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一个删除旧文件的函数,通常用于删除较老的log文件。
module FileUtils2
ONE_DAY_SECONDS = 60*60*24 # remove the old files, return the number of files that removed. def remove_old_files(dir_path, days_ago) count = 0 dir_path2 = dir_path + File::ALT_SEPARATOR unless dir_path.end_with?(File::ALT_SEPARATOR) d = Dir.new dir_path2 now = Time.now d.each {|filename| next if filename == '.' or filename == '..' file_path = dir_path2 + filename next if File.directory?(file_path) f = File.new(file_path) diff = now.to_i - f.mtime.to_i f.close day = diff/ONE_DAY_SECONDS next if day <= days_ago File.delete(file_path) puts "Delete: #{file_path}." count += 1 } return count end end
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