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Re: syntax highlighting under vim

From: Ozzy Lash
Subject: Re: syntax highlighting under vim
Date: Thu, 19 Apr 2007 15:09:37 -0500

On 4/19/07, Kamaraju S Kusumanchi <address@hidden > wrote:
Paul Laub wrote:

> (In my experience, this script by Soren Hauberg works well.)

I am currently making this script work. Even after I do what the above
website says, the filetype is detected as conf and not as octave. If I open
the file and then do

:set ft=octave

then the syntax highlighting works fine.

Any ideas?

Looking at the filetype.vim file for vim 7.0 on debian, it looks like there is a function that is run to try to determine the type of a file ending in .m.  The check looks like this:

" Matlab or Objective C
au BufNewFile,BufRead *.m                       call s:FTm()

fun! s:FTm()
  let n = 1
  while n < 10
    let line = getline(n)
    if line =~ '^\s*\(#\s*\(include\|import\)\>\|/\*\)'
      setf objc
    if line =~ '^\s*%'
      setf matlab
    if line =~ '^\s*(\*'
      setf mma
    let n = n + 1
  if exists("g:filetype_m")
    exe "setf " . g:filetype_m
    setf matlab

So if in the first 10 lines it finds a line beginning in "#include" or "#import" it will assume it is an objc file.  If in the first 10 lines if finds a line beginning in "%" it will assume it is matlab, if it finds a line starting in "(*" it will assume mma.  If none of those matches, if you have created a filetype_m variable in you .vimrc or other initialization file, it will use that, otherwize it assumes matlab.

Assuming this was something that came with vim and isn't a debian modification, once you have put the octave.vim file in /usr/share/vim/vim70/syntax, you should be able to add the following line to .vimrc

let filetype_m = 'octave'

before syntax on.

And as long as you don't use any of the above in the first 10 lines, it should use the octave highlighting.

I am not sure why you are seeing a "conf" file type, especially since you were seeing the file detected as matlab before.


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