Check for multiple registry keys in batch file -

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i need check registry multiple keys before start program (they shouldn't exist). spread solution checking registry keys works 1 check since sets global errorlevel 1. example below won't work correctly.

@echo off  reg query hkey_local_machine\software\mykey >nul if %errorlevel% equ 0 (     echo "mykey exists - nothing" ) else (     reg query hkey_local_machine\software\mykey2 >nul      if %errorlevel% equ 0 (          echo "mykey2 exists - nothing"     ) else (          run program     ) )

using errorlevel require delayed expansion.you can try if errorlevel

@echo off  reg query hkey_local_machine\software\mykey >nul if %errorlevel% equ 0 (     echo "mykey exists - nothing" ) else (     reg query hkey_local_machine\software\mykey2 >nul      if errorlevel 1 (          run program     ) else (          echo "mykey2 exists - nothing"     ) )

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