сумма по строкам

summ.ps1

[CmdletBinding()]
    param(        
		[parameter(Mandatory=$true, Position=1)]
        [string]$Text
    )

function SReplace($str)
{
  [string]$ret = $str
	[string[]] $Del = "`n,`r,`t, ,`",`",`',`'," -split ","
	$Del += [char]([byte]160)
	
	$Del | Foreach-Object -Process { $ret = $ret -replace $_, ""}
	
	$ret = $ret	-replace ",","."
	
	return $ret
}
	
[string[]] $lines = $Text -split "`n"
[double] $sum = 0

$lines | Foreach-Object -Process {
	$sum += [double] (SReplace $_)
}

return $sum