edit_plugin_setting.vim

let s:plugin_setting_dirname = expand('~/.vim/plugin_settings')

function! s:edit_plugin_setting(plugin_name)
  if !isdirectory(s:plugin_setting_dirname)
    call mkdir(s:plugin_setting_dirname)
  endif
  execute 'edit' s:plugin_setting_dirname . '/' . a:plugin_name . '.vim'
endfunction

command! -nargs=1
  \ -complete=customlist,neobundle#complete_bundles
  \ EditPluginSetting
  \ call s:edit_plugin_setting(<q-args>)

AlterCommand ps EditPluginSetting