del and ErrorLevel? The del command does not set the ErrorLevel as long as the given arguments are valid, it even resets the ErrorLevel to 0 in such cases (at least for Windows 7). del modifies the ErrorLevel only in case an invalid switch is provided (del /X sets ErrorLevel to 1), no arguments are … Read more
The errorlevel errorlevel is the name of a dynamic variable (it is not placed in the environment block but hold in memory) that stores the exit code of the previous executed process/command (if it sets that value, read here, here, here and here). The if command allows the usage of the if errorlevel n syntax … Read more
if you use exit /b 0 you can return an errorlevel 0 from within a child batch script without also exiting the parent.
Try using setlocal enabledelayedexpansion at the start of your batch file, and !ERRORLEVEL! inside your IF. This seems to work for me: @echo off setlocal enabledelayedexpansion dir nul echo %ERRORLEVEL% if .1.==.1. ( urklbkrlksdj – not a command echo %ERRORLEVEL% echo !ERRORLEVEL! )
This answer is based on experiments I ran under Windows 10. I doubt there are differences with earlier Windows versions that use cmd.exe, but it is possible. Also note – This answer does not attempt to document the ERRORLEVEL result when an internal command encounters an error (except for a wee bit concerning DEL and … Read more
In this answer the ERRORLEVEL values returned by all internal cmd.exe commands are described; they are grouped by the way the value is changed and presented as quick reference tables. I reviewed other similar tables in order to assemble this one, but filled the missing values via tests performed in a Windows 8.1 computer. I … Read more