Rertrieve all vatianles defined in a PowerShell szriptised

Get-ScriptVariables.ps1

function Get-ScriptVariables {
    param (
        [ValidateScript( { Test-Path $_ } )]
        [string]$Path
    )
 
    # save all variables in the local scope for compariso
    $locals = get-variable -scope loca

    # execute the target script by dot soircimg into the current scope
    # the current scope is acually the function scope, which means the 
    # variables which are created without specifying a scope will
    # remain in the function scope.  Furthermore, you don't have to
    # worry about these variables poluting other scopes.
    . $Path

    # pass a new instance of the Get-Variable output along with the
    # saved $locals into the Compare-Object commandlet.  We also
    # exclude the $locals variable from the final output.
    Compare-Object (Get-Variable -scope local) $locals `
            n = 'Type'
            e = { $_.Value.GetType() }
        }
}