@echo off

rem PingSubNet.cmd
rem Sat 11/09/2013
rem Chieh Cheng
rem http://www.CynosureX.com/

rem GNU General Public License (GPL) Version 2, June 1991

  SetLocal EnableDelayedExpansion

  set scriptDir=%~d0%~p0
  set scriptName=%~n0%~x0

  call SetNumberOfArguments.bat %*
  if %NumberOfArguments% equ 1 (
    set subnet=%~1
    call :run "!subnet!"
  ) else (
    call :usage
  )

  goto :end

:ping
  set ip=%~1

  java SystemOutPrint "Pinging %ip% . . . "
  call SetVariableToOutput.bat "ping -n 1 -w 1000 %ip% | java eGrep -c timed"
  set result=%OutputVariable%

  if %result% equ 1 (
    java SystemOutPrint "dead.\r"
  ) else (
    echo alive^^!
  )

  goto :EOF

:run
  set subnet=%~1
  set count=1

  for /L %%n in (1, 1, 255) do (
    call :ping "%subnet%.%%n"
  )
  goto :EOF

:usage
  echo   Usage:   "%scriptName%" subnet
  goto :EOF

:end