gistfile1

function! HandleURI()
  let s:uri = matchstr(getline("."), '[a-z]*:\/\/[^ >,;:]*')
  echo s:uri
  if s:uri != ""
    exec "!open \"" . s:uri . "\""
  else
    echo "No URI found in line."
  endif
endfunction

map <Leader>w :call HandleURI()<CR>

gistfile11

function! s:HandleURI()
  let uri = matchstr(getline("."), '[a-z]*:\/\/[^ >,;:]*')
  echo uri
  if uri != ""
    exec "!open \"" . uri . "\""
  else
    echo "No URI found in line."
  endif
endfunction

nnoremap <Leader>w :<C-u>call <SID>HandleURI()<CR>

あれ、いつのまにか2個のファイルができてる。なんでだろ。