----- Original Message ----- 
From: <tclug-list-request at mn-linux.org>
To: <tclug-list at mn-linux.org>
Sent: Wednesday, August 29, 2007 12:00 PM
Subject: tclug-list Digest, Vol 32, Issue 31


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> Today's Topics:
>
>   1. Re: cat -A showing ^@ characters (Steve Cayford)
>   2. Re: cat -A showing ^@ characters (Nate Straz)
>   3. Re: cat -A showing ^@ characters (Mike Miller)
>   4. OT? Bryan Halvorson (Scott Raun)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 28 Aug 2007 12:00:47 -0500
> From: Steve Cayford <strayf at freeshell.org>
> Subject: Re: [tclug-list] cat -A showing ^@ characters
> To: TCLUG List <tclug-list at mn-linux.org>
> Message-ID: <46D454BF.8070901 at freeshell.org>
> Content-Type: text/plain; charset=UTF-8
>
> You can use hexdump to find out.
>
> -Steve
>
> Donovan Niesen wrote:
>> Anybody know what the ^@ character is in a text file when I view it
>> using cat -A?  I have a dumb Windows program that is creating a text
>> file and using these characters as whitespace.  I'm trying to write a
>> Python script to strip them out but I don't know what the heck they are.
>>
>>
>> -- 
>> Donovan Niesen
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
>> tclug-list at mn-linux.org
>> http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 28 Aug 2007 12:55:52 -0500
> From: Nate Straz <nate at refried.org>
> Subject: Re: [tclug-list] cat -A showing ^@ characters
> To: tclug-list at mn-linux.org
> Message-ID: <20070828175552.GA13297 at refried.org>
> Content-Type: text/plain; charset=us-ascii
>
> On Tue, Aug 28, 2007 at 11:44:39AM -0500, Donovan Niesen wrote:
>> Anybody know what the ^@ character is in a text file when I view it using
>> cat -A?
>
> Usually ^@ represents null characters (hex 0x0).
>
> Nate
>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 28 Aug 2007 13:15:16 -0500 (CDT)
> From: Mike Miller <mbmiller at taxa.epi.umn.edu>
> Subject: Re: [tclug-list] cat -A showing ^@ characters
> To: Nate Straz <nate at refried.org>
> Cc: tclug-list at mn-linux.org
> Message-ID: <Pine.GSO.4.60.0708281312250.10939 at taxa.epi.umn.edu>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
>
> On Tue, 28 Aug 2007, Nate Straz wrote:
>
>> On Tue, Aug 28, 2007 at 11:44:39AM -0500, Donovan Niesen wrote:
>>> Anybody know what the ^@ character is in a text file when I view it 
>>> using
>>> cat -A?
>>
>> Usually ^@ represents null characters (hex 0x0).
>
> Yep:
>
> echo -n 'X' | perl -pe 's/X/\0/' | cat -A
>
> So NULL is ascii zero (in octal, hex or dec):
>
> man ascii
>
> Not every system has "man ascii" but it is good to have, if you ask me.
>
> Mike
>
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 28 Aug 2007 17:48:32 -0500
> From: Scott Raun <sraun at fireopal.org>
> Subject: [tclug-list] OT? Bryan Halvorson
> To: tclug-list at mn-linux.org
> Message-ID: <20070828224832.GA28469 at fireopal.org>
> Content-Type: text/plain; charset=us-ascii
>
> Anyone know Bryan Halvorson?
>
> IIUC, he's the owner of sector14.net, and lives in Twin Cities area.
> He disappeared from an on-line forum I hang out in occasionally, and
> the denizens are hoping he's all right.
>
> -- 
> Scott Raun
> sraun at fireopal.org
>
>
>
> ------------------------------
>
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> tclug-list at mn-linux.org
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> End of tclug-list Digest, Vol 32, Issue 31
> ******************************************