How to use only tab (not space) in vim
I prefer to use tab than white space(may be a little different from most of others)
But I found, when I hit Enter at the end of line, it will add some white spaces, but not tab. So, I have to delete them and press tab.
I want to know how to set vim as:
use only tab to indent the lines a tab looks like 4-spaces, but actually is a tab when hit enter at the end of a line, the new line is started with only tabs
I've googled for this for a while, but not found a good answer. Thank you in advance
UPDATE
The answer @Alok has provided works well in most of cases. But I just found, sometimes, it depends on the file type. For example, if you are editing a haml file, and there is a haml.vim in your vimfiles/indent/, then all the tabs will be converted to space. So if you want it to be tab only, you should modify(or delete) the corresponding indent file.
$HOME/vimfiles/after/indent/haml.vim. See :help after-directory for more info.
The settings you are looking for are:
set autoindent
set noexpandtab
set tabstop=4
set shiftwidth=4
As single line:
set autoindent noexpandtab tabstop=4 shiftwidth=4
autoindent can be replaced with smartindent or cindent, depending upon your tastes. Also look at filetype plugin indent on.
http://vim.wikia.com/wiki/Indenting_source_code
Late to the discussion, just for anyone who struggled to force the use of tabs. With the current version of vim (>8) it was required to set:
:set noet ci pi sts=0 sw=4 ts=4
which expands to:
:set noexpandtab
:set copyindent
:set preserveindent
:set softtabstop=0
:set shiftwidth=4
:set tabstop=4
We can also use this setup with only specific file types, taking advantage of setlocal:
autocmd FileType c,cpp,java,python setlocal noet ci pi sts=0 sw=4 ts=4
For further reference, see: https://vim.fandom.com/wiki/Indent_with_tabs,_align_with_spaces
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.hamlfiles. In my case I use vim janus and I just add the suggested single line but it does not work forhamlfiles. Any idea?softtabstop=-1, too.:help optionbecause at least "autoindent and noexpandtab" are default options.