2012/5/31 Dirk Sondermann :
> On 31.05.2012 15:45, AZ 9901 wrote:
>> 2012/5/31 Eric Blake <ebl...@redhat.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 :-) -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
