[Georgio]

Код:

@echo off
setlocal enabledelayedexpansion
for /f "skip=103 delims=" %%i in ('ping ya.ru -n 100') do (
 set x=%%i
 call:# "!x:%%=%%%%!"
 )
endlocal
exit /b

:#
 chcp 1251>nul
 for /f "delims=" %%i in (%1) do echo %%i>>"ping ya.ru.log"
 chcp 866>nul
 exit /b