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ðŸ“ ..
ðŸ“„ English.rb(6.11 KB)
ðŸ“„ abbrev.rb(3.45 KB)
ðŸ“„ base64.rb(3.3 KB)
ðŸ“ benchmark
ðŸ“„ benchmark.rb(18.02 KB)
ðŸ“ bigdecimal
ðŸ“„ bigdecimal.rb(24 B)
ðŸ“ cgi
ðŸ“„ cgi.rb(9.82 KB)
ðŸ“„ coverage.rb(368 B)
ðŸ“ csv
ðŸ“„ csv.rb(86.71 KB)
ðŸ“„ date.rb(1.02 KB)
ðŸ“„ debug.rb(30.3 KB)
ðŸ“„ delegate.rb(11.68 KB)
ðŸ“ did_you_mean
ðŸ“„ did_you_mean.rb(3.85 KB)
ðŸ“ digest
ðŸ“„ digest.rb(2.83 KB)
ðŸ“ drb
ðŸ“„ drb.rb(50 B)
ðŸ“„ erb.rb(28.81 KB)
ðŸ“„ expect.rb(2.17 KB)
ðŸ“ fiddle
ðŸ“„ fiddle.rb(2.11 KB)
ðŸ“„ fileutils.rb(48.26 KB)
ðŸ“„ find.rb(2.47 KB)
ðŸ“ forwardable
ðŸ“„ forwardable.rb(8.98 KB)
ðŸ“„ getoptlong.rb(15.45 KB)
ðŸ“ io
ðŸ“„ ipaddr.rb(19.52 KB)
ðŸ“ json
ðŸ“„ json.rb(19.3 KB)
ðŸ“„ kconv.rb(5.72 KB)
ðŸ“ logger
ðŸ“„ logger.rb(16.48 KB)
ðŸ“ matrix
ðŸ“„ matrix.rb(61.83 KB)
ðŸ“„ mkmf.rb(86.59 KB)
ðŸ“„ monitor.rb(6.76 KB)
ðŸ“„ mutex_m.rb(2.23 KB)
ðŸ“ net
ðŸ“„ objspace.rb(2.66 KB)
ðŸ“„ observer.rb(6.38 KB)
ðŸ“„ open-uri.rb(24.74 KB)
ðŸ“„ open3.rb(21.93 KB)
ðŸ“ openssl
ðŸ“„ openssl.rb(1.06 KB)
ðŸ“„ optionparser.rb(59 B)
ðŸ“ optparse
ðŸ“„ optparse.rb(60.34 KB)
ðŸ“„ ostruct.rb(12.38 KB)
ðŸ“„ pathname.rb(16.46 KB)
ðŸ“„ pp.rb(15.85 KB)
ðŸ“„ prettyprint.rb(15.9 KB)
ðŸ“„ prime.rb(15.13 KB)
ðŸ“„ pstore.rb(14.73 KB)
ðŸ“ psych
ðŸ“„ psych.rb(22.4 KB)
ðŸ“ racc
ðŸ“„ racc.rb(137 B)
ðŸ“„ readline.rb(113 B)
ðŸ“ reline
ðŸ“„ reline.rb(13.9 KB)
ðŸ“„ resolv-replace.rb(1.76 KB)
ðŸ“„ resolv.rb(74.18 KB)
ðŸ“ rinda
ðŸ“ ripper
ðŸ“„ ripper.rb(2.44 KB)
ðŸ“„ securerandom.rb(8.86 KB)
ðŸ“ set
ðŸ“„ set.rb(19.42 KB)
ðŸ“„ shellwords.rb(7.09 KB)
ðŸ“„ singleton.rb(4.08 KB)
ðŸ“„ socket.rb(43.65 KB)
ðŸ“ syslog
ðŸ“„ tempfile.rb(12.43 KB)
ðŸ“„ time.rb(24.27 KB)
ðŸ“„ timeout.rb(4 KB)
ðŸ“„ tmpdir.rb(4.4 KB)
ðŸ“„ tracer.rb(6.5 KB)
ðŸ“„ tsort.rb(14.3 KB)
ðŸ“„ un.rb(10.11 KB)
ðŸ“ unicode_normalize
ðŸ“ uri
ðŸ“„ uri.rb(3.04 KB)
ðŸ“ vendor_ruby
ðŸ“„ weakref.rb(1.46 KB)
ðŸ“ yaml
ðŸ“„ yaml.rb(1.8 KB)

Editing: un.rb

# frozen_string_literal: false
#
# = 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

# :nodoc:
def setup(options = "", *long_options)
  caller = caller_locations(1, 1)[0].label
  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.delete_prefix!('--')
      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.on("--help") do
      UN.help([caller])
      exit
    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
#   -o          set owner user id, instead of the current owner
#   -g          set owner group id, instead of the current group
#   -v          verbose
#

def install
  setup("pm:o:g:") do |argv, options|
    (mode = options.delete :m) and options[:mode] = /\A\d/ =~ mode ? mode.oct : mode
    options[:preserve] = true if options.delete :p
    (owner = options.delete :o) and options[:owner] = owner
    (group = options.delete :g) and options[:group] = group
    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
    mode = /\A\d/ =~ mode ? mode.oct : mode
    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
        if verbose
          puts e
          STDOUT.flush
        end
        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
#   --server-name=NAME          name of the server host
#   --server-software=NAME      name and version of the server
#   --ssl-certificate=CERT      The SSL certificate file for the server
#   --ssl-private-key=KEY       The SSL private key file for the server certificate
#   -v                          verbose
#

def httpd
  setup("", "BindAddress=ADDR", "Port=PORT", "MaxClients=NUM", "TempDir=DIR",
        "DoNotReverseLookup", "RequestTimeout=SECOND", "HTTPVersion=VERSION",
        "ServerName=NAME", "ServerSoftware=NAME",
        "SSLCertificate=CERT", "SSLPrivateKey=KEY") do
    |argv, options|
    begin
      require 'webrick'
    rescue LoadError
      abort "webrick is not found. You may need to `gem install webrick` to install webrick."
    end
    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
    if cert = options[:SSLCertificate]
      key = options[:SSLPrivateKey] or
        raise "--ssl-private-key option must also be given"
      require 'webrick/https'
      options[:SSLEnable] = true
      options[:SSLCertificate] = OpenSSL::X509::Certificate.new(File.read(cert))
      options[:SSLPrivateKey] = OpenSSL::PKey.read(File.read(key))
      options[:Port] ||= 8443   # HTTPS Alternate
    end
    options[:Port] ||= 8080     # HTTP Alternate
    options[:DocumentRoot] = argv.shift || '.'
    s = WEBrick::HTTPServer.new(options)
    shut = proc {s.shutdown}
    siglist = %w"TERM QUIT"
    siglist.concat(%w"HUP INT") if STDIN.tty?
    siglist &= Signal.list.keys
    siglist.each do |sig|
      Signal.trap(sig, shut)
    end
    s.start
  end
end

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

def help
  setup do |argv,|
    UN.help(argv)
  end
end

module UN # :nodoc:
  module_function
  def help(argv, output: $stdout)
    all = argv.empty?
    cmd = nil
    if all
      store = proc {|msg| output << msg}
    else
      messages = {}
      store = proc {|msg| messages[cmd] = msg}
    end
    open(__FILE__) do |me|
      while me.gets("##\n")
        if help = me.gets("\n\n")
          if all or argv.include?(cmd = help[/^#\s*ruby\s.*-e\s+(\w+)/, 1])
            store[help.gsub(/^# ?/, "")]
            break unless all or argv.size > messages.size
          end
        end
      end
    end
    if messages
      argv.each {|arg| output << messages[arg]}
    end
  end
end

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Editing: un.rb

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