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Date:	Sun, 11 May 2014 19:35:22 +0200
From:	Thomas Wolff <towo AT towo DOT net>
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To:	cygwin AT cygwin DOT com
Subject:	Re: dd garbled output
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Am 11.05.2014 09:17, schrieb Steven Penny:
> Using this file
>
>      $ cat file.txt
>      hello
>      doge
>      world
>
> I can run this command
>
>      $ grep -v doge file.txt | dd conv=notrunc of=file.txt
>
> and get output as expected
>
>      $ cat file.txt
>      hello
>      world
>
> However with Cygwin the end result is garbled
No, it's not.
>      $ cat infile.txt
>      hello
>      world
>      orld
>
> What is causing this?
Obviously, you had some content in file.txt before and *as you 
requested* (conv=notrunc, read the manual) dd did not overwrite that but 
only filled in its output at the beginning of the file.


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