A useful vimrc

.vimrc

" Use Vim settings, rather then Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
" vim: set ts=2 sw=2 et:
set nocompatible

" Install vim-plug if we don't already have it
if empty(glob('~/.vim/autoload/plug.vim'))
silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
		\ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin('~/.vim/plugged')
Plug 'tpope/vim-repeat'
Plug 'tpope/vim-surround'
Plug 'mattn/emmet-vim'
Plug 'preservim/nerdtree'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'bling/vim-airline'
Plug 'phelipetls/vim-hugo'
Plug 'hail2u/vim-css3-syntax'
Plug 'gko/vim-coloresque'
" *never used it; but useful to know?* Plug 'godlygeek/tabular'
" *no longer maintained* Plug 'scrooloose/syntastic'
" old language stuff I no longer use
" Plug 'tangledhelix/vim-kickstart'
" Plug 'pearofducks/ansible-vim'
" Plug 'kballard/vim-swift'
call plug#end()

" allow backspacing over everything in insert mode
set backspace=indent,eol,start
set nobackup        " do not keep a backup file, use versions instead
set history=50      " keep 50 lines of command line history
set ruler           " show the cursor position all the time
set showcmd         " display incomplete commands
set incsearch       " do incremental searching

" Don't use Ex mode, use Q for formatting
map Q gq

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif

if has("terminfo")
  if &term =~ "tmux"
    set termguicolors  " Enable true color support if your terminal supports it
    let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
    let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
  elseif &term =~ "screen"
    set t_Co=256
  elseif &term =~ "xtermc"
    set t_Co=256
  elseif &term =~ "xterm-256color"
    set t_Co=256
  elseif &term =~ "xterm"
    set t_Co=8
    set t_Sf=^[[3%p1%dm
    set t_Sb=^[[4%p1%dm
  else
    set t_Co=8
    set t_Sf=^[[3%dm
    set t_Sb=^[[4%dm
  endif
endif

" Tab stops at 4 characters. Expand to spaces always.
let mytab=4
execute "set ts=".mytab
execute "set shiftwidth=".mytab

" Only do this part when compiled with support for autocommands.
if has("autocmd")
  " http://www.reddit.com/r/vim/comments/2x5yav/markdown_with_fenced_code_blocks_is_great/
  au! BufRead,BufNewFile *.md     set filetype=markdown
  au! BufRead,BufNewFile *.json   set filetype=json
  let g:markdown_fenced_languages = ['css', 'erb=eruby', 'javascript', 'js=javascript', 'json=javascript', 'xml', 'html', 'yaml']

  " Enable file type detection.
  " Use the default filetype settings, so that mail gets 'tw' set to 72,
  " 'cindent' is on in C files, etc.
  " Also load indent files, to automatically do language-dependent indenting.
  filetype plugin indent on

  " Put these in an autocmd group, so that we can delete them easily.
  augroup vimrcEx
  au!

  " textwidth for various filetypes
  autocmd FileType text setlocal textwidth=78

  " YAML file editing, change tab stops
  autocmd FileType yaml setlocal ts=2 sw=2

  " When editing a file, always jump to the last known cursor position.
  " Don't do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  autocmd BufReadPost *
    \ if line("'\"") > 0 && line("'\"") <= line("$") |
    \   exe "normal g`\"" |
    \ endif

  augroup END

  " templates
  autocmd BufNewFile * silent! 0r $HOME/vim/%:e.tpl

else

  set autoindent        " always set autoindenting on

endif " has("autocmd")

" The ultimate reference - https://vim.wikia.com/wiki/Best_Vim_Tips
"
" Perl compiling stuff. Groovy.
set makeprg=$VIMRUNTIME/tools/efm_perl.pl\ -c\ %\ $*
set errorformat=%f:%l:%m
map <F10> :mak<CR>

" When using CTRL-W_ only status lines will show for minimised windows.
set winminheight=0

set expandtab

" Smart searching - overrides ic when caps are used in search pattern
set ic
set smartcase

" status line, only if >1 window. 2=always
set laststatus=2

set bg=dark

" completion
set wildmenu
set wildmode=list:longest,full

" shift-Y yanks to EOL, not whole line
map Y y$

" matchit
source $VIMRUNTIME/macros/matchit.vim

" windows only
" let g:netrw_scp_cmd='c:\apps\pscp.exe -q -batch -agent -l USERID'
" let g:netrw_ssh_cmd='c:\apps\plink.exe'

if has('perl')
    command! ReverseWord call ReverseWord()
    function! ReverseWord()
    perl << EOF
        $curword  = VIM::Eval('expand("<cword>")');
        $reversed = reverse($curword);
        VIM::Msg("$curword => $reversed");
        VIM::DoCommand("norm lbcw$reversed");
EOF
    endfun
    nmap <Leader>r :ReverseWord<CR>
endif

function! TitleCase()
    let l:save_cursor = getcurpos()
    s/\v<(.)(\w*)/\u\1\L\2/g
    call setpos('.', l:save_cursor)
endfunction

" default Leader is \
nn <Leader>ev :sp $MYVIMRC<cr>
nn <Leader>rv :so $MYVIMRC<cr>
nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-t> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>

" vim-markdown
set nofoldenable

" lines to read for vim settings
set modelines=5

" if syntastic was installed
" set statusline+=%#warningmsg#
" set statusline+=%{SyntasticStatuslineFlag()}
" set statusline+=%*
" let g:syntastic_always_populate_loc_list = 1
" let g:syntastic_auto_loc_list = 1
" let g:syntastic_check_on_open = 1
" let g:syntastic_check_on_wq = 0