if exists("did_pager") | finish | endif
let did_pager = 1

set cmdheight=1
set scrolloff=0

let $PAGER=''

" turn on AnsiEsc
"AnsiEsc
"set nowrap

" pager, not editor
au VimEnter * set nomod
set nomodifiable

" disables trailing whitespace highlighting in pager
"call matchdelete(trailingHL)

" no swap needed
set noswapfile

" generic serching
set ignorecase
set hlsearch
set incsearch
set wrapscan
nohlsearch

"set nolist
set laststatus=0

" Don't remember file names and positions
" viminfo file set in script via -i param as macro is run after it is already
" read from default location (setting here writes but doesn't read)
set viminfo='10,<50

" Inhibit screen updates while searching
set lazyredraw

" When reading from stdin don't consider the file modified.
au VimEnter * set nomod

noremap e :! vim %<CR>

" Scroll one line up/down
noremap k <C-Y>
noremap j <C-E>

" backspace scrolls up one line - mutt habit
noremap <BS> <C-Y>

" Scroll one page forward
noremap <script> <Space> <C-F>
map f <Space>
fun! s:NextPage()
  if line(".") == line("$")
    if argidx() + 1 >= argc()
      quit
    endif
    next
    1
  else
    exe "normal! \<C-F>"
  endif
endfun

" Scroll one page backward
"noremap <script> b <C-B>

" Quitting
noremap q :qa!<CR>

" If not reading from stdin, skip files that can't be read.
" Exit if there is no file at all.
if argc() > 0
  let s:i = 0
  while 1
    if filereadable(argv(s:i))
      if s:i != 0
	sleep 3
      endif
      break
    endif
    if isdirectory(argv(s:i))
      echomsg "Skipping directory " . argv(s:i)
    elseif getftime(argv(s:i)) < 0
      echomsg "Skipping non-existing file " . argv(s:i)
    else
      echomsg "Skipping unreadable file " . argv(s:i)
    endif
    echo "\n"
    let s:i = s:i + 1
    if s:i == argc()
      quit
    endif
    next
  endwhile
endif
" Alternative to the above placed in the calling script.
"    exec $view -c 'runtime macros/pager.vim' \
"        --cmd "au BufNewFile * cq" "$@"