Iterates through a given folder's ChildItems and creates a symbolic link in a different given directory.

MKLinkIterate.ps1

$toLink = 'C:\Program Files';
$toWhere = 'D:\Program Files';

$items = Get-ChildItem -path $toLink;
foreach ($line in $items) {
    if ($line -eq $null) {break;}
    $exp = 'cmd /c mklink /d "' + $toWhere + '\' + $line + '" "' + $toWhere + '\' + $line + '"';
    Write-Host $exp;
    Invoke-Expression -Command $exp;
}