On 10 Nov 2007, at 23:44, Martin Costabel wrote:
> Jean-François Mertens wrote:
>> Please _ for my own education _ : I don't see what difference the
>> "h" or "n" options make in case of symbolic links ("-s") : don't you
>> write yourself explicitly the name of the target in the command then?
>
> The difference is the following:
> Suppose A and B are directories and you made a symlink C->A via
>
> ln -s A C
>
> Now suppose you want to change the link C to point to B instead of
> A. If you execute
>
> ln -sf B C
>
> you won't get the desired result. You will instead get a symlink B-
> >B inside A. You need to say
>
> ln -sfn B C
>
> to change the symlink C->A to C->B.
Oh ! would have thought naively that -f alone already have this
effect...
but I know I have the habit (but thought it was just excess precaution)
to rm existing symlinks before creating new ones ..
Just tested your example with coreutils' ln too : as you said...
And a VERY careful reading of the man page confirms ...
Thanks !
Jean-Francois
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