# Merge the POD PROFILE block into the cart's content\environ.ini, idempotently.
# Any previous block between the two markers is replaced, so re-running is safe.
$ini  = 'C:\bt411\BT411_4.11.801\content\environ.ini'
$prof = 'C:\bt411\BT411_4.11.801\content\podprofile.ini'

$block = Get-Content $prof
$keep  = @()
if (Test-Path $ini) {
    $inBlock = $false
    foreach ($line in (Get-Content $ini)) {
        if ($line -match '^# ==== BT411 POD PROFILE')     { $inBlock = $true;  continue }
        if ($line -match '^# ==== END BT411 POD PROFILE') { $inBlock = $false; continue }
        if (-not $inBlock) { $keep += $line }
    }
}
# Trim trailing blanks so repeated merges do not grow the file.
while ($keep.Count -gt 0 -and $keep[-1].Trim() -eq '') { $keep = $keep[0..($keep.Count-2)] }

($keep + @('') + $block) | Set-Content $ini -Encoding ascii
Write-Output "environ.ini: $((Get-Content $ini).Count) lines, profile keys:"
Get-Content $ini | Select-String '^(BT_|L4)' | ForEach-Object { $_.Line }