#requires -version 2.0
Param (
[string[]]$computers=@($env:computername),
[string]$Path="drivereport.htm"
)
$Title="Drive Report"
#embed a stylesheet in the html header
$head = @"
$Title
"@
#define an array for html fragments
$fragments=@()
#get the drive data
$data=get-wmiobject -Class Win32_logicaldisk -filter "drivetype=3" -computer $computers
#group data by computername
$groups=$Data | Group-Object -Property SystemName
#this is the graph character
[string]$g=[char]9608
#create html fragments for each computer
#iterate through each group object
ForEach ($computer in $groups) {
$fragments+="$($computer.Name)
"
#define a collection of drives from the group object
$Drives=$computer.group
#create an html fragment
$html=$drives | Select @{Name="Drive";Expression={$_.DeviceID}},
@{Name="SizeGB";Expression={$_.Size/1GB -as [int]}},
@{Name="UsedGB";Expression={"{0:N2}" -f (($_.Size - $_.Freespace)/1GB) }},
@{Name="FreeGB";Expression={"{0:N2}" -f ($_.FreeSpace/1GB) }},
@{Name="Usage";Expression={
$UsedPer= (($_.Size - $_.Freespace)/$_.Size)*100
$UsedGraph=$g * ($UsedPer/2)
$FreeGraph=$g* ((100-$UsedPer)/2)
#I'm using place holders for the < and > characters
"xopenFont color=Redxclose{0}xopen/FontxclosexopenFont Color=Greenxclose{1}xopen/fontxclose" -f $usedGraph,$FreeGraph
}} | ConvertTo-Html -Fragment
#replace the tag place holders. It is a hack but it works.
$html=$html -replace "xopen","<"
$html=$html -replace "xclose",">"
#add to fragments
$Fragments+=$html
#insert a return between each computer
$fragments+="
"
} #foreach computer
#add a footer
$footer=("
Report run {0} by {1}\{2}" -f (Get-Date -displayhint date),$env:userdomain,$env:username)
$fragments+=$footer
#write the result to a file
ConvertTo-Html -head $head -body $fragments | Out-File $Path