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Remove all gems EXCEPT defaults
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#!/usr/bin/env ruby | |
# Remove all gems EXCEPT defaults :) | |
`gem list -d`.split(/\n\n^(?=\w)/).each do |data| | |
match = data.match(/(?<name>([^\s]+)) \((?<versions>.*)\)/) | |
name = match[:name] | |
versions = match[:versions].split(', ') | |
if match = data.match(/^.*\(([\d\.]*),? ?default\): .*$/) | |
next if match[1].empty? # it's the only version if this match is empty | |
versions.delete(match[1] || versions[0]) | |
end | |
versions.each { |v| system "gem uninstall -Ix #{name} -v #{v}" } | |
end |
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