From: Armin Roehrl <armin@...>
Date: 2001-12-09T08:30:52+09:00
Subject: [ruby-talk:27983] Re: Displaying Ruby code in LaTeX

On Sunday 09 December 2001 00:26, Sean Chittenden wrote:
> > Has anyone written a document in LaTeX that includes examples of Ruby
> > code?
>
> Yup.
>
> > I'm having all sorts of problems, because Ruby uses many characters
> > that mean something to LaTeX.  I tried to escape everything that was
> > conflicting, but it's becoming a nightmare.
>
> Yeah, it's a tad annoying.  What I'll typically do is write my chunk
> of ruby, then use a query replace in emacs to change the $'s, &'s,
> %'s, #'s, _'s, and {}'s to their respective escaped character.
>
> $ = \$
> & = \&
> % = \%
> # = \#
> _ = \_
> { = \{
> } = \}
>
> > I even tried the verbatim environment, but that seems to screw up
> > the indentation in a lot of cases.
>
> Ugh... not so nice.
>
> > So, can anyone give me an example of doing this, or suggest how I
> > might attack it?
>
> Write a section of ruby, then escape a section of ruby.  You could try
> using the LyX program though which is pretty sweet and does most of
> this for you.  -sc
Why don't you use
\begin{verbatim}
line1
line2
\end{verbatim}

or \verb+Ruby.new+ for shorter bits.
if a + would appear in your Ruby-code, you can use any other 2 start
and stop chars for \verb. e.g.: \verb-2+2-

-- 
Armin.

-----------------------------------------------
Armin Roehrl, http://www.approximity.com