Resizes files anchoring to EOF

alignbytes.ps1

'3705688449	,setup_cyberpunk_2077_build_4902785change_6408866_with_ep1_rl_(64bit)_(67718)-25.bin
2124976		,setup_cyberpunk_2077_build_4902785change_6408866_with_ep1_rl_(64bit)_(67718).exe
30669496	,setup_cyberpunk_2077_redmod_build_4902785change_6408866_with_ep1_rl_(64bit)_(67718).exe' -split '\n' `
| %{
	$expected,$name = $_ -split ','
	$expected = [UInt32]$expected
	
	$diff = (gci $name).Length - $expected
	if (!$diff) {
		return
	}
	
	$bs = 1
	while (!($diff -band 1)) {
		$bs   *= 2
		$diff /= 2
	}
	
	dd `
		"if=$name" `
		"of=${name}_" `
		"bs=$bs" `
		"$(('seek','skip')[!($diff -lt 0)])=$([Math]::Abs($diff))"
	gci $name      | Rename-Item -NewName "_$name"
	gci "${name}_" | Rename-Item -NewName $name
}