Re: Linking two files together

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On 26May2010 10:16, Rector, David <drector@xxxxxxxxxxxxxx> wrote:
| I have studied various filesystems, and am fairly familiar with how they are structured. However, I am currently stuck on trying to do what seems like a simple thing.
| 
| I would like to join two files together without having to physically copy bytes (i.e. I have vary large files, so I don't want to use 'cat'). It seems to me that it should be possible to simply modify the file entry in the filesystem such that the last inode of the first file points to the first inode of the second file. I guess this is similar to a "hard link", but used to join files rather than simply have another pointer to one file.

Can you elaborate on why you want this as opposed to to a hard link?
i.e. what specific facility a hard link does _not_ give you that your
proposal would?

It looks like you're asking for something that would behave from the
outside just like a hard link but not be one on the inside.
-- 
Cameron Simpson <cs@xxxxxxxxxx> DoD#743
http://www.cskk.ezoshosting.com/cs/

Sometimes I think that the only reason I stay in the physics biz is the hope
that someday I can give the "Thermonuclear Protection" a little thermonuclear
testing.        - Phillip J. Birmingham <birmingh@xxxxxxxxxxxxxx>
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