Open ods, xls, xlsx files in ruby by using ‘roo’

Install ‘roo’ gem
$ sudo gem install ‘roo’
take the ruby console
$ irb
for example take an xlxs file and try to open

ruby-1.9.2-p290 :003 > require ‘roo’
if you get an error like
/home/prescience-toshiba/.rvm/gems/ruby-1.9.2-p290@rails31rc/gems/roo-1.10.0/lib/roo.rb:6: warning: already initialized constant VERSION
/home/prescience-toshiba/.rvm/gems/ruby-1.9.2-p290@rails31rc/gems/roo-1.10.0/lib/roo.rb:7: warning: already initialized constant LIBPATH
/home/prescience-toshiba/.rvm/gems/ruby-1.9.2-p290@rails31rc/gems/roo-1.10.0/lib/roo.rb:8: warning: already initialized constant PATH
LoadError: no such file to load — zip/zipfilesystem
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require’
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require’
from /home/prescience-toshiba/.rvm/gems/ruby-1.9.2-p290@rails31rc/gems/roo-1.10.0/lib/roo/openoffice.rb:3:in `’
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require’
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require’
from /home/prescience-toshiba/.rvm/gems/ruby-1.9.2-p290@rails31rc/gems/roo-1.10.0/lib/roo.rb:71:in `’
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require’
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require’
from (irb):3
from /home/prescience-toshiba/.rvm/rubies/ruby-1.9.2-p290/bin/irb:16:in `’
ruby-1.9.2-p290 :004 >

Then install the ‘rubyzip2’ gem

$ gem install rubyzip2

and open the file
ruby-1.9.2-p290 :003 > file = Excelx.new(“/home/prescience-toshiba/Documents/abhilash.raw.xlsx”)

output:
=> {[1, 1]=>”Name”, [1, 2]=>”Email Id”, [1, 3]=>”Alternate Number”, [1, 4]=>”Date of Birth”, [1, 5]=>”Mobile No.”, [1, 6]=>”Functional Area”, [1, 7]=>”Area of Specialization”, [1, 8]=>”Industry”, [1, 9]=>”Resume Title”, [1, 10]=>”Key Skills”, [1, 11]=>”Work Experience”, [1, 12]=>”Current Employer”, [1, 13]=>”Previous Employer”, [1, 14]=>”Current Salary”, [1, 15]=>”Level”, [1, 16]=>”Current Location”, [1, 17]=>”Preferred Location”, [1, 18]=>”Course(Highest Education)”, [1, 19]=>”Name”, [1, 20]=>”Email Id”, [1, 21]=>”Alternate Number”, [1, 22]=>”Date of Birth”, [1, 23]=>”Mobile No.”, [1, 24]=>”Functional Area”, [1, 25]=>”Area of Specialization”, [1, 26]=>”Industry”, [1, 27]=>”Resume Title”, [1, 28]=>”Key Skills”, [1, 29]=>”Work Experience”, [1, 30]=>”Current Employer”, [2, 1]=>”Rahel Robert”, [2, 2]=>”rtrobert@yahoo.com”, [……………………..