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