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$ rails console -h
Usage: console [environment] [options]
    -s, --sandbox                    Rollback database modifications on exit.
        --debugger                   Enable ruby-debugging for the console.
        --irb                        DEPRECATED: Invoke `/your/choice/of/ruby script/rails console` instead

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#!/bin/bash

# MySQL connection
user_name="your_user_name"
db_name="your_db_name"

# Return the result of the query to a variable
result=$(mysql -u $user_name $db_name -sN -e "SELECT 1")

# print message on screen

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.container {
  clear: both;
  float: left;
  width: 100%;
  overflow: hidden;
}

#menu {
  padding: 0;
  list-style-type: none;

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# Alternate CSS classes for even and odd numbers...
@items = [1,2,3,4]
<table>
<% @items.each do |item| %>
  <tr class="<%= cycle("odd", "even") -%>">
    <td>item</td>
  </tr>
<% end %>
</table>

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<h2>#<%= post_counter + 1 %> <%= post.title %></h2>

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<%= render :partial => @posts, :spacer_template => "post_ruler" %>

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tar cvf images.tar *.jpg

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ruby > 1
=> 1
ruby > _ + 1
=> 2
ruby > _ + 1
=> 3

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RAILS_ENV=production rake db:migrate

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=begin
Anything between these two tokens
is ignored by the Ruby interpreter.
=end