Syntax of above is given below: IF %ERRORLEVEL% NEQ 0 Echo "Error was found" At the end of the file EXIT command also returns the errors from a batch file. Error codes are also known as exit codes. This variable returns 1 in case of an incorrect function, 0 if it executes successfully, 2 shows that it can’t find a specified file in a particular location, 3 represents that system can’t able to find mentioned path, and 5 shows that access got denied. txt will display errors as given below:īy using an environment variable (%ERRORLEVEL%) to detect errors : The environmental variable %ERRORLEVEL% contains the return code or the latest error level in the batch file. So we need to employ the errors into a separate file so that developers can easily look at the errors and can solve them.įollowing is the eg of sample file: net statistics /ServerĮxecute this command in your command line prompt on your PC: C:\>sample.bat > samplelog.txt 2> sampleerrors.txt offĮmploy/Logging the error message to another file: It is hard to solve the issue just by looking at it in the command prompt window using the echo command.
In the below example the echo command is used to print the numbers as well as also in the place where the chance of error is higher. It will pop up a message wherever the error occurred. Working with the echo command: It’s quite an easy and basic option to debug the batch file.
BASH SCRIPT DEBUGGER HOW TO
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