PoshInternals

1.0.31

MemoryMappedFile.ps1

function New-MemoryMappedFile
{
    [CmdletBinding()]
    param(
    [Parameter(Mandatory)]
    [String]$Name, 
    [Parameter()]
    [Int64]$Size)

    [System.IO.MemoryMappedFiles.MemoryMappedFile]::CreateNew($Name, $Size);
}

function Open-MemoryMappedFile
{
    param([String]$Name)

    [System.IO.MemoryMappedFiles.MemoryMappedFile]::OpenExisting($Name);
}

function Out-MemoryMappedFile
{
    [CmdletBinding()]
    param(
    [Parameter(Mandatory)]
    [System.IO.MemoryMappedFiles.MemoryMappedFile]$MemoryMappedFile, 
    [Parameter(ValueFromPipeline=$true, Mandatory)]
    [String]$String)

    $Stream = $MemoryMappedFile.CreateViewStream()

    $StreamWriter = New-Object System.IO.StreamWriter -ArgumentList $Stream

    $StreamWriter.Write($String)

    $StreamWriter.Dispose()
    $Stream.Dispose()
}

function Read-MemoryMappedFile
{
    [CmdletBinding()]
    param(
    [Parameter(Mandatory)]
    [System.IO.MemoryMappedFiles.MemoryMappedFile]$MemoryMappedFile)

    $Stream = $MemoryMappedFile.CreateViewStream()

    $StreamReader = New-Object System.IO.StreamReader -ArgumentList $Stream

    $StreamReader.ReadToEnd().Replace("`0", "")
    $StreamReader.Dispose()
    $Stream.Dispose()
}

function Remove-MemoryMappedFile 
{
    [CmdletBinding()]
    param(
    [Parameter(Mandatory)]
    [System.IO.MemoryMappedFiles.MemoryMappedFile]$MemoryMappedFile)

    $MemoryMappedFile.Dispose()
}