Function Get-CommandDependencies {
    [CmdletBinding(DefaultParameterSetName="ScriptDependencies")]
    param(
        [Parameter(ParameterSetName="ScriptDependencies", Mandatory=$true)]
        [String]$ScriptPath,
        [Parameter(ParameterSetName="FunctionDependencies", Mandatory=$true)]
        [String]$FunctionName
    )
    if ($PsCmdlet.ParameterSetName -eq "ScriptDependencies")
    {
        if( -not (Test-Path $ScriptPath)){
            throw "Script file $ScriptPath not found"
        } else {
            $definition = Get-Content -Path $ScriptPath -Delimiter "`0"
        }
    }
    else
    {
        if( -not (Test-Path function:\$FunctionName)){
            throw "Function $FunctionName not found"
        } else {

$scriptBlock = Get-Content -Path function:\$FunctionName
            $definition = $scriptBlock.ToString()
        }
    }
    [System.Management.Automation.PSParser]::Tokenize($definition,[ref]$null) |
        Where-Object -FilterScript {$_.Type -eq "Command"} |
        Select-Object -ExpandProperty Content |
        Sort-Object -Unique |
        Get-Command -ErrorAction SilentlyContinue
}