<#*,:&cls
@echo off
cd /d "%~dp0"
powershell -C "Set-Location -LiteralPath ([Environment]::CurrentDirectory);. ([ScriptBlock]::Create((Get-Content -LiteralPath \"%~f0\" -ReadCount 0 | Out-String)))"
pause
exit /b
#>
# 
$a = "a.txt"
$b = "b.txt"
$encoding = New-Object System.Text.UTF8Encoding -ArgumentList $false
$re = [regex]'data-fakeid="([^"]*)"'
$txt = [System.IO.File]::ReadAllText($a, $encoding)
[system.io.file]::WriteAllLines($b, $(foreach ($m in $re.Matches($txt)) {
      $m.Groups[1].Value
    }), $encoding)
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