Enumerate and backup profiles from remote PCs using Robocopy

##  Enumerate and backup profiles from remote Windows PCs using Robocopy
##  Written by Jeff Harbert 3-30-2017
##  This Powershell script is intended to be run once per day as a scheduled task

#   Backups will go into folders named for days of the week.
$day = (get-date).dayofweek

#   List of computers to get profiles from.
$computers = @("computer1","computer2","computer3")
foreach ($computerName in $computers)
{
#   List of profiles will be saved to this file.
$saveFile = $computerName + "_profiles.txt"

#   Grab the profiles form the remote PC and save the list to the file above.
gwmi -Namespace "root\cimv2" -Class win32_userprofile -Impersonation 3 -ComputerName $computerName | select LocalPath > $saveFile

#   Start processing the file to isolate the user profile names.
$lines = (gc $saveFile)
foreach ($line in $lines)
{
    $b = $line.contains("Users")
    If ($b -eq "True")
        {
        $array = $line.Split("\")
        $userName = $array[2]
        #   The output of the command above results in trailing whitespace. The next command eliminates it.
        $userName = $userName.Trim()
        #   Specify the folders to be backed up
        $folders = @("Desktop","Downloads","Documents","Music","Pictures")
        foreach ($folder in $folders)
            {
            #   This creates the Robocopy command that will be run for each folder listed above.
            $cmd = '& robocopy /e /xo /nfl /r:5 /w:2 \\' + $computerName + '\c$\Users\' + $userName + '\' + $folder + ' f:\profiles\' + $day + '\' + $computerName + '\' + $userName + '\' + $folder + '\'
            #   Execute the Robocopy command.
            Invoke-Expression $cmd
            }
        }
}
}