Re: Writing files without EOL -> :set noeol

--- On Mon, 16/8/10, Tony Mechelynck <antoine.mechelynck@gmail.com> wrote:

> From: Tony Mechelynck <antoine.mechelynck@gmail.com>
> Subject: Re: Writing files without EOL -> :set noeol
> To: vim_use@googlegroups.com
> Cc: "Peter Hodge" <toomuchphp-vim@yahoo.com>
> Received: Monday, 16 August, 2010, 1:48 PM
> On 16/08/10 03:18, Peter Hodge
> wrote:
> > --- On Mon, 16/8/10, Sven Guckes<guckes@guckes.net> 
> wrote:
> >
> >> From: Sven Guckes<guckes@guckes.net>
> >> Subject: Re: Writing files without EOL -> 
> :set noeol
> >> To: "vim_use"<vim_use@googlegroups.com>
> >> Received: Monday, 16 August, 2010, 11:13 AM
> >> * Peter Hodge<toomuchphp-vim@yahoo.com>
> >> [2010-08-16 03:08]:
> >>> Is there a way to make vim write a file using
> dos
> >> line
> >>> endings (<CR>  <NL>) but
> *without* the EOL
> >> at the end?
> >>
> >> yes... use ":set noeol"
> >
> > No, the 'eol' option is ignored unless I set 'binary'
> also. But if I set 'binary', the file is written as though
> fileformat=unix, I need it to be written with
> fileformat=dos.
> >
> > Peter
> >
> >
> >
> >
>
> Well, then you'll just have to open the file with
>
>     :e ++bin ++ff=unix filename
>
> then make sure that there is a visible ^M at the end of
> each line except the last. You can put it there by hitting
> Ctrl-V (or Ctrl-Q if you use Ctrl-V to paste) followed by
> <Enter> just before (and in addition to) the
> <Enter> which breaks the line. You may even make the
> mappings (to be sourced in an "after-plugin" of the ftplugin
> kind whenever you open one of those files:
>
> (untested)
>     map <buffer> o
> A<C-V><CR><CR>
>     map <buffer> O
> O<C-V><CR><Left>
>     imap <buffer> <CR>
> <C-V><CR><CR>
>
> and maybe others. Of course this will still not take care
> of lines broken by means of a \r in the "replace by" part of
> a :substitute -- I'm not sure how to insert a "real" ^M at
> that point.
>
> Or else, maybe you could write a BufWritePre autocommand to
> add a ^M at the end of any line (other than the last) which
> hasn't yet got one. Something like this (untested)
>
>     function! AddCarRet()
>         if getline('.') !~
> '\r$'
>            
> exe "normal A\<C-V>\r\e"
>         endif
>     endfunction
>     au BufWritePre <buffer> 1,$-1call
> AddCarRet()
>
>
>
> Note that if ever you try to concatenate two files, the
> first one of which lacks a proper EOL on its last line, the
> resulting file will have the last line of the first part and
> the first line of the second part concatenated as one long
> line. Not something desirable IMHO.

I certainly don't want to be making sure ^M is at the end of each line, so I have written a command-line script to erase the last linebreak and an autocmd to call it when the 'eol' option is off. I understand the importance of having a newline at the end of the file, but in this circumstance it is more important to not change anything unless absolutely necessary.

Regards,
Peter

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