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Date:	Thu, 31 May 2012 20:44:19 +0200
Message-ID:	<CANs8wdDjfzd_Hp3YjfvoZC6JQ0okinbXGyfK06+9DZECM6DTkg@mail.gmail.com>
Subject:	Re: [cron-config] Possible issue with administrators group ?
From:	AZ 9901 <az9901 AT gmail DOT com>
To:	cygwin AT cygwin DOT com
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2012/5/31 Dirk Sondermann :
> On 31.05.2012 15:45, AZ 9901 wrote:
>> 2012/5/31 Eric Blake <eblake AT redhat DOT com>:
>>> On 05/31/2012 05:18 AM, AZ 9901 wrote:
>>>> 2012/5/29 AZ 9901 :
>>>>> Hello,
>>>>>
>>>>> I am looking at the /bin/cron-config script.
>>>>>
>>>>> Line 627, we can find :
>>>>> elif net localgroup "${_admingroup}" | grep -Eiq "^${username}.?$"; then
>>>>>
>>>>> Why .? at the end of the regexp ? "^${username}.?$"
>>>
>>> Because 'net' outputs in DOS mode, with carriage returns at the end.
>>
>> OK, I was also thinking about this (talking about buggy output) but I
>> was not sure.
>> Strange that using grep -iq "^${username}$" works fine (well, I just
>> tested this on my XP).
>
> This works because the current version of grep (2.6.3-1) doesn't treat
> its input as binary by default, but strips the carriage returns from
> the output of net localgroup. So grep -iq "^${username}$" matches, but
> grep --binary -iq "^${username}$" doesn't.
>
>> Do Windows tools output in DOS mode "when they want" ?
>
> No, od -c shows the \r\n endings in the output of net localgroup.
>

Thank you very much for this explanation, it makes sense !
So perhaps maintainer of cron package could update the regexp to avoid
the little possible issue :-)

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