Sha256: a5ead6187297b9a06a577eb53ee455ae6e13b56186d10a92ccc1e76cfb3d409c
Contents?: true
Size: 1.63 KB
Versions: 21
Compression:
Stored size: 1.63 KB
Contents
require 'openssl'
module Antrapol
module ToolRack
module FileUtils
include Antrapol::ToolRack::DataConversionUtils
class FileUtilsError < StandardError; end
module ClassMethods
def is_same?(*args, &block)
opts = { verbose: false }
if args.last.is_a?(Hash)
opts.merge!(args.last)
target = args[0..-2]
else
target = args
end
raise FileUtilsError, "is_same? requires at least 2 files" if target.length < 2
res = true
size = nil
target.each do |f|
raise FileUtilsError, "Given file #{f} to is_same? does not exist" if not File.exist?(f)
if size.nil?
size = File.size(f)
elsif File.size(f) != size
res = false
break
end
end
if res
prevDigRes = nil
target.each do |f|
dig = OpenSSL::Digest.new("SHA256")
bufSize = 2048*1000
File.open(f,"rb") do |f|
dig.update(f.read(bufSize))
end
digRes = dig.digest
STDOUT.puts "#{f} : #{to_hex(digRes)}" if opts[:verbose]
if prevDigRes.nil?
prevDigRes = digRes
elsif prevDigRes != digRes
res = false
break
end
end
end
res
end
end
def self.included(klass)
File.class_eval <<-END
extend Antrapol::ToolRack::FileUtils::ClassMethods
END
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems