Concat(folderSize.size.ToString("0.## ") +
folderSize.unit).PadLeft(13));
outputFile.WriteLine(itemListing);
itemListing.Clear();
}
foreach (ItemTraits file in this.fileList)
{
SizeTraits fileSize = getSizeTraits((float)file.itemSize);
itemListing.AppendFormat("{0}{1}{2}{3}",
"".PadLeft(4),
"File".PadRight(10),
this.sliceString(file.itemName, 40),
String.Concat(fileSize.size.ToString("0.## ") +
fileSize.unit).PadLeft(13));
outputFile.WriteLine(itemListing);
itemListing.Clear();
}
}
long dirSize = getFolderSize(this.dir);
SizeTraits dirSizeTraits = getSizeTraits((float)dirSize);
string dirSizeListing = String.Format("Total directory size = {0:0.00} {1}",
dirSizeTraits.size,
dirSizeTraits.unit);
string listTail = String.Format("\r\n{0}\r\n", dirSizeListing.PadLeft(71));
outputFile.WriteLine(listTail);
outputFile.Close();
}
/* This method takes the size of a file/folder in bytes, and converts
* it to either giga-, mega-, or kilobytes depending on which is most
* appropriate. It also appends the relevant unit into the "unit" field
* of a a SizeTraits struct, which can later be printed. */
SizeTraits getSizeTraits(float originalSize)
{
SizeTraits result = new SizeTraits();
result.size = originalSize;
result.unit = "B";
if (originalSize / 1E9 >= 1)
{
result.size = originalSize / (float)1E9;
result.unit = "GB";
}
else if (originalSize / 1E6 >= 1)
{
result.size = originalSize / (float)1E6;
result.unit = "MB";
}
else if (originalSize / 1E3 >= 1)
{
result.size = originalSize / (float)1E3;
result.unit = "KB";
}
return(result);
}
