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rochefort/create_gem_install.rb

Created September 17, 2011 15:21
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creat gem install script from gem list
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create_gem_install.rb
re = /(.*)\s\((.*)\)/
list=`gem list`
# install
list.each_line{|line| _,gem,versions=line.match(re).to_a; versions.split(', ').each{|ver| puts "gem install #{gem} -v=#{ver}"}}
# uninstall
list.each_line{|line| _,gem,_=line.match(re).to_a;puts "gem uninstall -a -I -x #{gem}"}
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