ruby can't see a file

irb.rb

1.9.3-p551 :010 > foo = "/var/lib/jenkins/jobs/'Create a Security Group'/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json"
 => "/var/lib/jenkins/jobs/'Create a Security Group'/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json"
1.9.3-p551 :011 > File.open(foo, "r") do |t|
1.9.3-p551 :012 >     p t
1.9.3-p551 :013?>   end
Errno::ENOENT: No such file or directory - /var/lib/jenkins/jobs/'Create a Security Group'/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json
	from (irb):11:in `initialize'
	from (irb):11:in `open'
	from (irb):11
	from /usr/local/rvm/rubies/ruby-1.9.3-p551/bin/irb:12:in `<main>'
1.9.3-p551 :014 > foo = "/var/lib/jenkins/jobs/\"Create a Security Group\"/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json"
 => "/var/lib/jenkins/jobs/\"Create a Security Group\"/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json"
1.9.3-p551 :015 > File.open(foo, "r") do |t|
1.9.3-p551 :016 >     p t
1.9.3-p551 :017?>   end
Errno::ENOENT: No such file or directory - /var/lib/jenkins/jobs/"Create a Security Group"/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json
	from (irb):15:in `initialize'
	from (irb):15:in `open'
	from (irb):15
	from /usr/local/rvm/rubies/ruby-1.9.3-p551/bin/irb:12:in `<main>'
1.9.3-p551 :018 > `ls #{foo}`
 => "/var/lib/jenkins/jobs/Create a Security Group/workspace/corpit-cloudformation-vm-provisioning/environments/cit_production/int/cit-p-wbap_sg.json\n"