Try load xls file and get this error. There is console log:
irb(main):001:0> require 'roo'
=> true
irb(main):002:0> a = Roo::Excel.new('/home/a.xls')
LoadError: cannot load such file -- spreadsheet/note
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /var/lib/gems/1.9.1/gems/spreadsheet-0.9.2/lib/spreadsheet/excel/reader.rb:5:in `<top (required)>'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /var/lib/gems/1.9.1/gems/spreadsheet-0.9.2/lib/spreadsheet.rb:28:in `<top (required)>'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /var/lib/gems/1.9.1/gems/roo-1.12.2/lib/roo/excel.rb:1:in `<top (required)>'
from (irb):2
from /usr/bin/irb:12:in `<main>'
Please help fix this problem
Also when I try require spreadsheet I get the same error
require 'spreadsheet'
But this module was install
$ gem list | grep spreadsheet
spreadsheet (0.9.2)