Ruby遍历文件夹同时计算文件的md5sum
#!/usr/bin/ruby -w
#
require 'digest/md5'
if ARGV.empty?
puts "usgae: #$0 path"
exit 0
end
dir_name=ARGV.shift
def dir_md5sum(path)
md5s=Array.new
if File.directory?(path)
Dir.new(path).each do |file|
next if file =~ /^\.+$/
file="#{path}/#{file}"
if File.directory?(file)
dir_md5sum(file)
elsif File.file?(file)
md5="#{Digest::MD5.hexdigest(File.read(file))} #{file}"
md5s.push(md5)
end
end
elsif File.file?(path)
md5="#{Digest::MD5.hexdigest(File.read(path))} #{path}"
md5s.push(md5)
else
puts "Ivalid File type"
exit 2
end
md5s.each do |item|
puts item
end
end
dir_md5sum(dir_name)
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