RubyでExcel(xlsx)を読み込む
以下rooのサイト
http://roo.rubyforge.org/
Get Versionをクリックしても....
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GitHub
GitHub - roo-rb/roo: Roo provides an interface to spreadsheets of several sorts.
RubyGems
roo | RubyGems.org | your community gem host
Installation
# Run the following if you haven't done so before:
gem sources -a http://gems.github.com/# Install the gem:
sudo gem install roo