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Name	Size	Permission
?;benchmark	[ DIR ]	drwxr-xr-x
?;bigdecimal	[ DIR ]	drwxr-xr-x
?;cgi	[ DIR ]	drwxr-xr-x
?;csv	[ DIR ]	drwxr-xr-x
?;did_you_mean	[ DIR ]	drwxr-xr-x
?;digest	[ DIR ]	drwxr-xr-x
?;drb	[ DIR ]	drwxr-xr-x
?;erb	[ DIR ]	drwxr-xr-x
?;error_highlight	[ DIR ]	drwxr-xr-x
?;fiddle	[ DIR ]	drwxr-xr-x
?;forwardable	[ DIR ]	drwxr-xr-x
?;io	[ DIR ]	drwxr-xr-x
?;json	[ DIR ]	drwxr-xr-x
?;logger	[ DIR ]	drwxr-xr-x
?;net	[ DIR ]	drwxr-xr-x
?;objspace	[ DIR ]	drwxr-xr-x
?;open3	[ DIR ]	drwxr-xr-x
?;openssl	[ DIR ]	drwxr-xr-x
?;optparse	[ DIR ]	drwxr-xr-x
?;psych	[ DIR ]	drwxr-xr-x
?;racc	[ DIR ]	drwxr-xr-x
?;random	[ DIR ]	drwxr-xr-x
?;reline	[ DIR ]	drwxr-xr-x
?;rinda	[ DIR ]	drwxr-xr-x
?;ripper	[ DIR ]	drwxr-xr-x
?;ruby_vm	[ DIR ]	drwxr-xr-x
?;set	[ DIR ]	drwxr-xr-x
?;syntax_suggest	[ DIR ]	drwxr-xr-x
?;syslog	[ DIR ]	drwxr-xr-x
?;unicode_normalize	[ DIR ]	drwxr-xr-x
?;uri	[ DIR ]	drwxr-xr-x
?;vendor_ruby	[ DIR ]	drwxr-xr-x
?;yaml	[ DIR ]	drwxr-xr-x
English.rb	6.11 KB	-rw-r--r--
abbrev.rb	3.45 KB	-rw-r--r--
base64.rb	3.35 KB	-rw-r--r--
benchmark.rb	18.4 KB	-rw-r--r--
bigdecimal.rb	24 B	-rw-r--r--
cgi.rb	9.83 KB	-rw-r--r--
coverage.rb	368 B	-rw-r--r--
csv.rb	92.47 KB	-rw-r--r--
date.rb	1.17 KB	-rw-r--r--
delegate.rb	11.68 KB	-rw-r--r--
did_you_mean.rb	5.31 KB	-rw-r--r--
digest.rb	3.3 KB	-rw-r--r--
drb.rb	50 B	-rw-r--r--
erb.rb	14.57 KB	-rw-r--r--
error_highlight.rb	84 B	-rw-r--r--
expect.rb	2.19 KB	-rw-r--r--
fiddle.rb	2.88 KB	-rw-r--r--
fileutils.rb	79.02 KB	-rw-r--r--
find.rb	2.5 KB	-rw-r--r--
forwardable.rb	9.03 KB	-rw-r--r--
getoptlong.rb	20.26 KB	-rw-r--r--
ipaddr.rb	20.6 KB	-rw-r--r--
json.rb	19.29 KB	-rw-r--r--
kconv.rb	5.72 KB	-rw-r--r--
logger.rb	21.95 KB	-rw-r--r--
mkmf.rb	88.4 KB	-rw-r--r--
monitor.rb	6.76 KB	-rw-r--r--
mutex_m.rb	2.33 KB	-rw-r--r--
objspace.rb	4.67 KB	-rw-r--r--
observer.rb	6.38 KB	-rw-r--r--
open-uri.rb	25.52 KB	-rw-r--r--
open3.rb	22.11 KB	-rw-r--r--
openssl.rb	1.03 KB	-rw-r--r--
optionparser.rb	59 B	-rw-r--r--
optparse.rb	61.06 KB	-rw-r--r--
ostruct.rb	13.88 KB	-rw-r--r--
pathname.rb	16.83 KB	-rw-r--r--
pp.rb	17.22 KB	-rw-r--r--
prettyprint.rb	15.9 KB	-rw-r--r--
pstore.rb	20.52 KB	-rw-r--r--
psych.rb	24.62 KB	-rw-r--r--
racc.rb	137 B	-rw-r--r--
readline.rb	189 B	-rw-r--r--
reline.rb	17.75 KB	-rw-r--r--
resolv-replace.rb	1.76 KB	-rw-r--r--
resolv.rb	74.35 KB	-rw-r--r--
ripper.rb	2.44 KB	-rw-r--r--
securerandom.rb	2.11 KB	-rw-r--r--
set.rb	25.31 KB	-rw-r--r--
shellwords.rb	7.09 KB	-rw-r--r--
singleton.rb	4.08 KB	-rw-r--r--
socket.rb	43.72 KB	-rw-r--r--
syntax_suggest.rb	74 B	-rw-r--r--
tempfile.rb	13.84 KB	-rw-r--r--
time.rb	23.72 KB	-rw-r--r--
timeout.rb	5.83 KB	-rw-r--r--
tmpdir.rb	4.7 KB	-rw-r--r--
tsort.rb	14.26 KB	-rw-r--r--
un.rb	11.17 KB	-rw-r--r--
uri.rb	3.06 KB	-rw-r--r--
weakref.rb	1.36 KB	-rw-r--r--
yaml.rb	2.11 KB	-rw-r--r--

Code Editor : tmpdir.rb

# frozen_string_literal: true
#
# tmpdir - retrieve temporary directory path
#
# $Id$
#

require 'fileutils'
begin
  require 'etc.so'
rescue LoadError # rescue LoadError for miniruby
end

class Dir

@@systmpdir ||= defined?(Etc.systmpdir) ? Etc.systmpdir : '/tmp'

##
  # Returns the operating system's temporary file path.

def self.tmpdir
    ['TMPDIR', 'TMP', 'TEMP', ['system temporary path', @@systmpdir], ['/tmp']*2, ['.']*2].find do |name, dir|
      unless dir
        next if !(dir = ENV[name]) or dir.empty?
      end
      dir = File.expand_path(dir)
      stat = File.stat(dir) rescue next
      case
      when !stat.directory?
        warn "#{name} is not a directory: #{dir}"
      when !stat.writable?
        warn "#{name} is not writable: #{dir}"
      when stat.world_writable? && !stat.sticky?
        warn "#{name} is world-writable: #{dir}"
      else
        break dir
      end
    end or raise ArgumentError, "could not find a temporary directory"
  end

# Dir.mktmpdir creates a temporary directory.
  #
  # The directory is created with 0700 permission.
  # Application should not change the permission to make the temporary directory accessible from other users.
  #
  # The prefix and suffix of the name of the directory is specified by
  # the optional first argument, <i>prefix_suffix</i>.
  # - If it is not specified or nil, "d" is used as the prefix and no suffix is used.
  # - If it is a string, it is used as the prefix and no suffix is used.
  # - If it is an array, first element is used as the prefix and second element is used as a suffix.
  #
  #  Dir.mktmpdir {|dir| dir is ".../d..." }
  #  Dir.mktmpdir("foo") {|dir| dir is ".../foo..." }
  #  Dir.mktmpdir(["foo", "bar"]) {|dir| dir is ".../foo...bar" }
  #
  # The directory is created under Dir.tmpdir or
  # the optional second argument <i>tmpdir</i> if non-nil value is given.
  #
  #  Dir.mktmpdir {|dir| dir is "#{Dir.tmpdir}/d..." }
  #  Dir.mktmpdir(nil, "/var/tmp") {|dir| dir is "/var/tmp/d..." }
  #
  # If a block is given,
  # it is yielded with the path of the directory.
  # The directory and its contents are removed
  # using FileUtils.remove_entry before Dir.mktmpdir returns.
  # The value of the block is returned.
  #
  #  Dir.mktmpdir {|dir|
  #    # use the directory...
  #    open("#{dir}/foo", "w") { something using the file }
  #  }
  #
  # If a block is not given,
  # The path of the directory is returned.
  # In this case, Dir.mktmpdir doesn't remove the directory.
  #
  #  dir = Dir.mktmpdir
  #  begin
  #    # use the directory...
  #    open("#{dir}/foo", "w") { something using the file }
  #  ensure
  #    # remove the directory.
  #    FileUtils.remove_entry dir
  #  end
  #
  def self.mktmpdir(prefix_suffix=nil, *rest, **options)
    base = nil
    path = Tmpname.create(prefix_suffix || "d", *rest, **options) {|path, _, _, d|
      base = d
      mkdir(path, 0700)
    }
    if block_given?
      begin
        yield path.dup
      ensure
        unless base
          stat = File.stat(File.dirname(path))
          if stat.world_writable? and !stat.sticky?
            raise ArgumentError, "parent directory is world writable but not sticky"
          end
        end
        FileUtils.remove_entry path
      end
    else
      path
    end
  end

# Temporary name generator
  module Tmpname # :nodoc:
    module_function

def tmpdir
      Dir.tmpdir
    end

# Unusable characters as path name
    UNUSABLE_CHARS = "^,-.0-9A-Z_a-z~"

# Dedicated random number generator
    RANDOM = Random.new
    class << RANDOM # :nodoc:
      # Maximum random number
      MAX = 36**6 # < 0x100000000

# Returns new random string upto 6 bytes
      def next
        rand(MAX).to_s(36)
      end
    end
    private_constant :RANDOM

# Generates and yields random names to create a temporary name
    def create(basename, tmpdir=nil, max_try: nil, **opts)
      origdir = tmpdir
      tmpdir ||= tmpdir()
      n = nil
      prefix, suffix = basename
      prefix = (String.try_convert(prefix) or
                raise ArgumentError, "unexpected prefix: #{prefix.inspect}")
      prefix = prefix.delete(UNUSABLE_CHARS)
      suffix &&= (String.try_convert(suffix) or
                  raise ArgumentError, "unexpected suffix: #{suffix.inspect}")
      suffix &&= suffix.delete(UNUSABLE_CHARS)
      begin
        t = Time.now.strftime("%Y%m%d")
        path = "#{prefix}#{t}-#{$$}-#{RANDOM.next}"\
               "#{n ? %[-#{n}] : ''}#{suffix||''}"
        path = File.join(tmpdir, path)
        yield(path, n, opts, origdir)
      rescue Errno::EEXIST
        n ||= 0
        n += 1
        retry if !max_try or n < max_try
        raise "cannot generate temporary name using `#{basename}' under `#{tmpdir}'"
      end
      path
    end
  end
end

${this.title}

Code Editor : tmpdir.rb