Minecraft Launcher_Profiles Checker [Batch]

@echo off
REM ORIGINAL SCRIPT # Part of the MUL (Minecraft Universal Launcher)
REM (c) Copyright 2014-2018 _chunk__ | BatchHacker @ Pastebin.com/u/BatchHacker
if not exist "%1" goto 1803
set varx=%1
set varx=%varx:"=%
set string1="%varx%"
for %%c in (%string1%) do set string1=%%~dpc
for %%b in (%varx%) do set string2=%%~nxb
set string1=%string1:"=%
cd %string1%
%systemroot%\System32\FINDSTR.exe /C:"displayName" %string2%>vary.txt
if not exist %1 goto 6750
SET /p vary=<vary.txt
del /Q vary.txt
set vary=%vary:~22,100%
set vary=%vary:"=%
if "%vary%"=="~22,100" goto 6750
cls
echo It is a valid JSON file with Player-Informations
pause
exit
:6750
cls
echo It is NOT a valid JSON file with no Player-Informations
pause>>nul
if exist "nul" del /q nul
goto end
:1803
echo Syntax:
echo         CJSON ^<JSON File^>
echo You can also drag and drop the file on the batch.
echo.
pause>>nul
if exist "nul" del /q nul
:end