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.vimrc
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" URL: http://vim.wikia.com/wiki/Example_vimrc
" Authors: http://vim.wikia.com/wiki/Vim_on_Freenode
" Description: A minimal, but feature rich, example .vimrc. If you are a
" newbie, basing your first .vimrc on this file is a good choice.
" If you're a more advanced user, building your own .vimrc based
" on this file is still a good idea.
"------------------------------------------------------------
" Features {{{1
"
" These options and commands enable some very useful features in Vim, that
" no user should have to live without.
" Set 'nocompatible' to ward off unexpected things that your distro might
" have made, as well as sanely reset options when re-sourcing .vimrc
set nocompatible
" Attempt to determine the type of a file based on its name and possibly its
" contents. Use this to allow intelligent auto-indenting for each filetype,
" and for plugins that are filetype specific.
filetype indent plugin on
" Enable syntax highlighting
syntax on
"------------------------------------------------------------
" Must have options {{{1
"
" These are highly recommended options.
" Vim with default settings does not allow easy switching between multiple files
" in the same editor window. Users can use multiple split windows or multiple
" tab pages to edit multiple files, but it is still best to enable an option to
" allow easier switching between files.
"
" One such option is the 'hidden' option, which allows you to re-use the same
" window and switch from an unsaved buffer without saving it first. Also allows
" you to keep an undo history for multiple files when re-using the same window
" in this way. Note that using persistent undo also lets you undo in multiple
" files even in the same window, but is less efficient and is actually designed
" for keeping undo history after closing Vim entirely. Vim will complain if you
" try to quit without saving, and swap files will keep you safe if your computer
" crashes.
set hidden
" Note that not everyone likes working this way (with the hidden option).
" Alternatives include using tabs or split windows instead of re-using the same
" window as mentioned above, and/or either of the following options:
" set confirm
" set autowriteall
" Better command-line completion
set wildmenu
" Show partial commands in the last line of the screen
set showcmd
" Highlight searches (use <C-L> to temporarily turn off highlighting; see the
" mapping of <C-L> below)
set hlsearch
" Modelines have historically been a source of security vulnerabilities. As
" such, it may be a good idea to disable them and use the securemodelines
" script, <http://www.vim.org/scripts/script.php?script_id=1876>.
" set nomodeline
"------------------------------------------------------------
" Usability options {{{1
"
" These are options that users frequently set in their .vimrc. Some of them
" change Vim's behaviour in ways which deviate from the true Vi way, but
" which are considered to add usability. Which, if any, of these options to
" use is very much a personal preference, but they are harmless.
" Use case insensitive search, except when using capital letters
set ignorecase
set smartcase
" Allow backspacing over autoindent, line breaks and start of insert action
set backspace=indent,eol,start
" When opening a new line and no filetype-specific indenting is enabled, keep
" the same indent as the line you're currently on. Useful for READMEs, etc.
set autoindent
" Stop certain movements from always going to the first character of a line.
" While this behaviour deviates from that of Vi, it does what most users
" coming from other editors would expect.
set nostartofline
" Display the cursor position on the last line of the screen or in the status
" line of a window
set ruler
" Always display the status line, even if only one window is displayed
set laststatus=2
" Instead of failing a command because of unsaved changes, instead raise a
" dialogue asking if you wish to save changed files.
set confirm
" Use visual bell instead of beeping when doing something wrong
set visualbell
" And reset the terminal code for the visual bell. If visualbell is set, and
" this line is also included, vim will neither flash nor beep. If visualbell
" is unset, this does nothing.
set t_vb=
" Enable use of the mouse for all modes
" set mouse=a
" Set the command window height to 2 lines, to avoid many cases of having to
" press <Enter> to continue
set cmdheight=2
" Display line numbers on the left
set number
" Quickly time out on keycodes, but never time out on mappings
set notimeout ttimeout ttimeoutlen=200
" Use <F11> to toggle between 'paste' and 'nopaste'
set pastetoggle=<F11>
"------------------------------------------------------------
" Indentation options {{{1
"
" Indentation settings according to personal preference.
" Indentation settings for using 4 spaces instead of tabs.
" Do not change 'tabstop' from its default value of 8 with this setup.
set shiftwidth=2
set softtabstop=2
set expandtab
" Indentation settings for using hard tabs for indent. Display tabs as
" four characters wide.
set shiftwidth=2
set tabstop=2
"------------------------------------------------------------
" Mappings {{{1
"
" Useful mappings
" Map Y to act like D and C, i.e. to yank until EOL, rather than act as yy,
" which is the default
map Y y$
" Map <C-L> (redraw screen) to also turn off search highlighting until the
" next search
nnoremap <C-L> :nohl<CR><C-L>
"------------------------------------------------------------
" Relative line numbers
set relativenumber
" Type F3 to write date. Added on 2019-07-01 Mon 03:23 PM
nmap <F3> i<C-R>=strftime("%Y-%m-%d %a %I:%M %p")<CR><Esc>
imap <F3> <C-R>=strftime("%Y-%m-%d %a %I:%M %p")<CR>
" Show $ sign at end of each line
set list
" esc in insert mode
inoremap kj <esc>
inoremap jk <esc>
inoremap Kj <C-C>
inoremap jK <C-C>
inoremap kJ <C-C>
inoremap Jk <C-C>
inoremap KJ <C-C>
inoremap JK <C-C>
" esc in command mode
cnoremap kj <C-C>
cnoremap jk <C-C>
cnoremap Kj <C-C>
cnoremap jK <C-C>
cnoremap kJ <C-C>
cnoremap Jk <C-C>
cnoremap KJ <C-C>
cnoremap JK <C-C>
" Use clipboard as default register
if system('uname -s') == "Darwin\n"
set clipboard=unnamed "OSX
elseif system('uname -s') == "MINGW64_NT-10.0-22000\n"
set clipboard=unnamed "Windows
else
set clipboard=unnamedplus "Linux
endif
" Shortcut to use blackhole register by default
nnoremap d "_d
vnoremap d "_d
nnoremap D "_D
vnoremap D "_D
nnoremap c "_c
vnoremap c "_c
nnoremap C "_C
vnoremap C "_C
nnoremap x "_x
vnoremap x "_x
nnoremap X "_X
vnoremap X "_X
" Change <leader> to be comma
let mapleader = ","
let g:mapleader = ","
" Shortcut to use clipboard with <leader>
nnoremap <leader>d d
vnoremap <leader>d d
nnoremap <leader>D D
vnoremap <leader>D D
nnoremap <leader>c c
vnoremap <leader>c c
nnoremap <leader>C C
vnoremap <leader>C C
nnoremap <leader>x x
vnoremap <leader>x x
nnoremap <leader>X X
vnoremap <leader>X X
" Delete and paste in one click
map R diwP
" Save register to clipboard even after vim session is closed. Requires
" install of xsel. Eg. `sudo apt-get install xsel`
autocmd VimLeave * call system("echo -n $'" . escape(getreg(), "'") . "' | xsel -ib")
" Add blank lines with enter in command mode
map <Enter> o<ESC>