[TriLUG] Truncating a file

[Joshua Gitlin]

Hello TriLuggers,

I'm looking for a utility that will truncate a file... Basically, I'm 
using dd to copy data from one drive to another: I know the block on 
the first drive where the data starts, but the problem is that the data 
isn't an integral number of 512-byte blocks... so, after using dd, I 
need a way to "chop off" the extra bytes from the end of the file. 
(Specifically, what I'm trying to do is recover a DVD-sized image from 
a damaged drive...). Does this make any sense?

-Josh

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