Reply to message «Re: deleting current file», 
sent 20:56:29 15 January 2011, Saturday
by Michael Henry:

Thanks. It is interesting, that ``verbose set bkc'' claims that it was set in 
the vimrc, but in fact it is not (probably it was modified by `set 
nocompatible' 
which resets other options).

Original message:
> On 01/15/2011 11:18 AM, ZyX wrote:
> > On my system vim deletes the old file and moves new to its
> > place (by the way, does someone know how to make vim modify
> > existing file instead?).
> 
> I believe the option 'backupcopy' controls this.  From Vim's
> help::
> 
> """
> 'backupcopy' 'bkc'    string    (Vi default for Unix: "yes", otherwise:
> "auto")
>             global
>             {not in Vi}
>     When writing a file and a backup is made, this option tells how it's
>     done.  This is a comma separated list of words.
> 
>     The main values are:
>     "yes"    make a copy of the file and overwrite the original one
>     "no"    rename the file and write a new one
>     "auto"    one of the previous, what works best
> """
> 
> To check your value and see where it was set::
>   :verbose set backupcopy?
> 
> Michael Henry

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