Initial commit of automkdir plugin

Author: benizi

README.md

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+# vim-automkdir
+
+Automatically call mkdir -p as necessary when writing files.
+
+## Installation
+
+### With [Vundle][vundle]
+
+In vimrc:
+
+```vim
+Bundle 'benizi/vim-automkdir'
+```
+
+### With [vim-addon-manager][vam]
+
+```vim
+:InstallAddons github:benizi/vim-automkdir
+```
+
+## Usage
+
+Open a file, even if its directory doesn't exist.
+
+Save it.
+
+## Full documentation
+
+Within `vim` run:
+
+```vim
+:help automkdir
+```
+
+[vundle]: https://github.com/gmarik/vundle#readme
+[vam]: https://github.com/MarcWeber/vim-addon-manager

after/plugin/automkdir.vim

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+au BufWrite * call AutomkdirCurrent()

doc/automkdir.txt

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+*automkdir*   Autocommand to create dirs as needed
+*automkdir-plugin*
+
+Automkdir
+
+Author: Benjamin R. Haskell - benizi
+
+==============================================================================
+CONTENTS                                            *automkdir-contents* {{{1
+
+1. Contents..........................................|automkdir-contents|
+2. Use a Vim plugin manager..........................|automkdir-managers|
+3. Installation.......................................|automkdir-install|
+4. Usage................................................|automkdir-usage|
+5. Caveats............................................|automkdir-caveats|
+
+==============================================================================
+PLUGIN MANAGERS                                     *automkdir-managers* {{{1
+
+If you don't already use a Vim plugin manager, install one now.
+
+Vundle is easy:
+
+    https://github.com/gmarik/vundle#readme
+
+So is vim-addon-manager (VAM):
+
+    https://github.com/MarcWeber/vim-addon-manager
+
+==============================================================================
+INSTALLATION                                         *automkdir-install* {{{1
+
+To add this plugin with Vundle: >
+
+  Bundle 'benizi/vim-automkdir'
+<
+
+With VAM: >
+
+  :InstallAddons github:benizi/vim-automkdir
+<
+
+==============================================================================
+USAGE                                                  *automkdir-usage* {{{1
+
+It's automatic.
+
+==============================================================================
+CAVEATS                                              *automkdir-caveats* {{{1
+
+Requires a mkdir command that accepts the -p argument.  (POSIX)

plugin/automkdir.vim

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+fun! AutomkdirCurrent()
+  call AutomkdirAsNeeded(expand('%:p:h'))
+endf
+
+fun! AutomkdirAsNeeded(dir)
+  let d = a:dir
+
+  " Skip files that have schemes
+  if d =~ '^[a-z]\+:/'
+    return
+  endif
+
+  if !isdirectory(d)
+    call system('mkdir -p '.shellescape(d))
+    echom 'Created directory:' d
+  end
+endf