/// <summary>
/// get directory size info form du.exe/du64.exe
/// we will use size not size on disk to keep same with
/// C# DirectoryInfo report
/// du.exe output example:
/// Files: 130552
/// Directories: 45942
/// Size: 16,113,239,255 bytes
/// Size on disk: 14,142,668,800 bytes
/// </summary>
/// <param name="directoryCache"></param>
/// <returns></returns>
internal static DirectoryCache LoadDirectoryInfoByCmd(DirectoryCache directoryCache)
{
var output = CmdHelper.ExecDiskUsage(directoryCache.Uri);
// check if du.exe return "", means a junction
if (output == "")
{
return(directoryCache);
}
// make windows "\r\n" to "\n" only
output = output.Replace("\r", "");
var sizeStr = output.Split("\n")[2].Trim();
sizeStr = sizeStr.Replace("Size: ", "").Replace("bytes", "");
if (ulong.TryParse(sizeStr, out var size))
{
directoryCache.Length = size;
}
return(directoryCache);
}