Re: setting variable based on errorlevel under DOS

[Eli Zaretskii]

> From: address@hidden
> Date: Tue, 25 Oct 2005 16:16:21 -0700
> 
> I have an issue where I need to set the value of a variable based on  
> the errorlevel set by a command and access it in a makefile.
> 
> I am using the 3.81 beta compiled for DOS
> 
> I want to be able to test the exit status of a command like this
> 
> include gmsl
> 
> all:
>      address@hidden /t || if errorlevel 0 cmd /c "set status=1"
>      $(if $(status),@echo failed,@echo success)
> 
> 
> So that if myprogram fails I can set the value of status to 1 and  
> then test $status later
> 
> Can this be done in this way or am I way off base. I am not a DOS  
> expert so I am at a bit of a loss on how to do this


Try this:

all:
        address@hidden /t
        @if not errorlevel 0 echo success

Note that tests of the errorlevel value are actually >= tests.  That
is "if errorlevel N" actually tests that the exit code is N or
greater.