ruby2.rb

#!/usr/bin/env ruby
# devilzc0de.org (c) 2012

if not ARGV.length == 2 and not ARGV.length == 1
    STDOUT.write("usage : ruby " + File.basename(__FILE__) + " [path to dir/File] [path to save File]\r\n")
    STDOUT.write("ex    : ruby " + File.basename(__FILE__) + " /etc\r\n")
    STDOUT.write("ex    : ruby " + File.basename(__FILE__) + " /etc/issue\r\n")
    STDOUT.write("ex    : ruby " + File.basename(__FILE__) + " /etc/issue issue_new_copy\r\n")
    exit
end

target = ARGV[0].gsub("\\","/")

if File.directory?("#{target}")
    if not target.end_with?("/")
        target = target + "/"
    end

    fs = ""
    Dir.foreach("#{target}").sort.each{ |x|
        if (x != ".") and (x != "..")
            if File.directory?("#{target}#{x}")
                fs = "[ DIR ]"
            elsif File.file?("#{target}#{x}")
                fs = File.size("#{target}#{x}")
            end
            print "%12s %s\r\n" % [ "#{fs}", "#{x}" ]
        end
    }
elsif File.file?("#{target}")
    if ARGV.length == 2
        src = File.open("#{target}", "rb")
        trg = File.open("#{ARGV[1]}", "wb");
        trg.write(src.read(1024*1024)) while not src.eof?
        src.close
        src = nil
        trg.close
        trg = nil
    else
        src = File.open("#{target}", "rb")
        while not src.eof?
            print src.read(1024*1024)
        end
        src.close
        src = nil
    end
else
    print "Can't found file or folder : #{target}"
end