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Date: Fri, 11 Oct 2013 13:24:08 -0400
From: "Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: ERRORLEVEL not returning to Cygwin shell
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On 10/11/2013 11:53 AM, Christopher Faylor wrote:
> On Fri, Oct 11, 2013 at 10:42:47AM -0400, Earnie Boyd wrote:
>> On Fri, Oct 11, 2013 at 10:35 AM, Nellis, Kenneth wrote:
>>>> From: Larry Hall (Cygwin)
>>>>
>>>> On 10/11/2013 8:27 AM, paul hermeneutic wrote:
>>>>> I am using CYGWIN_NT-5.1 PAC047922 1.7.25(0.270/5/3) 2013-08-31 20:39
>>>>> i686 Cygwin
>>>>>
>>>>> An exit code returned by a DOS batch file does not seem to be coming
>>>>> back to the Cygwin shell. I am using bash.
>>>>>
>>>>> $ cat myexit.bat
>>>>> @echo off
>>>>> set EXITCODE=%1
>>>>> echo got here with %1
>>>>> exit /b %EXITCODE%
>>>>>
>>>>> $ cmd /c c:/DOCUME~1/pwatson/bin/myexit.bat 8
>>>>> got here with 8
>>>>>
>>>>> $ echo $?
>>>>> 0
>>>>
>>>> WJFFM.  Same version, same arch.  Guess you need to do some more digging.
>>>
>>> FWIW, I get the same results as the OP:
>>>
>>> $ cat myexit.bat
>>> @echo off
>>> set EXITCODE=%1
>>> echo got here with %1
>>> exit /b %EXITCODE%
>>> $ cmd /c myexit.bat 8
>>> got here with 8
>>> $ echo $?
>>> 0
>>> $ uname -r
>>> 1.7.25(0.270/5/3)
>>> $
>>>
>>> For grins, I tried with both Unix and DOS line endings. Made no difference.
>>
>> Cygwin has no control and loses all communication with the cmd.exe
>> child process.  How is it supposed to return anything other than an
>> exit code of 0 because cmd.exe exited normally.  You simply cannot mix
>> Windows and Cygwin like this.
>
> exit /b seems to cause CMD to exit with that value.  It does for me:
>
>    % cmd /c myexit.bat 9; echo SAW $?
>    got here with 9
>    SAW 9
>
> This is on Windows 7 64.  Maybe other versions of Windows differ.

Don't know if it's significant or not but I'm running W7 64 too,
running Cygwin 32bit.


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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