Got tired of the %20 in downloaded files…

@echo off
  1. setlocal EnableDelayedExpansion
  2. for /f "delims=" %%I in ('dir /b ^| find "%20"') do (
  3. set var01=%%I
  4. set var02=!var01:%%20=_!
  5. call :ren
  6. )
  7. :ren
  8. ren %var01% %var02%

mycmd