Clean up my quick text file journal entries into html I can slap into my blog. Put this in your ~/.vimrc file or create a vim script file that can be included in ~/.vimrc.

journal-quick-format-git-mappings

" ************* basic conversion script ******************
" the '/e' regexp flag in vim allows subsequent regexp to be
" run even if the current regexp doesn't have any hits
function! JournalBasicConversion(...)
  " isolate each code block and surround with <pre...
  :%s/^}}/ç/g
  :%s/\n{{\(\([\r\n]\+[^ç]\+.*\)\+\)\nç/\r<pre class=\"code\">\1\r<\/pre>/eg

  " create titles
  :%s/^==\+ \(.\+\)$/<h4>\1<\/h4>/eg

  " create hyperlinks
  :%s/^\[\([^\]]\+\)\]$/<a href=\"\1\" target=\"_new\">\1<\/a>/eg

  " create lines between elements
  :%s/>\n\n/>\r<br \/>\r\r/eg
endfunction

" ************* basic conversion script ******************
" select code blocks and then clean them up, individually, 
" escaping the less than character
function! JournalCleanUpCodeBlock(...)
  " puts single space between tab and less than
  " otherwise, won't render &lt; correctly in Blogger
  :s/\t</\t \&lt;/eg

  " gets rid of <br /> tags inside of code block example
  :*s/^<br \/>\n//eg

  " escapes less than, typically part of end tag
  :*s/</\&lt;/eg
endfunction

" ************* basic conversion script ******************
" same as JournalCleanUpCodeBlock, only stand-alone <br />
" tags are left included
function! JournalCleanUpCodeBlockIncludeBr(...)
  :s/\t</\t \&lt;/eg
  :*s/</\&lt;/eg
endfunction

" ************* example using macro style notation ******************
" <CR> represents an actual carriage return character (and not simply an escaped representation such as '\r')
" <CR> is rendered as '^M' on my version of MacVim
":map <C-J>,c :%s/^}}/ç/g<CR>:%s/\n{{\(\([\r\n]\+[^ç]\+.*\)\+\)\nç/\r<pre class=\"code\">\1\r<\/pre>/eg<CR>:%s/^==\+ \(.\+\)$/<h4>\1<\/h4>/eg<CR>:%s/^\[\([^\]]\+\)\]$/<a href=\"\1\" target=\"_new\">\1<\/a>/eg
:%s/>\n\n/>\r<br \/>\r\r/eg

" ************* mappings ******************
" <CR> represents an actual carriage return character (and not simply an escaped representation such as '\r')
" :vnoremap - mappings that are only available in <visual> mode
" gv - reselect the last selection
:map <C-J>,c      :call JournalBasicConversion()<CR>gv
gv
:map <C-J>,fp     /<pre class=\"code\"<CR>gv
:vnoremap <C-J>,b :call JournalCleanUpCodeBlock()<CR>gv
gv
:vnoremap <C-J>,B :call JournalCleanUpCodeBlockIncludeBr()<CR>gv
gv