Created
April 29, 2011 04:17
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Rake task to clean unused images in your iOS project
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desc 'Remove unused images' | |
task :clean_assets do | |
require 'set' | |
all = Set.new | |
used = Set.new | |
unused = Set.new | |
# White list | |
used.merge %w{Icon Icon-29 Icon-50 Icon-58 Icon-72 Icon-114} | |
regex = /\[UIImage imageNamed:@"([a-zA-Z0-9\-_]+).png"\]/ | |
Dir.glob('Classes/*.m').each do |path| | |
used.merge File.open(path).read.scan(regex).flatten | |
end | |
Dir.glob('Resources/Images/*.png').each do |path| | |
next if path.include? '@2x.png' | |
all << path.gsub(/Resources\/Images\/([a-zA-Z0-9\-_]+).png/, "\\1") | |
end | |
unused = all - used | |
unused.each do |key| | |
`rm -f Resources/Images/#{key}.png Resources/Images/#{key}@2x.png` | |
end | |
puts "#{all.length} total found" | |
puts "#{used.length} used found" | |
puts "#{unused.length} deleted" | |
end |
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