A config/nvim/plugin/fzy.vim

@@ -0,0 +1,30 @@
+let g:fzy_loaded=0
+
+function! s:completed(winid, filename, action, ...) abort
+    bdelete!
+    call win_gotoid(a:winid)
+    if filereadable(a:filename)
+      let lines = readfile(a:filename)
+      if !empty(lines)
+        exe a:action . ' ' . lines[0]
+      endif
+      call delete(a:filename)
+    endif
+endfunction
+
+function! FzyCommand(choice_command, vim_command)
+    let file = tempname()
+    let winid = win_getid()
+    let cmd = split(&shell) + split(&shellcmdflag) + [a:choice_command . ' | fzy > ' . file]
+    let F = function('s:completed', [winid, file, a:vim_command])
+    botright 10 new
+    if has('nvim')
+        call termopen(cmd, {'on_exit': F})
+    else
+        call term_start(cmd, {'exit_cb': F, 'curwin': 1})
+    endif
+    startinsert
+endfunction
+
+let g:fzy_loaded=1
+

M config/nvim/plugin/maps.vim → config/nvim/plugin/maps.vim

@@ -15,3 +15,9 @@ :command! Wqa wqa
 :command! W w
 :command! Q q
 
+" check if fzy is loaded and in PATH
+if executable('fzy') && fzy_loaded
+    nnoremap <leader>e :call FzyCommand("find . -type f", ":e")<cr>
+    nnoremap <leader>v :call FzyCommand("find . -type f", ":vs")<cr>
+    nnoremap <leader>s :call FzyCommand("find . -type f", ":sp")<cr>
+endif