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66 lines
1.4 KiB
Ruby
66 lines
1.4 KiB
Ruby
#!/usr/bin/env ruby
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# Find
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# unused
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# directories
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# by
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# looking
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# at
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# the
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# atimes
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# of
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# the
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# contained
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# files.
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#
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require 'optparse'
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options = {}
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options[:days] = 180
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def used_recently?(path, days)
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if File.directory?(path)
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used_recently = false
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empty = true
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Dir.new(path).each do |entry|
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if entry != "." && entry != ".."
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empty = false
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if used_recently?("#{path}/#{entry}", days)
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used_recently = true
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end
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end
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end
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if !used_recently && !empty
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puts "unused: #{path}"
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end
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return used_recently
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elsif File.file?(path) || File.socket?(path) || File.symlink?(path)
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return (File.lstat(path).atime >= Time.now() - (days * 24 * 3600))
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else
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puts "Unknown file type: #{path}"
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exit 1
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end
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end
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# Parse options
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OptionParser.new do |opts|
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opts.banner = "Usage: #{$0} [options] DIRECTORY..."
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opts.separator ""
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opts.separator "Find unused (sub-)directories, recursively traversing DIRECTORY, by looking at the atime(s) of all contained files. A directory is considered unused if ALL of the contained files weren't accessed for DAYS days (default is 180 days.)"
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opts.separator ""
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opts.on("-d", "--days DAYS", Integer,
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"Days after a file is considered unused") do |d|
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options[:days] = d
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end
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end.parse!
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dirs = ARGV
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if dirs.length == 0
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dirs = "."
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end
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dirs.each do |dir|
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used_recently?(dir, options[:days])
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end
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