NERDTree: Autocmd error vim

Question

I am trying to add NERDTree to my RHEL machine by appending following lines in .vimrc after placing NERD_tree.vim in plugin folder.

autocmd VimEnter * NERDTree
autocmd VimEnter * wincmd p

The problem is that I am able to run it using these commands in Mac but RHEL throws this error:

Error detected while processing VimEnter Auto commands for "*":
E492: Not an editor command: NERDTree

Can somebody help me resolve this error?

Is the plugin properly installed; i.e. does `:NERDTree` work when you type it after starting Vim (in RHEL)? — Ingo Karkat, Sep 23 '14 at 08:20
No, it gives Not an editor command. But, I used the same steps while I was doing it in mac. — Vaibhav Agarwal, Sep 23 '14 at 08:24
"appending following lines after placing .vim in plugin folder" sounds weird. — romainl, Sep 23 '14 at 08:27

score 6 · Accepted Answer · answered Sep 23 '14 at 08:30

When :NERDTree also doesn't work, that means that the plugin isn't properly installed.

To troubleshoot, check the output of :scriptnames; it must list .../plugin/NERD_tree.vim (in the location where you've put it), and verify the value of 'runtimepath', especially if you use a plugin manager (like Pathogen, Vundle, etc.)

score 0 · Answer 2 · answered Dec 27 '18 at 09:19

Possibly the package manager pathogen.vim isn't installed yet.

Run:

mkdir -p ~/.vim/autoload ~/.vim/bundle && \
curl -LSso ~/.vim/autoload/pathogen.vim https://tpo.pe/pathogen.vim

then add the following lines to .vimrc:

execute pathogen#infect()
syntax on
filetype plugin indent on

NERDTree: Autocmd error vim

2 Answers2