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Date:	Thu, 1 Oct 2009 13:45:19 -0400
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Subject:	Re: Assistance sought grepping log files
From:	mike marchywka <marchywka AT gmail DOT com>
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On Thu, Oct 1, 2009 at 1:39 PM, Dave Korn
<dave DOT korn DOT cygwin AT googlemail DOT com> wrote:
> Larry W. Virden wrote:
>
>> For example, I've copied some of the "12 hive" tracing logs from IIS (or
>> maybe it is SharePoint... I'm still struggling to figure all this out) i=
nto
>> a directory to which I have access.
>>
>> Now I'd like to crunch those logs to see the errors, etc.
>>
>> awk and grep, however, do not seem to find anything in the files.
>
>> The weird thing is that when I use the "more" command, the file looks ju=
st
>> fine.
>
> =A0You could use the "od" utility to see what's actually going on in these
> files. =A0My guess would be that there are embedded ascii NULs that are c=
ausing
> all the string processing routines in awk/grep etc. to fail. =A0If that's=
 the
> case, running them through "tr -d '\0'" might help.
>
It sounds like he may be unfamiliar with regex but yes it could be unicode =
or
something. if you see zero every other character that will be apparent.


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