functions/Get-MyVariable2.ps1
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Function Get-MyVariable { [cmdletbinding()] [OutputType([System.Management.Automation.PSVariable])] [Alias("gmv")] Param( [Parameter(Position = 0)] [ValidateSet("Global", "Local", "Script", "Private", 0, 1, 2, 3)] [ValidateNotNullOrEmpty()] [string]$Scope = "Global", [switch]$NoTypeInformation ) Write-Verbose "Getting system defined variables" #get all global variables from the initial session state $PSVariables = [system.collections.generic.list[string]]::New() ((Get-Runspace 1).initialsessionstate.variables.name).foreach( { $PSVariables.Add($_) }) Write-Verbose "Found $($psvariables.count) initial state variables" $skip = '?', 'args','ConsoleFileName', 'Error', 'esc', 'ExecutionContext', 'false', 'HOME', 'Host', 'input', 'MaximumAliasCount', 'MaximumDriveCount', 'MaximumErrorCount', 'MaximumFunctionCount', 'MaximumHistoryCount', 'MaximumVariableCount', 'MyInvocation', 'null', 'PassThru', 'PID', 'PROFILE', 'PSBoundParameters', 'PSCommandPath', 'PSCulture', 'PSDefaultParameterValues', 'PSEdition', 'PSGetPath', 'PSHOME', 'PSScriptRoot', 'PSUICulture', 'PSVersionTable', 'PWD', 'ShellId', 'true', 'verify', 'skip', 'scope', 'this', 'LastExitCode', '_', 'EnabledExperimentalFeatures' $skip.Foreach({ $PSVariables.Add($_) }) #exclude variables defined by the PSScriptTools module $modVar = "PSAnsiFileMap","PSSamplePath","PSSpecialChar" $modvar.Foreach({ $PSVariables.Add($_) }) <# find all the variables where the name isn't in the variable we just created and also isn't a system variable generated after the shell has been running and also any from this function #> Write-Verbose "Getting current variables in $Scope scope" $variables = Get-Variable -Scope $Scope Write-Verbose "Found $($variables.count) variables" Write-Verbose "Filtering variables" #filter out some automatic variables $filtered = $variables | Where-Object { $psvariables -NotContains $_.name } if ($NoTypeInformation) { #write results without object types $filtered } else { #add type information for each variable Write-Verbose "Adding value type" $filtered | Select-Object Name, Value, @{Name = "Type"; Expression = { $_.Value.GetType().Name } } } Write-Verbose "Finished getting my variables" } #end function |