helpers/Get-Size-Bytes.ps1
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function Get-Size-Bytes { # Returns a size specified with a unit (E.g. 100, 100k, 100M, 100G) into bytes without a unit param ( [string]$size_str ) if (!$size_str) { $size_str = '0' } if ($size_str -match '(?:[0-9]+|[0-9]+(?:k|M|G))$') { $size_unit = $size_str -replace '[0-9]+' [int64]$size = $size_str -replace $size_unit switch($size_unit) { "" { $size = $size } "k" { $size = $size * 1024 } "M" { $size = $size * 1024 * 1024 } "G" { $size = $size * 1024 * 1024 * 1024 } } }else { #Write-Error "The size specified was '$size_str'. Size should be specified in quantity and unit, e.g. '100k', or '100M'. Only units 'k', 'M', or 'G' are allowed." -ErrorAction Stop throw "The size specified was '$size_str'. Size should be specified in quantity and unit, e.g. '100k', or '100M'. Only units 'k', 'M', or 'G' are allowed." #Write-Error -Exception (New-Object Exception "The size specified was '$size_str'. Size should be specified in quantity and unit, e.g. '100k', or '100M'. Only units 'k', 'M', or 'G' are allowed.") -ErrorAction Stop } $size } |