diff --git a/Save-WebRequest.ps1 b/Save-WebRequest.ps1
index 10be792..a1be3d5 100644
--- a/Save-WebRequest.ps1
+++ b/Save-WebRequest.ps1
@@ -74,7 +74,7 @@ Begin
 		{
 			return Get-FileName (New-Object uri $Uri,($response.Headers['Location'][0]))
 		}
-		if($response.Headers['Content-Disposition'].Count -gt 0)
+		if($response.Headers.ContainsKey('Content-Disposition') -and $response.Headers['Content-Disposition'].Count -gt 0)
 		{
 			[ContentDisposition] $disposition = $response.Headers['Content-Disposition'][0]
 			$suggestion = $disposition.FileName
diff --git a/Show-PSDriveUsage.ps1 b/Show-PSDriveUsage.ps1
new file mode 100644
index 0000000..3e6176c
--- /dev/null
+++ b/Show-PSDriveUsage.ps1
@@ -0,0 +1,74 @@
+<#
+.SYNOPSIS
+Displays drive usage graphically, and with a human-readable summary.
+
+.FUNCTIONALITY
+Files
+
+.INPUTS
+An object with a Name property that corresponds to a drive name.
+
+.LINK
+Import-CharConstants.ps1
+
+.LINK
+Format-ByteUnits.ps1
+
+.LINK
+Write-Info.ps1
+
+.EXAMPLE
+Show-PSDriveUsage.ps1 C -AsAscii
+
+#################_______________________________________________________________________
+C:\ Windows (953GB, NTFS, Fixed) 762GB (79%) free, 191GB (20%) used
+#>
+
+#Requires -Version 7
+[CmdletBinding()] Param(
+# A drive name to display the usage for. All ready fixed drives are displayed if none is specified.
+[Parameter(Position=0,ValueFromPipelineByPropertyName=$true,ValueFromRemainingArguments=$true)][string[]] $Name = @(),
+# Display the graph as ASCII.
+[switch] $AsAscii
+)
+Begin
+{
+    if($AsAscii) {$usedchar, $freechar = '#', '_'}
+    else {Import-CharConstants.ps1 'full block' 'light shade'; $usedchar, $freechar = ${full block}, ${light shade}}
+    filter Show-DriveUsage
+    {
+        [CmdletBinding()] Param(
+        [Parameter(ValueFromPipelineByPropertyName=$true)][string] $Name,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][string] $VolumeLabel,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][string] $DriveFormat,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][IO.DriveType] $DriveType,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][IO.DirectoryInfo] $RootDirectory,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][long] $TotalSize,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][long] $TotalFreeSpace,
+        [Parameter(ValueFromPipelineByPropertyName=$true)][long] $AvailableFreeSpace
+        )
+        $blocksize, $usedspace = [long]::DivRem($TotalSize, [Console]::WindowWidth).Item1, ($TotalSize - $TotalFreeSpace)
+        $usedpercent, $freepercent, $size, $free, $used, $usedgraph, $freegraph =
+            ([long]::DivRem(100*$usedspace, $TotalSize).Item1),
+            ([long]::DivRem(100*$AvailableFreeSpace, $TotalSize).Item1),
+            ($TotalSize |Format-ByteUnits.ps1 -Precision 0),
+            ($AvailableFreeSpace |Format-ByteUnits.ps1 -Precision 0),
+            ($usedspace |Format-ByteUnits.ps1 -Precision 0),
+            (New-Object string ($usedchar, [long]::DivRem($usedspace, $blocksize).Item1)),
+            (New-Object string ($freechar, [long]::DivRem($AvailableFreeSpace, $blocksize).Item1))
+        $color = switch($freepercent)
+        {
+            {$_ -lt 10} {'Red'}
+            {$_ -lt 20} {'Yellow'}
+            default {'Green'}
+        }
+        Write-Info.ps1 $usedgraph -fg Cyan -NoNewLine
+        Write-Info.ps1 $freegraph -fg DarkCyan
+        Write-Info.ps1 "$Name $VolumeLabel ($size, $DriveFormat, $DriveType) $free ($freepercent%) free, $used ($usedpercent%) used" -fg $color
+    }
+}
+Process
+{
+    if($Name) {$Name |ForEach-Object {[IO.DriveInfo] $_} |Show-DriveUsage}
+    else {[IO.DriveInfo]::GetDrives() |Where-Object {$_.DriveType -eq 'Fixed' -and $_.IsReady} |Show-DriveUsage}
+}