Re: RFS: truncate (now it's free, for real!)
Michael Mayer (michael-mayer@gmx.de) wrote:
>
>On Mon, Mar 08, 2004 at 22:46:21 -0800, Matt Zimmerman wrote:
>> Is something so trivial worth packaging? It sounds like it doesn't do
>> anything that dd doesn't.
>
>Oh, yes, it is worth it! In fact, some month ago I wrote a tool like this
>for my personal use to cut movie files which are slightly to big to fit on a
>CD.
>
>And yes, you can do something like this with dd, but dd always copies the
>file using the supplied blocksize. So you have to copy 700MB in chunks of
>2kB each just to trunc the trailing few kB: Keeps your HDD busy for a long
>time and is very annoying.
Not if you read the man page:
dd if=/dev/null of=totruncate bs=1 seek=positiontotruncate
Cheers
T.
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