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Re: [coreutils] [PATCH] head: optionally indicate underrun of set limit
From: |
Pádraig Brady |
Subject: |
Re: [coreutils] [PATCH] head: optionally indicate underrun of set limit |
Date: |
Thu, 25 Nov 2010 16:34:39 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 |
On 25/11/10 16:17, Stefan Tomanek wrote:
> Dies schrieb Pádraig Brady (address@hidden):
>
>> process_part() { echo processing $(wc -c) bytes; }
>> while true; do
>> c=$(od -tx1 -An -N1)
>> test "$c" || break
>> c=$(echo $c) #strip leading ' '
>> { printf "\x$c"; head -c9; } | process_part
>> done
> That's actually a neat idea, I'll see if I can adapt this
> for my purpose. But you must admit that having a modified
> 'head' to replace the od/test/echo/printf part would be a
> nice thing?
Well I'm much less convinced now after realizing
that it didn't allow for a general solution.
Note the `od` above might seem a bit obtuse,
but it's really equivalent to and follows from
`head -c1 | hexdump`
cheers,
Pádraig.