From: Dave Horsfall <dave@horsfall.org>
To: Computer Old Farts Followers <coff@tuhs.org>
Subject: [COFF] Re: Shell script advice: using 'dd' to write multiple media
Date: Wed, 28 Jun 2023 07:01:18 +1000 (EST) [thread overview]
Message-ID: <alpine.BSF.2.21.9999.2306280657560.50961@aneurin.horsfall.org> (raw)
In-Reply-To: <A4FD2EBC-BF62-426E-B02C-1D37B3F0D7E4@canb.auug.org.au>
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On Tue, 27 Jun 2023, steve jenkin wrote:
> I’ve tried doing the ‘dd’ in a for or while loop many ways, many times.
>
> Perhaps you could write & yesy a little demo script for me.
>
> Say, “ls -1 | for (); do dd bs=10b; done”
The problem is the pipe, of course; no Unix I know will allow a seek on a
pipe (?), so it will have to be buffered somehow.
I'm a bit tied up right now, so I'll take a look later. In the meantime
you seem to have lots of responses...
-- Dave
next prev parent reply other threads:[~2023-06-27 21:01 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-26 23:09 [COFF] " steve jenkin
2023-06-26 23:21 ` [COFF] " Dave Horsfall
2023-06-26 23:44 ` steve jenkin
2023-06-27 21:01 ` Dave Horsfall [this message]
2023-06-26 23:32 ` Clem Cole
2023-06-27 4:43 ` Steve Jenkin
2023-06-26 23:44 ` Bakul Shah
2023-06-27 3:47 ` Steve Jenkin
2023-06-27 15:50 ` Steffen Nurpmeso
2023-06-27 16:07 ` Steffen Nurpmeso
2023-06-27 0:25 ` segaloco via COFF
2023-06-27 6:23 ` Ralph Corderoy
2023-06-27 6:28 ` Adam Thornton
2023-06-27 6:33 ` Ralph Corderoy
2023-06-27 7:53 ` steve jenkin
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