Re: Need blocking /dev/null

[Ville Herva]

On Wed, Oct 31, 2001 at 12:51:29AM +0000, you [Riley Williams] claimed:
> Hi Marko.
> 
> > PS Are /dev/null and /dev/zero also redundant?
> 
> I regularly use both...
> 
>  1. Find a download that doesn't appear where one expected it...
> 
> 	find / -name "wanted-but-lost-download" 2> /dev/null
> 
>  2. Create a loop-mounted partition to populate as a CD image before
>     burning the CD in question.
> 
> 	dd if=/dev/zero bs=1048576 count=750 of=/tmp/cd.img
> 	mke2fs /tmp/cd.img
> 	mount -o loop /tmp/cd.img /img/cd
> 
>  3. Create a loop-mounted partition to populate as a floppy image.
> 
> 	dd if=/dev/zero bs=1024 count=1440 of=/tmp/floppy.img
> 	mke2fs /tmp/floppy.img
> 	mount -o loop /tmp/floppy.img /img/floppy
> 
> Neither has alternatives that make sense as far as I can see.

Certainly have in the sense that you could theoretically do that in user
space.

find / -name "wanted-but-lost-download" | eat
zerofill | head -c 1440k > /tmp/floppy.img
ssh foo@bar | block

etc.
 
(Implementation of eat, block and zerofill is left as an exercise...)

-- v --

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