concatenate binary files with ruby

concatenate_binary_files.rb

# given a directory or a set of files
# concatenate the binary files
# output a single binary file

# usage:
# ruby concatenate_binary_files "/xxx/xx/*.bin" "/xxx/xx.bin"

infiles = ARGV[0]
outpath = ARGV[1]
File.open(outpath, 'wb') do |outfile|
  Dir.glob(infiles).each do |file|
    p file
    outfile.write(File.open(file, 'rb').read)
  end
end