mirror of
https://github.com/preservim/nerdtree.git
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97 lines
3.0 KiB
Markdown
97 lines
3.0 KiB
Markdown
The NERDTree
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=============
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Introduction
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------------
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The NERDTree is a file system explorer for the Vim editor. Using this plugin,
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users can visually browse complex directory hierarchies, quickly open files for
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reading or editing, and perform basic file system operations.
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This plugin can also be extended with custom mappings using a special API. The
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details of this API and of other NERDTree features are described in the
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included documentation.
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Installation
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------------
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#### [pathogen.vim](https://github.com/tpope/vim-pathogen)
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git clone https://github.com/scrooloose/nerdtree.git ~/.vim/bundle/nerdtree
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Then reload Vim, run `:helptags ~/.vim/bundle/nerdtree/doc/` or `:Helptags`, and check out `:help NERDTree.txt`.
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#### [apt-vim](https://github.com/egalpin/apt-vim)
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apt-vim install -y https://github.com/scrooloose/nerdtree.git
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F.A.Q.
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------
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> Is there any support for `git` flags?
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Yes, install [nerdtree-git-plugin](https://github.com/Xuyuanp/nerdtree-git-plugin).
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---
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> Can I have the nerdtree on every tab automatically?
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Nope. If this is something you want then chances are you aren't using tabs and
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buffers as they were intended to be used. Read this
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http://stackoverflow.com/questions/102384/using-vims-tabs-like-buffers
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If you are interested in this behaviour then consider [vim-nerdtree-tabs](https://github.com/jistr/vim-nerdtree-tabs)
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---
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> How can I open a NERDTree automatically when vim starts up?
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Stick this in your vimrc: `autocmd vimenter * NERDTree`
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---
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> How can I open a NERDTree automatically when vim starts up if no files were specified?
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Stick this in your vimrc:
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autocmd StdinReadPre * let s:std_in=1
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autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
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Note: Now start vim with plain `vim`, not `vim .`
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---
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> How can I open NERDTree automatically when vim starts up on opening a directory?
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autocmd StdinReadPre * let s:std_in=1
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autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif
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This window is tab-specific, meaning it's used by all windows in the tab. This trick also prevents NERDTree from hiding when first selecting a file.
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---
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> How can I map a specific key or shortcut to open NERDTree?
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Stick this in your vimrc to open NERDTree with `Ctrl+n` (you can set whatever key you want):
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map <C-n> :NERDTreeToggle<CR>
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---
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> How can I close vim if the only window left open is a NERDTree?
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Stick this in your vimrc:
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autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
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---
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> Can I have different highlighting for different file extensions?
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See here: https://github.com/scrooloose/nerdtree/issues/433#issuecomment-92590696
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---
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> How can I change default arrows?
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Use these variables in your vimrc. Note that below are default arrow symbols
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let g:NERDTreeDirArrowExpandable = '▸'
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let g:NERDTreeDirArrowCollapsible = '▾'
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