[ILUG] bug in mv and/or ln

[Breathnach, Proinnsais (Dublin)]

I think what was intended was

mkdir foo
ln -s foo bar
mv bar bar

and see what happens, bar will seem to disappear when it was really moved to
foo/
mv follows / resolves the link before executing - proper order :o)

Proinnsias


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> -----Original Message-----
> From:	Mike Knell [SMTP:mike.knell at cs.tcd.ie]
> Sent:	Friday, June 11, 1999 3:00 PM
> To:	ilug at linux.ie
> Subject:	Re: [ILUG] bug in mv and/or ln 
> 
> 
> 
> > Try this in Linux:
> > 
> > create a soft link to a directory,
> > ln -s directory link
> > 
> > now, do the following:
> > mv directory directory
> > 
> > Watch what happens. The "directory" link disappears. A bug?
> 
> What exactly do you mean here?
> 
> If you rename a directory, any symbolic links (as opposed to hard links)
> to it will, I believe, be broken, but the links will remain there 
> pointing to the old name.
> 
> I've tried replicating the above, but haven't noticed any vanishing
> links - just symlinks with nothing left to point at, poor things.
> 
> For clarity, I tried
> 
> mkdir foo
> ln -s foo bar
> mv foo baz
> 
> and ended up with 
> 
> lrwxrwxrwx   1 mknell   mknell          3 Jun 11 14:59 bar -> foo
> drwxr-xr-x   2 mknell   mknell       1024 Jun 11 14:59 baz
> 
> which is correct behaviour.
> 
> Mike
> 
> -- 
> Computer Science System Administrator, Trinity College, Dublin, Ireland
>        mike.knell at cs.tcd.ie -=- http://www.cs.tcd.ie/Mike.Knell/
> 
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