show memory usage by process name

memu.bat

@ECHO OFF
powershell -ExecutionPolicy Bypass -command "gc %~dp0%0.bat | select -skip 3" | powershell -ExecutionPolicy Bypass -command -
exit /B
#We are now in powershell
$procs = @{}
Get-Process | ForEach-Object {
	$obj = $procs.Get_Item($_.Name)
	if(!$obj){
		$obj = New-Object PSObject
		$obj | Add-Member -type NoteProperty -Name Name -Value $_.Name
		$obj | Add-Member -type NoteProperty -Name Count -Value 0
		$obj | Add-Member -type NoteProperty -Name PrivateMemory -Value 0
	}
	$obj.PrivateMemory+=$_.PrivateMemorySize64
	$obj.Count++
	$procs.Set_Item($_.Name,$obj)
}
function fmt($v){
	$suffix=""
	if($v -gt 9999){
		$suffix="Ki"
		$v/=1024
	}
	if($v -gt 9999){
		$suffix="Mi"
		$v/=1024
	}
	if($v -gt 9999){
		$suffix="Gi"
		$v/=1024
	}
	if($v -gt 9999){
		$suffix="Ti"
		$v/=1024
	}
	$v=[math]::Round($v)
	$b="B"
	return "$v $suffix$b"
}

$procs.GetEnumerator() | %{ $_.Value } | Sort-Object -desc PrivateMemory | % { $_.PrivateMemory=fmt($_.PrivateMemory);$_ }