Migrate-Mozilla-Profile.ps1

$MozillaId = ((Get-Item -Path "HKLM:\\SOFTWARE\Classes\FirefoxHTML-*" | Select-Object -Property Name -First 1).Name).Split("-")[1]
$InstallsFile = Get-Content -Path $env:APPDATA\Mozilla\Firefox\installs.ini
$InstallsMatch = $InstallsFile -match "\[(.*)\]"
if ($InstallsMatch -ne ("[{0}]" -f $MozillaId)) {
    $false
    ("[{0}]" -f $MozillaId)
    $InstallsMatch
} else {
    $InstallsFile -replace "\[(.*)\]", ("[{0}]" -f $MozillaId) | Set-Content -Path $env:APPDATA\Mozilla\Firefox\installs.ini
}
$ProfilesFile = Get-Content -Path $env:APPDATA\Mozilla\Firefox\profiles.ini
$ProfilesMatch = $ProfilesFile -match "\[Install(.*)\]"
if ($ProfilesMatch -ne ("[Install{0}]" -f $MozillaId)) {
    $false
    ("[Install{0}]" -f $MozillaId)
    $ProfilesMatch
} else {
    $ProfilesFile -replace "\[Install(.*)\]", ("[Install{0}]" -f $MozillaId) | Set-Content -Path $env:APPDATA\Mozilla\Firefox\profiles.ini
}