According to the nerdtree install directions, I needed to install pathogen.vim to install nerdtree. To install pathogen.vim, I followed the pathogen install instructions, and I did this:
~$ mkdir -p ~/.vim/autoload ~/.vim/bundle; \
> curl -so ~/.vim/autoload/pathogen.vim \
> <link to github>
That created pathogen.vim here:
~/.vim/autoload$ ls
pathogen.vim … … …
Then I followed the pathogen install instruction:
Add this to your vimrc:
call pathogen#infect()
==
~$ cat .vimrc
…
…
"For pathogen(a vim installer):
call pathogen#infect()
Then following the nerdtree install instructions:
pathogen.vim is the recommended way to install nerdtree.
cd ~/.vim/bundle
git clone <link to github>
Then reload vim, run :helptags, and check out :help NERD_tree.txt.
I tried to install nerdtree like this:
~/.vim/bundle$ git clone <link to github>
Cloning into 'nerdtree'...
remote: Counting objects: 2426, done.
remote: Compressing objects: 100% (801/801), done.
remote: Total 2426 (delta 1091), reused 2354 (delta 1025)
Receiving objects: 100% (2426/2426), 912.52 KiB | 573 KiB/s, done.
Resolving deltas: 100% (1091/1091), done.
$
Which produced:
~/.vim$ cd bundle
~/.vim/bundle$ ls
nerdtree
But I can't get nerdtree to work. When I try this:
~$ cd rails_projects/demo_app22/
~/rails_projects/demo_app22$ mvim .
~/rails_projects/demo_app22$
...and then this:
:NERDtree
I get the error:
E492: Not an editor command: NERDtree
And when I try :helptags, I get the error:
E472: Argument required
