Photoshopの言語モードを切り替える

@echo off
set PHOTOSHOP_DIR=%ProgramFiles%\Adobe\Adobe Photoshop CC 2015.5
if not exist "%PHOTOSHOP_DIR%\" (
  echo %PHOTOSHOP_DIR% is not found.
  pause
  exit /b -1
)

if exist "%PHOTOSHOP_DIR%\Locales\ja_JP\Support Files\tw10428.dat" (
  set CURRENT_LANG=Japanese
  set SWITCHED_LANG=English
) else if exist "%PHOTOSHOP_DIR%\Locales\ja_JP\Support Files\tw10428.dat.bak" (
  set CURRENT_LANG=English
  set SWITCHED_LANG=Japanese
) else (
  echo Cannot understand currently Photoshop language mode.
  pause
  exit /b -1
)

echo Currently Photoshop language mode is %CURRENT_LANG%.
echo.
echo Press any key to switch to %SWITCHED_LANG%.
pause

if exist "%PHOTOSHOP_DIR%\Locales\ja_JP\Support Files\tw10428.dat" (
  rename "%PHOTOSHOP_DIR%\Locales\ja_JP\Support Files\tw10428.dat" tw10428.dat.bak
) else if exist "%PHOTOSHOP_DIR%\Locales\ja_JP\Support Files\tw10428.dat.bak" (
  rename "%PHOTOSHOP_DIR%\Locales\ja_JP\Support Files\tw10428.dat.bak" tw10428.dat
) else (
  echo Failure to switch Photoshop language mode.
  pause
  exit /b -1
)

exit /b 0

Currently Photoshop language mode is Japanese.

Press any key to switch to English.
続行するには何かキーを押してください . . .