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
Add setlocal EnableDelayedExpansion to the start of your script, then use !errorlevel! instead of %errorlevel% Delayed Expansion will cause variables to be expanded at execution time rather than at parse time ~ http://ss64.com/nt/delayedexpansion.html The answer to another question that pointed me in the right direction: Errorlevel of command executed by batch for loop
echo %ERRORLEVEL% From TechNet, Command shell overview: “%ERRORLEVEL% … Returns the error code of the most recently used command. A non zero value usually indicates an error.” To test for specific error levels in batch files, you may find this knowledgebase article useful.
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! )
Yes, $? is the variable that contains the error level. Try echo $? for example. An example from Cygwin bash (I’m guessing you are using Cygwin because you are using the Windows cmd in your example.) susam@nifty /cygdrive/c/Documents and Settings/susam/Desktop $ cmd /c “badapp” ‘badapp’ is not recognized as an internal or external command, operable … Read more
This likely doesn’t work with start, as that starts a new window, but to answer your question: If the command returns a error level you can check the following ways By Specific Error Level commandhere if %errorlevel%==131 echo do something By If Any Error commandhere || echo what to do if error level ISN’T 0 … 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.