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?? English.rb(5.59 KB)
?? abbrev.rb(2.57 KB)
?? base64.rb(2.63 KB)
?? benchmark.rb(18 KB)
?? cgi
?? cgi.rb(9.3 KB)
?? cmath.rb(7.22 KB)
?? complex.rb(380 B)
?? csv.rb(82.66 KB)
?? date
?? date.rb(946 B)
?? debug.rb(23.23 KB)
?? delegate.rb(9.74 KB)
?? digest
?? digest.rb(2.24 KB)
?? dl
?? dl.rb(176 B)
?? drb
?? drb.rb(19 B)
?? e2mmap.rb(3.8 KB)
?? erb.rb(25.72 KB)
?? expect.rb(1.33 KB)
?? fiddle
?? fiddle.rb(928 B)
?? fileutils.rb(45.32 KB)
?? find.rb(2.03 KB)
?? forwardable.rb(7.64 KB)
?? getoptlong.rb(15.38 KB)
?? gserver.rb(8.83 KB)
?? ipaddr.rb(24.92 KB)
?? irb
?? irb.rb(8.34 KB)
?? json
?? json.rb(1.74 KB)
?? kconv.rb(5.74 KB)
?? logger.rb(20.85 KB)
?? mathn.rb(6.52 KB)
?? matrix
?? matrix.rb(47.65 KB)
?? mkmf.rb(68.9 KB)
?? monitor.rb(6.94 KB)
?? mutex_m.rb(1.61 KB)
?? net
?? observer.rb(5.69 KB)
?? open-uri.rb(25.84 KB)
?? open3.rb(20.64 KB)
?? openssl
?? openssl.rb(547 B)
?? optparse
?? optparse.rb(51.13 KB)
?? ostruct.rb(6.49 KB)
?? pathname.rb(14.21 KB)
?? pp.rb(13.31 KB)
?? prettyprint.rb(9.63 KB)
?? prime.rb(13.98 KB)
?? profile.rb(205 B)
?? profiler.rb(1.59 KB)
?? pstore.rb(15.81 KB)
?? psych
?? psych.rb(9.82 KB)
?? racc
?? rake
?? rake.rb(2.02 KB)
?? rational.rb(308 B)
?? rbconfig
?? rdoc
?? rdoc.rb(4.29 KB)
?? resolv-replace.rb(1.74 KB)
?? resolv.rb(59.91 KB)
?? rexml
?? rinda
?? ripper
?? ripper.rb(91 B)
?? rss
?? rss.rb(2.84 KB)
?? rubygems
?? rubygems.rb(34.13 KB)
?? scanf.rb(23.53 KB)
?? securerandom.rb(8.46 KB)
?? set.rb(29.91 KB)
?? shell
?? shell.rb(5.9 KB)
?? shellwords.rb(3.88 KB)
?? singleton.rb(4.02 KB)
?? socket.rb(23.22 KB)
?? syck
?? syck.rb(13.91 KB)
?? sync.rb(6.87 KB)
?? tempfile.rb(10.42 KB)
?? test
?? thread.rb(6.59 KB)
?? thwait.rb(3.38 KB)
?? time.rb(17.03 KB)
?? timeout.rb(3.26 KB)
?? tmpdir.rb(3.72 KB)
?? tracer.rb(6.63 KB)
?? tsort.rb(6.79 KB)
?? ubygems.rb(268 B)
?? un.rb(8.32 KB)
?? uri
?? uri.rb(3.07 KB)
?? weakref.rb(2.29 KB)
?? webrick
?? webrick.rb(6.8 KB)
?? x86_64-linux
?? xmlrpc
?? yaml
?? yaml.rb(2.58 KB)

Editing: un.rb

#
# = un.rb
#
# Copyright (c) 2003 WATANABE Hirofumi <eban@ruby-lang.org>
#
# This program is free software.
# You can distribute/modify this program under the same terms of Ruby.
#
# == Utilities to replace common UNIX commands in Makefiles etc
#
# == SYNOPSIS
#
#   ruby -run -e cp -- [OPTION] SOURCE DEST
#   ruby -run -e ln -- [OPTION] TARGET LINK_NAME
#   ruby -run -e mv -- [OPTION] SOURCE DEST
#   ruby -run -e rm -- [OPTION] FILE
#   ruby -run -e mkdir -- [OPTION] DIRS
#   ruby -run -e rmdir -- [OPTION] DIRS
#   ruby -run -e install -- [OPTION] SOURCE DEST
#   ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE
#   ruby -run -e touch -- [OPTION] FILE
#   ruby -run -e wait_writable -- [OPTION] FILE
#   ruby -run -e mkmf -- [OPTION] EXTNAME [OPTION]
#   ruby -run -e httpd -- [OPTION] DocumentRoot
#   ruby -run -e help [COMMAND]

require "fileutils"
require "optparse"

module FileUtils
#  @fileutils_label = ""
  @fileutils_output = $stdout
end

def setup(options = "", *long_options)
  opt_hash = {}
  argv = []
  OptionParser.new do |o|
    options.scan(/.:?/) do |s|
      opt_name = s.delete(":").intern
      o.on("-" + s.tr(":", " ")) do |val|
        opt_hash[opt_name] = val
      end
    end
    long_options.each do |s|
      opt_name, arg_name = s.split(/(?=[\s=])/, 2)
      opt_name.sub!(/\A--/, '')
      s = "--#{opt_name.gsub(/([A-Z]+|[a-z])([A-Z])/, '\1-\2').downcase}#{arg_name}"
      puts "#{opt_name}=>#{s}" if $DEBUG
      opt_name = opt_name.intern
      o.on(s) do |val|
        opt_hash[opt_name] = val
      end
    end
    o.on("-v") do opt_hash[:verbose] = true end
    o.order!(ARGV) do |x|
      if /[*?\[{]/ =~ x
        argv.concat(Dir[x])
      else
        argv << x
      end
    end
  end
  yield argv, opt_hash
end

##
# Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY
#
#   ruby -run -e cp -- [OPTION] SOURCE DEST
#
#   -p          preserve file attributes if possible
#   -r          copy recursively
#   -v          verbose
#

def cp
  setup("pr") do |argv, options|
    cmd = "cp"
    cmd += "_r" if options.delete :r
    options[:preserve] = true if options.delete :p
    dest = argv.pop
    argv = argv[0] if argv.size == 1
    FileUtils.send cmd, argv, dest, options
  end
end

##
# Create a link to the specified TARGET with LINK_NAME.
#
#   ruby -run -e ln -- [OPTION] TARGET LINK_NAME
#
#   -s          make symbolic links instead of hard links
#   -f          remove existing destination files
#   -v          verbose
#

def ln
  setup("sf") do |argv, options|
    cmd = "ln"
    cmd += "_s" if options.delete :s
    options[:force] = true if options.delete :f
    dest = argv.pop
    argv = argv[0] if argv.size == 1
    FileUtils.send cmd, argv, dest, options
  end
end

##
# Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.
#
#   ruby -run -e mv -- [OPTION] SOURCE DEST
#
#   -v          verbose
#

def mv
  setup do |argv, options|
    dest = argv.pop
    argv = argv[0] if argv.size == 1
    FileUtils.mv argv, dest, options
  end
end

##
# Remove the FILE
#
#   ruby -run -e rm -- [OPTION] FILE
#
#   -f          ignore nonexistent files
#   -r          remove the contents of directories recursively
#   -v          verbose
#

def rm
  setup("fr") do |argv, options|
    cmd = "rm"
    cmd += "_r" if options.delete :r
    options[:force] = true if options.delete :f
    FileUtils.send cmd, argv, options
  end
end

##
# Create the DIR, if they do not already exist.
#
#   ruby -run -e mkdir -- [OPTION] DIR
#
#   -p          no error if existing, make parent directories as needed
#   -v          verbose
#

def mkdir
  setup("p") do |argv, options|
    cmd = "mkdir"
    cmd += "_p" if options.delete :p
    FileUtils.send cmd, argv, options
  end
end

##
# Remove the DIR.
#
#   ruby -run -e rmdir -- [OPTION] DIR
#
#   -p          remove DIRECTORY and its ancestors.
#   -v          verbose
#

def rmdir
  setup("p") do |argv, options|
    options[:parents] = true if options.delete :p
    FileUtils.rmdir argv, options
  end
end

##
# Copy SOURCE to DEST.
#
#   ruby -run -e install -- [OPTION] SOURCE DEST
#
#   -p          apply access/modification times of SOURCE files to
#               corresponding destination files
#   -m          set permission mode (as in chmod), instead of 0755
#   -v          verbose
#

def install
  setup("pm:") do |argv, options|
    options[:mode] = (mode = options.delete :m) ? mode.oct : 0755
    options[:preserve] = true if options.delete :p
    dest = argv.pop
    argv = argv[0] if argv.size == 1
    FileUtils.install argv, dest, options
  end
end

##
# Change the mode of each FILE to OCTAL-MODE.
#
#   ruby -run -e chmod -- [OPTION] OCTAL-MODE FILE
#
#   -v          verbose
#

def chmod
  setup do |argv, options|
    mode = argv.shift.oct
    FileUtils.chmod mode, argv, options
  end
end

##
# Update the access and modification times of each FILE to the current time.
#
#   ruby -run -e touch -- [OPTION] FILE
#
#   -v          verbose
#

def touch
  setup do |argv, options|
    FileUtils.touch argv, options
  end
end

##
# Wait until the file becomes writable.
#
#   ruby -run -e wait_writable -- [OPTION] FILE
#
#   -n RETRY    count to retry
#   -w SEC      each wait time in seconds
#   -v          verbose
#

def wait_writable
  setup("n:w:v") do |argv, options|
    verbose = options[:verbose]
    n = options[:n] and n = Integer(n)
    wait = (wait = options[:w]) ? Float(wait) : 0.2
    argv.each do |file|
      begin
        open(file, "r+b")
      rescue Errno::ENOENT
        break
      rescue Errno::EACCES => e
        raise if n and (n -= 1) <= 0
        puts e
        STDOUT.flush
        sleep wait
        retry
      end
    end
  end
end

##
# Create makefile using mkmf.
#
#   ruby -run -e mkmf -- [OPTION] EXTNAME [OPTION]
#
#   -d ARGS     run dir_config
#   -h ARGS     run have_header
#   -l ARGS     run have_library
#   -f ARGS     run have_func
#   -v ARGS     run have_var
#   -t ARGS     run have_type
#   -m ARGS     run have_macro
#   -c ARGS     run have_const
#   --vendor    install to vendor_ruby
#

def mkmf
  setup("d:h:l:f:v:t:m:c:", "vendor") do |argv, options|
    require 'mkmf'
    opt = options[:d] and opt.split(/:/).each {|n| dir_config(*n.split(/,/))}
    opt = options[:h] and opt.split(/:/).each {|n| have_header(*n.split(/,/))}
    opt = options[:l] and opt.split(/:/).each {|n| have_library(*n.split(/,/))}
    opt = options[:f] and opt.split(/:/).each {|n| have_func(*n.split(/,/))}
    opt = options[:v] and opt.split(/:/).each {|n| have_var(*n.split(/,/))}
    opt = options[:t] and opt.split(/:/).each {|n| have_type(*n.split(/,/))}
    opt = options[:m] and opt.split(/:/).each {|n| have_macro(*n.split(/,/))}
    opt = options[:c] and opt.split(/:/).each {|n| have_const(*n.split(/,/))}
    $configure_args["--vendor"] = true if options[:vendor]
    create_makefile(*argv)
  end
end

##
# Run WEBrick HTTP server.
#
#   ruby -run -e httpd -- [OPTION] DocumentRoot
#
#   --bind-address=ADDR         address to bind
#   --port=NUM                  listening port number
#   --max-clients=MAX           max number of simultaneous clients
#   --temp-dir=DIR              temporary directory
#   --do-not-reverse-lookup     disable reverse lookup
#   --request-timeout=SECOND    request timeout in seconds
#   --http-version=VERSION      HTTP version
#   -v                          verbose
#

def httpd
  setup("", "BindAddress=ADDR", "Port=PORT", "MaxClients=NUM", "TempDir=DIR",
        "DoNotReverseLookup", "RequestTimeout=SECOND", "HTTPVersion=VERSION") do
    |argv, options|
    require 'webrick'
    opt = options[:RequestTimeout] and options[:RequestTimeout] = opt.to_i
    [:Port, :MaxClients].each do |name|
      opt = options[name] and (options[name] = Integer(opt)) rescue nil
    end
    unless argv.empty?
      options[:DocumentRoot] = argv.shift
    end
    s = WEBrick::HTTPServer.new(options)
    shut = proc {s.shutdown}
    Signal.trap("TERM", shut)
    Signal.trap("QUIT", shut) if Signal.list.has_key?("QUIT")
    if STDIN.tty?
      Signal.trap("HUP", shut) if Signal.list.has_key?("HUP")
      Signal.trap("INT", shut)
    end
    s.start
  end
end

##
# Display help message.
#
#   ruby -run -e help [COMMAND]
#

def help
  setup do |argv,|
    all = argv.empty?
    open(__FILE__) do |me|
      while me.gets("##\n")
        if help = me.gets("\n\n")
          if all or argv.delete help[/-e \w+/].sub(/-e /, "")
            print help.gsub(/^# ?/, "")
          end
        end
      end
    end
  end
end

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