functions/Remove-LmhostsEntry.ps1
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Function Remove-LmhostsEntry { [CmdletBinding(SupportsShouldProcess, DefaultParameterSetName = 'Name')] Param( [Parameter( Position = 0, Mandatory, ParameterSetName = 'Name', ValueFromPipelineByPropertyName )] [Alias('CN', 'Name')] [String]$Computername, [Parameter( Mandatory, ParameterSetName = 'IP', ValueFromPipelineByPropertyName )] [ValidatePattern('(\d{1,3}\.){3}\d{1,3}')] [String]$IPAddress ) Begin { Write-Verbose "[$((Get-Date).TimeOfDay) BEGIN ] Starting: $($MyInvocation.MyCommand)" if (-not (Test-Path $lmfile )) { Write-Warning "No file found at $lmfile. Use Set-LmhostsEntry to add an entry." $Verified = $False } else { $Verified = $True } } #begin Process { If ($Verified) { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Removing entry by $($PSCmdlet.ParameterSetName)" $FindParams = @{Raw = $True } Switch ($PSCmdlet.ParameterSetName) { 'Name' { $FindParams.Add('Computername', $PSBoundParameters.item('Computername')) } #computername 'IP' { $FindParams.Add('IPAddress', $PSBoundParameters.Item('IPAddress')) } #IP } #switch Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Searching for entry" $entry = Get-LmhostsEntry @FindParams if ($entry) { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Creating a backup file copy" Copy-Item -Path $lmfile -Destination $lmbackup $content = Get-Content -Path $lmfile Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Removing $get" ($content -replace $entry, '') | Out-File -FilePath $lmfile -Encoding ascii } } #if verified }# process End { Write-Verbose "[$((Get-Date).TimeOfDay) END ] Ending: $($MyInvocation.MyCommand)" } #end } |