Experiences in building my first gem - CodeRippa ! CodeRippa is a rubygem that takes a source code folder and converts it into a beautifully themed, syntax highlighted, bookmarked PDF.

1. 0r how I built my first ruby gem

2. How do you read
<source code>
Offline? *
* you do read source code, right ?

3. Pop Quiz:
How does Rails
find_by_*
work?
I didn't bother to find out! L

4. Pop Quiz:
How is it that
CoffeeScript is written
in ... Coffeescript?
Short Answer: Boot strapping.

5. What does it do?
{code} ↦ CodeRippa ↦ {PDF}
" CodeRippa is my attempt to make source code
reading a more pleasurable experience, and help
programmers get better at their craft. " – Me.

6. Features
1 Syntax Highlighting
$ code_rippa –n
c
coffeescript
erlang
haskell
java
javascript
ruby
prolog
python
$ code_rippa –n | wc –l
143

7. Features
2 Themes!
$ code_rippa –n
blackboard
brilliance_black
cobalt
happy_happy_joy_joy_2
ir_black
made_of_code
monokai
railscasts
solarized_dark
$ code_rippa –l | wc –l
84

8. Features
3 Bookmarked PDF

9. How it works
# syntax highlighting engine
require ‘uv’
# language detection
require ‘language_sniffer’

10. Getting the goods.
# install texlive
$ gem install code_rippa

11. I I was
only creating a
Stuff I learnt along the way.

12. $ code_rippa -h
Usage: code_rippa [options] input_file_or_directory
Parses input_file or directory and outputs a file named out.tex.
Unless specified, 'Made of Code' is used as the default theme.
To see all themes, type:
code_rippa -l
Examples:
1. code_rippa path_to_file.rb (uses default theme)
2. code_rippa -t rubyblue path_to_file.rb (with theme specified)
3. code_rippa -t rubyblue path_to_dir
Then run `pdflatex -interaction=batchmode out.tex` to generate the PDF output.
Options:
-t, --theme THEME Selected theme
-n, --list-syntax List all available syntax
-l, --list-themes List all available themes
-v, --version Display version number
-h, --help Display this screen
Building a command line tool in Ruby.

13. Best looking website I've made.

14. Basic Insurance.
http://travis-ci.org/

15. Minitest!

16. Addiction.

17. DEMO

18. In the |-line
Drag source
folder !
here.!

19. In the |-line
Anyone know how to
build a LaTeX server?

20. /benjamintanweihao/code_rippa
ben @ witsvale.com