VimL: Checking if function exists

Question

right now I\'m cleaning up my .vimrc file to make sure it\'s compatible on most systems.

In my statusline I use a function that another plugin sets, the

Answer 1

The currently selected answer doesn't work for me (using Vim 7.4 / Ubuntu). I believe that's because:

.vimrc is sourced before any plugins are loaded

As @ZyX noted this in a comment.

My preferred method is just to check for the existence of the plugin file. I find this cleaner than writing a separate function in an external file.

if !empty(glob("path/to/plugin.vim"))
   echo "File exists."
endif