errorlevel

The batch has to remove files and directories from specific locations and output success or stdout/stderr messages to a new .txt file. I have created the most of the script and it performs exactly as it should, except when the deletion is successful it moves forward to the next line rather than echo a 'successful' message on the log. echo Basic Deletion Batch Script > results.txt @echo off call :filelog >> results.txt 2>&1 notepad results.txt exit /b :filelog call :delete new.txt call :delete newer.txt call :delete newest.txt call :remove c:\NoSuchDirectory GOTO :EOF :delete echo deleting %1

I'm trying to chain a series of .bat files using the EXIT /B X command to return success or failure and && and || for conditional running of the next .bat (e.g. a.bat && b.bat ). Regardless of whether I call EXIT /B 0 or anything else to end a.bat, a.bat && b.bat will call b.bat afterward. My understanding is that EXIT /B 0 should set ERRORLEVEL=0 , which is success, so the && should continue. The counterpoint to this is that calling EXIT /B 1 should set ERRORLEVEL=1 which is failure, so the && should stop. What am I missing here? Trivialized example: For non-batch commands, acting as expected

I have a post-build event that runs some commands for a c# project. The last command would sometimes cause the ERRORLEVEL value not equals to zero and then the build fails. I want to append an extra line of command to always set the ERRORLEVEL value to zero. What is the most convenient way to do that? akf if you use exit /b 0 you can return an errorlevel 0 from within a child batch script without also exiting the parent. Seems to do the trick: ver > nul Not everything works, and it is not clear why. For example, the following do not: echo. > nul cls > nul In a pre- or post-build event, if the

I think i have a basic understanding of ERRORLEVEL vs %ERRORLEVEL% but !ERRORLEVEL! confuses me. I'm making a script that calls an executable, then tasklist to see if its running, then taskkill to kill it if it is and then trying to output the errorlevels and repeating for other exe's and i'm realising i really don't understand errorlevels in batch. I set a variable equal to !errorlevel! then used that variable without quotation marks in an echo, and the variable changed from one uint16 to another uint16 when there was an error after the set, like its a reference to the real one instead of a

Just stumbled into a weird thing with %ERRORLEVEL% and wanted to see if anyone knows why and if there's a way to fix it. Essentially, it seems as if commands executed inside if statements don't set the %ERRORLEVEL% variable. The ERRORLEVEL (as in IF ERRORLEVEL 1 , which is different from IF %ERRORLEVEL% EQU 1 ) check seems to still work fine though, so I can probably work around it, but it would still be nice to be able to print the error level. For debugging or whatever. @echo off Set TESTVAR=1 tasklist | find /I "IsntRunning.exe" > NUL echo OUTSIDE_IF %ERRORLEVEL%