ffmpeg -i movie.flv -f mp3 sound.mp3

apt-get install ffmpeg

ls -l [directory] | grep ^- | wc -l

ls -l [directory] | grep ^d | wc -l

Sub ExportChart()
  Dim sChartName As String
  Dim sPrompt As String
  Dim sDefault As String
 
  If ActiveSheet Is Nothing Then GoTo ExitSub
  If ActiveChart Is Nothing Then GoTo ExitSub
 
  sPrompt = "Chart will be exported into directory of active workbook."
  sPrompt = sPrompt & vbNewLine & vbNewLine
  sPrompt = sPrompt & "Enter a file name for the chart, "
  sPrompt = sPrompt & "including an image file extension (e.g., .png, .gif)."
  sDefault = ""
 
  Do
    sChartName = Application.InputBox(sPrompt, "Export Chart", sDefault, , , , , 2)
 
    If Len(sChartName) = 0 Then GoTo ExitSub
    If sChartName = "False" Then GoTo ExitSub
 
    Select Case True
      Case UCase$(Right(sChartName, 4)) = ".PNG"
      Case UCase$(Right(sChartName, 4)) = ".GIF"
      Case UCase$(Right(sChartName, 4)) = ".JPG"
      Case UCase$(Right(sChartName, 4)) = ".JPE"
      Case UCase$(Right(sChartName, 5)) = ".JPEG"
      Case Else
        sChartName = sChartName & ".png"
    End Select
 
    If (ActiveWorkbook.Path & "\" & sChartName) <> "" Then Exit Do
 
    sPrompt = "A file named '" & sChartName & "' already exists."
    sPrompt = sPrompt & vbNewLine & vbNewLine
    sPrompt = sPrompt & "Select a unique file name, "
    sPrompt = sPrompt & "including an image file extension (e.g., .png, .gif)."
    sDefault = sChartName
 
  Loop
 
  ActiveChart.Export ActiveWorkbook.Path & "\" & sChartName
ExitSub:
 
End Sub

ls -l [directory] | grep ^- | wc -l

ls -l [directory] | grep ^d | wc -l

winrm delete winrm/config/listener?Address=*+Transport=HTTP
winrm create winrm/config/listener?Address=*+Transport=HTTP @{port="[porta]"}