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Asked: 2026-05-10T16:03:08+00:00

I’m trying to automate a program I made with a test suite via a

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I’m trying to automate a program I made with a test suite via a .cmd file.

I can get the program that I ran’s return code via %errorlevel%.

My program has certain return codes for each type of error.

For example:

1 – means failed for such and such a reason

2 – means failed for some other reason

…

echo FAILED: Test case failed, error level: %errorlevel% >> TestSuite1Log.txt

Instead I’d like to somehow say:

echo FAILED: Test case failed, error reason: lookupError(%errorlevel%) >> TestSuite1Log.txt

Is this possible with a .bat file? Or do I have to move to a scripting language like python/perl?

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1 Answer

  1. You can do this quite neatly with the ENABLEDELAYEDEXPANSION option. This allows you to use ! as variable marker that is evaluated after %.

    REM Turn on Delayed Expansion SETLOCAL ENABLEDELAYEDEXPANSION  REM Define messages as variables with the ERRORLEVEL on the end of the name SET MESSAGE0=Everything is fine SET MESSAGE1=Failed for such and such a reason SET MESSAGE2=Failed for some other reason  REM Set ERRORLEVEL - or run command here SET ERRORLEVEL=2  REM Print the message corresponding to the ERRORLEVEL ECHO !MESSAGE%ERRORLEVEL%!

    Type HELP SETLOCAL and HELP SET at a command prompt for more information on delayed expansion.

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