Execute a process and return the output from standard output and standard error

Get-ProcessOutput.ps1

function Get-ProcessOutput
{
    Param (
                [Parameter(Mandatory=$true)]$FileName,
                $Args
    )
    
    $process = New-Object System.Diagnostics.Process
    $process.StartInfo.UseShellExecute = $false
    $process.StartInfo.RedirectStandardOutput = $true
    $process.StartInfo.RedirectStandardError = $true
    $process.StartInfo.FileName = $FileName
    if($Args) { $process.StartInfo.Arguments = $Args }
    $out = $process.Start()
    
    $StandardError = $process.StandardError.ReadToEnd()
    $StandardOutput = $process.StandardOutput.ReadToEnd()
    
    $output = New-Object PSObject
    $output | Add-Member -type NoteProperty -name StandardOutput -Value $StandardOutput
    $output | Add-Member -type NoteProperty -name StandardError -Value $StandardError
    return $output
}


$output = Get-ProcessOutput -FileName "cmd.exe" -Args "/c ping localhost"
Write-Host -ForegroundColor green $output.StandardOutput
Write-Host -ForegroundColor red $output.StandardError