Chapters/emitting-objects-as-output/snippets.ps1
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Return "This is a snippets file not a script to run." # functional overview of tool - will not execute as-is # Query data $os = Get-CimInstance -ClassName Win32_OperatingSystem -CimSession $session # Close session $session | Remove-CimSession # Output data $os | Select-Object -Prop @{name = 'ComputerName'; expression = {$computer}}, Version, ServicePackMajorVersion # params into hash table $params = @{ ClassName = 'Win32_OperatingSystem' ComputerName = 'CLIENT1' } # switch params in hash table $params = @{ ClassName = 'Win32_OperatingSystem' ComputerName = 'CLIENT1' Verbose = $True } # splatting hash table of params Get-CimInstance @params # revised snippet - will not execute as-is foreach ($computer in $Computername) { $params = @{ Classname = "Win32_OperatingSystem" Computername = $computer } $OS = Get-CimInstance @params $params.ClassName = "Win32_Processor" $cpu = Get-CimInstance @params $params.className = "Win32_logicalDisk" $vol = Get-CimInstance @params -filter "DeviceID='c:'" #TODO: Clean up output } #foreach $computer # constructing custom object # Output data $props = @{ Computername = $os.CSName TotalMem = $os.TotalVisibleMemorySize FreeMem = $os.FreePhysicalMemory Processes = $os.NumberOfProcesses PctFreeMem = ($os.FreePhysicalMemory/$os.TotalVisibleMemorySize)*100 Uptime = (Get-Date) - $os.lastBootUpTime CPULoad = $cpu.LoadPercentage PctFreeC = ($vol.FreeSpace/$vol.size)*100 } $obj = New-Object -TypeName PSObject -Property $props Write-Output $obj # final code Function Get-TMComputerStatus { [cmdletbinding()] Param( [Parameter(ValueFromPipeline = $True, Mandatory = $True)] [ValidateNotNullorEmpty()] [ValidatePattern("^\w+$")] [Alias("CN", "Machine", "Name")] [string[]]$Computername, [string]$ErrorLogFilePath, [switch]$ErrorAppend ) BEGIN {} PROCESS { foreach ($computer in $Computername) { $params = @{ Classname = "Win32_OperatingSystem" Computername = $computer } $OS = Get-CimInstance @params $params.ClassName = "Win32_Processor" $cpu = Get-CimInstance @params $params.className = "Win32_logicalDisk" $vol = Get-CimInstance @params -filter "DeviceID='c:'" $props = @{ Computername = $os.CSName TotalMem = $os.TotalVisibleMemorySize FreeMem = $os.FreePhysicalMemory Processes = $os.NumberOfProcesses PctFreeMem = ($os.FreePhysicalMemory/$os.TotalVisibleMemorySize)*100 Uptime = (Get-Date) - $os.lastBootUpTime CPULoad = $cpu.LoadPercentage PctFreeC = ($vol.FreeSpace/$vol.size)*100 } $obj = New-Object -TypeName PSObject -Property $props Write-Output $obj } #foreach $computer } END {} } #Get-TMComputerStatus |