#!/usr/bin/env ruby

for path in ARGV
  case path
    when /\.tar\.gz$/, /\.tgz$/
      system("tar", "xvzf", path)
    when /\.tar\.bz2$/
      system("tar", "xvjf", path)
    when /\.gz$/
      system("gunzip", path)
    when /\.bz2$/
      system("bunzip2", "-k", path)
    when /\.zip$/i
      system("unzip", path)
    else
      $stderr.puts("Unknown archive format: "+path)
      exit(1)
  end
  status= $?.to_i()/256
  exit(status) if status!=0
end