Endchan remux.bat script (fixes hevc thumbnails)

setlocal EnableDelayedExpansion

:loop
   if "%~1"=="" goto break

   set "input=%~n1"
   set "ending=%~x1"
   set "cleanin=!input:_original=!"
   set "output=!cleanin!.mp4"

   echo "!input!" | findstr /I /R "^.*_original" > NUL

   if !errorlevel! EQU 0 (
      set "output=!cleanin!.mp4"
   ) else (
      if /I "!ending!"==".mp4" (
         set "output=!cleanin!_remux.mp4"
      )
   )

   ffmpeg -i %1 -c copy "!output!"

shift
goto loop

:break
endlocal

if errorlevel 1 pause