-function! BufTabline()
- redir => bufsRaw
- silent buffers
- redir END
- let bufs = []
- for buf in split(bufsRaw, "\n")
- let buf = substitute(buf, "\"", "", "g")
- let ents = []
- for ent in split(buf, " ")
- if len(ent) == 0 | continue | endif
- let ents = add(ents, substitute(ent, "%", "%%", "g"))
- endfor
- let ents = ents[:-3]
- if len(ents) == 4 | let ents = [ents[0], ents[1] . ents[2], ents[3]] | endif
- if len(ents) == 3 | let ents = [ents[0] . ":" . ents[1], ents[2]] | endif
- let ents[0] = "%#TabLine#" . ents[0] . "%*"
- if len(ents[1]) > 20 | let ents[1] = "<" . ents[1][-19:] | endif
- if match(ents[0], "%%") == -1
- let ents[1] = "%#TabLine#:" . ents[1] . "%*"
- else
- let ents[1] = "%#TabLineSel#" . ents[1] . "%*"
- endif
- let bufs = add(bufs, join(ents[:1], ""))
- endfor
- return join(bufs, " ")
-endfunction
-
+if exists("*buftabline#do") | finish | endif
set showtabline=2
-set tabline=%!BufTabline()
+set tabline=%!buftabline#do()