Created
November 30, 2009 19:59
-
-
Save bjhess/245694 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#! /usr/bin/ruby | |
# Ever update/reinstall ruby and need to bring all your old gems, | |
# including old versions to the new environment? Just output your | |
# gem list to gem_list.txt and run it through this script. | |
install_all = false | |
File.open("gem_list.txt").each do |line| | |
# coderay (0.8.273, 0.8.260, 0.7.4.215) | |
match_data = /(\w+) \((.+)\)/.match(line) | |
gem_name, versions = match_data[1], match_data[2] | |
versions = versions.split(', ') | |
versions.each do |version| | |
if !install_all | |
puts "Install #{gem_name} (v #{version}) gem? (y/n/a)" | |
response = gets | |
next if response =~ /^n/i | |
install_all = true if response =~ /^a/i | |
end | |
puts "Installing #{gem_name} (v #{version})" | |
system "sudo gem install #{gem_name} -v #{version}" | |
end | |
end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment