CheckPingSuccess.cmd

@ECHO OFF
REM https://stackoverflow.com/questions/56928545/how-to-make-a-batch-file-react-differently-based-on-the-success-percent-of-a-pin
REM Ben Personick

@(
  SetLocal EnableDelayedExpansion
  ECHO OFF
  SET "_PingAddress=www.aol.com"
  SET "_Count=0"
)

FOR /F "Tokens=1-2 Delims=[]" %%A IN ('Ping %_PingAddress%') DO (
  IF NOT DEFINED _IP (
    IF /I "%%B" NEQ "" (
      SET "_IP=%%B"
    ) ELSE (
      SET "_IP=%_PingAddress%"
    )
  ) ELSE (
    ECHO.%%A | FIND /I "Reply From !_IP!" >nul && SET /A "_Count+=1"
  )
)
IF /I %_Count% GTR 0 (
  ECHO Success - reached %_PingAddress%
  REM More commands here
) ELSE (
  ECHO Failure - cannot reach %_PingAddress%
  REM More commands here
)