Help with powershell script to show displayname as well user ID :0)

Morning all,

can anyone help with the below powershell script ? It currently reports all members of a group including nested groups and outputs user ID, however I also need the display name for the user Id is possible ? I also need to export the data to the desktop in a txt file. Can anyone help or advise how this can be done ? Thanks all :00

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Script :

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##################################################################################
# Author: Vikas Sukhija
# Date: 06/31/2013
# Description: Extract group members recursevely
###################################################################################

$Group = Read-Host "Enter the group CN name"

######################check if object is group or not #############################
function checkgroup ($Group1)
{

$Search = New-Object DirectoryServices.DirectorySearcher([ADSI]"")
$Search.filter = "(&(objectCategory=group)(objectClass=group)(cn=$Group1))"
$input=$Search.Findall()

if($input -ne $null)
{
##Write-Host "$Group1 is a valid"
return $true
}
else
{
##Write-Host "$Group1 is a invalid"
return $false
}
}
##################################Recurse thru groups ##############################

function getallmembersrecursively ($Group)
{
$Search = New-Object DirectoryServices.DirectorySearcher([ADSI]"")
$Search.filter = "(&(objectCategory=group)(objectClass=group)(cn=$Group))"
$input=$Search.Findall()

if($input -ne $null)
{
Foreach($group in $input){
$groupname = $group.GetDirectoryEntry()
$GPName = $groupname.DistinguishedName
$GPMember = $groupname.member
$GPName1 = [string]$GPName
$gsplit1 = $GPName1.split(",")
$fpiece1 = $gsplit1[0]
$cnsplit1 = $fpiece1.split("=")
$GPName2 = $cnsplit1[1]

Write-Host "$GPName2 is a Group"
Add-Content .\groups.txt $GPName2

####get all groups from file to compare so as there is no circular nesting

$getallgroups = Get-Content .\groups.txt

Foreach($gmember in $GPMember){
$gsplit = $gmember.split(",")
$fpiece = $gsplit[0]
$cnsplit = $fpiece.split("=")
$Name = $cnsplit[1]

$result = checkgroup $Name

if ($result -eq "true")
{
if ($getallgroups -contains $Name)
{
Write-Host "$Name equals $GPName2"
#####not needed for troubleshooting######Add-Content .\conflict.txt "$Name equals $getallgroups -----"

}
else
{
#####not needed for troubleshooting######Add-Content .\donotconflict.txt "$Name recurse"
getallmembersrecursively $Name
}
}

else
{
Write-Host $Name
Add-Content .\members.txt $Name
##############Write-Host "$Name not equals $GPName2"

}
}
}
}
}
#######################################################################
getallmembersrecursively $Group
sleep 5
#########################unique members################################

$uniquemembers = Get-Content .\members.txt
$uniquemembers = $uniquemembers | select -uniq
Add-Content .\uniquemembers.txt $uniquemembers

$uniquegroups = Get-Content .\groups.txt
$uniquegroups = $uniquegroups | select -uniq
Add-Content .\uniquegroups.txt $uniquegroups

#######################################################################