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Disk Hog Script
<#
.SYNOPSIS
Report on Disk Hogs
.DESCRIPTION
Returns a list of the largest directories in use on the local machine
.NOTES
Copyright Keith Garner, All rights reserved.
Really Updated for Windows 7 and Optimized for !!!SPEED!!!
.PARAMETER Path
Start of the search, usually c:\
.PARAMETER IncludeManifest
Include basic info about the memory, OS, and Disk in the manifest
.PARAMETER OutFile
CLIXML file used to store results
Location of a custom rules *.csv file, otherwise use the default table
.LINK
http://keithga.wordpress.com
#>
[cmdletbinding()]
param(
$path = 'c:\',
[switch] $IncludeManifest,
$OutFile
)
###########################################################
$WatchList = @(
@{ Folder = 'c:\'; SizeMB = '0' }
@{ Folder = 'c:\*'; SizeMB = '500' }
@{ Folder = 'C:\$Recycle.Bin'; SizeMB = '100' }
@{ Folder = 'c:\Program Files'; SizeMB = '0' }
@{ Folder = 'C:\Program Files\*'; SizeMB = '1000' }
@{ Folder = 'C:\Program Files (x86)'; SizeMB = '0' }
@{ Folder = 'C:\Program Files (x86)\Adobe\*'; SizeMB = '1000' }
@{ Folder = 'C:\Program Files (x86)\*'; SizeMB = '1000' }
@{ Folder = 'C:\ProgramData\*'; SizeMB = '1000' }
@{ Folder = 'C:\ProgramData'; SizeMB = '0' }
@{ Folder = 'C:\Windows'; SizeMB = '0' }
@{ Folder = 'C:\Windows\*'; SizeMB = '1000' }
@{ Folder = 'c:\users'; SizeMB = '0' }
@{ Folder = 'C:\Users\*'; SizeMB = '100' }
@{ Folder = 'C:\Users\*\*'; SizeMB = '500' }
@{ Folder = 'C:\Users\*\AppData\Local\Microsoft\*'; SizeMB = '1000' }
@{ Folder = 'C:\Users\*\AppData\Local\*'; SizeMB = '400' }
)
###########################################################
Add-Type -TypeDefinition @"
public class EnumFolder
{
public static System.Collections.Generic.Dictionary<string, long> ListDir(string Path, System.Collections.Generic.Dictionary<string, long> ControlList)
{
System.Collections.Generic.Dictionary<string, long> Results = new System.Collections.Generic.Dictionary<string, long>();
System.IO.DirectoryInfo Root = new System.IO.DirectoryInfo(Path);
ListDirRecursive(Root, Results, ControlList);
return Results;
}
private static long ListDirRecursive
(
System.IO.DirectoryInfo Path,
System.Collections.Generic.Dictionary<string, long> Results,
System.Collections.Generic.Dictionary<string, long> ControlList
)
{
try
{
long Total = 0;
foreach (System.IO.DirectoryInfo Directory in Path.GetDirectories())
if ((Directory.Attributes & System.IO.FileAttributes.ReparsePoint) == 0)
Total += ListDirRecursive(Directory, Results, ControlList);
foreach (System.IO.FileInfo file in Path.GetFiles())
{
if ((file.Attributes & System.IO.FileAttributes.ReparsePoint) == 0)
{
if (ControlList.ContainsKey(file.FullName))
{
if ((ControlList[file.FullName] * 1024 * 1024) < file.Length)
{
Results.Add(file.FullName, file.Length);
}
else
{
Total += file.Length;
}
}
else
{
Total += file.Length;
}
}
}
if (ControlList.ContainsKey(Path.FullName))
{
if ((ControlList[Path.FullName] * 1024 * 1024) < Total)
{
Results.Add(Path.FullName, Total);
Total = 0;
}
}
return Total;
}
catch
{
return 0;
}
}
}
"@
###########################################################
$start = [datetime]::Now
$ControlList = new-object -TypeName 'System.Collections.Generic.Dictionary[String,int64]'
foreach ( $Item in $WatchList ) {
if ( $item.Folder.EndsWith('*') ) {
get-childitem $Item.Folder.TrimEnd('*') -force -ErrorAction SilentlyContinue |
ForEach-Object {
$_.FullName.Substring(0,1).ToLower() + $_.FullName.Substring(1)
} |
Where-Object { -not $ControlList.ContainsKey( $_ ) } |
foreach-object { $ControlList.Add($_,0 + $Item.SizeMB) }
}
else {
get-item $Item.Folder -force -ErrorAction SilentlyContinue |
ForEach-Object {
$_.FullName.Substring(0,1).ToLower() + $_.FullName.Substring(1)
} |
Where-Object { -not $ControlList.ContainsKey( $_ ) } |
foreach-object { $ControlList.Add($_,0 + $Item.SizeMB) }
}
}
$ControlList.Keys | write-verbose
###################
$Results = [EnumFolder]::ListDir($Path.ToLower(), $ControlList )
$Results | write-output
([datetime]::now - $Start).TotalSeconds | Write-verbose
###################
if ( $OutFile ) {
new-item -ItemType Directory -Path ( split-path $OutFile ) -ErrorAction SilentlyContinue | Out-Null
if ( $IncludeManifest ) {
@{
OS = GWMI Win32_OPeratingSystem | Select OSarchitecture,OSLanguage,InstallDate,Version
Mem = GWMI Win32_PhysicalMemory | Select Capacity
Vol = GWMI Win32_LogicalDisk -Filter "DeviceID='$($path.Substring(0,1))`:'" | Select Size,FreeSpace,VolumeName
Data = $Results
} | Export-Clixml -Path $OutFile
}
else {
$Results | Export-Clixml -Path $OutFile
}
}
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