.\" spec -  -*- Indented-Text -*- created at: Tue May 25 15:18:26 JST 1993

* Ϥ(ʤRuby?)

RubyϡUNIXǼڤ˥֥Ȼظץߥ󥰡פ򤷤Ȥ˾
¸뤿ޤ줿. ΤɬפȻפ줿:

    * ʸˡ䵡ǽñǤ.
    * ֥Ȼظץߥ󥰤򥵥ݡȤ뵡ǽ
      ĸȤ߷פƤ.
    * 󥢥饦ɥबû(󥿥ץ꥿Ǥ).
    * OS(UNIX)εǽñѤǤ.
    * ץȸȤƻȤ.
    * ϤfreeǤ.

ʤɤǤ. ֥ȻظȤưŪǤSmalltalkC++ʤɤ
ξΰƤϤ뤬, ä˼ڤʥץߥ󥰤Ȥ˷
Ƥ, ʾξƤΤǤϤʤä. ץȸ
ǤPerl Tcl˥֥Ȼظǽɲäƥ¸ߤ뤬, 
ϡּڤ˥ץߥ󥰡פȤƤϤƤ, դ˥
Ȼظǽä. ä, ξ
򿷤߷פɬפȹͤ줿. Ƨޤ߷פ줿Ruby
ħ:

    * 󥿥ץ꥿Ǥ.
    * ñ㳰ξʤʸˡ.
    * ʬʥ֥Ȼظǽ.
    * Ǥ񤭤䤹(黻ҷʤ).
    * ١쥯.
    * 㳰ǽ.
    * ʬ˶Ϥʥ饹Ȥ߹ޤƤ.
    * OS򥢥뵡ǽ󶡤.
    * ĥ䤹.

ʤɤ. RubyshPerlΤäƤͤˤȤäƤξＱˤʤ뤿ä
Τ, θ줫μʰܹԤǽǤȻפ. ץޤ
RubyΥ֥ȻظǽˤĤƳؤ٤, 궯ϤʤȤǤ褦
ʤ.

Cǥ饹᥽åɤ򵭽Ҥ, ɲä뤳ȤRuby򹹤˶Ϥˤ
뤳ȤǤ. ΥץåȥեǤRubyưŪ˥֥ȥե
󥯤Ǥ뤷, ǤʤƤRubyƥѥ뤷Ȥ߹ߥ
ɲäΤưפǤ(PerlʤɤϤ뤫ưפǤ).

* Rubyʸˡ

ǤRubyʸˡ⤹. RubyδŪʬ˾, ʸ
ˡ㳰ʤΤǿȤˤĤΤϤۤ񤷤ʤ.

** 

ץȸνˤʤ餤, ʸʳ'#'ޤǤϥ
ȸʤ.

** ڤ국

ʸ(֤ȥڡ)Ӳ(\n)ڤ국Ȥʤ. 
Ԥ

    a +
    b

Τ褦˹Ԥ(ʸ)ǽ, ιԤ³Ȥʾʳʸ
ڤȤƤǧ.

** ͽ

ͽϰʲ̤Ǥ

  break		end		module		self		while
  case		ensure		nil		super		yield
  class		fail		protect		then		__END__
  continue	for		redo		undef		__FILE__
  def		if		resque		unless		__LINE__
  else		in		retry		until
  elsif		include		return		when

ͽϥ饹̾, ᥽å̾, ѿ̾ʤɤѤ뤳ȤϤǤʤ.

** 

RubyץǤϼʸǤ. ޤ, ⤹.

*** ƥ

ץľܵҤǤ륪֥ȤƥȸƤ. RubyΥƥ
ˤʸ, ɽ, ͤȤƥ뤬.

**** ʸƥ

  "..."   # ХååβѿŸ
  '...'   # Хååβʤ(\\\'ϲ᤹)

**** Хåå嵭ˡ

          \t      (0x09)
          \n      ʸ(0x0a)
          \r      ʸ(0x0d)
          \f      ڡʸ(0x0c)
          \b      Хåڡ(0x08)
          \a      ٥(0x07)
          \e      (0x1b)
  	\#	ʸ`#'Τ
        \nnn      8ʿɽ(n0-7)
        \xnn      16ʿɽ(n0-9,a-f)
         \^c      ȥʸ(cASCIIʸ)
        \C-c      ȥʸ(Ʊ)
        \M-c      ᥿ʸ(c|0x80)

**** ѿŸ

֥륯(`"')ǰϤޤ줿ʸɽǤ `#{ѿ̾}'Ȥ
ѿƤŸ뤳ȤǤ. ѿѿ(`$',`@',`%') 
ľˤ`#ѿ̾'ȤǤŸǤ. ʸ`#'³ʸ 
`{',`$',`@',`%'Ǥʤ, Τޤ`#'ȤƲᤵ.

**** ɽƥ

  /.../

           ^      Ƭ
           $      
           .      Ǥդ1ʸ
          \w      ѿ. [0-9A-Za-z_]Ʊ
          \W      ѿ
          \s      ʸ. [ \t\n\r\f]Ʊ
          \S      ʸ
          \d      . [0-9] Ʊ
          \D      
          \b      춭ʸ(ʸ饹)
          \B      춭ʸ
          \b      (0x08)(ʸ饹)
         [ ]      ʸ饹
           *      ľɽ0ʾη֤
           +      ľɽ1ʾη֤
       {m,n}      m󤫤nη֤
           ?      0ޤ1
           |      
         ( )      ɽޤȤ

¾ʸƱХåå嵭ˡͭǤ.

**** 磻ɥɥƥ

  <...>

	   *	  Ǥդʸ(ʸޤ)Ȱ
	   ?	  Ǥդ1ʸȰ
	 [ ]	  []Τ줫1ʸȰ
	{..}	  {}Τ줫ʸȰ

**** ͥƥ

         123      
        -123      (Ĥ)
       1_234      (10ʿ`_'ޤळȤǤ)
      123.45      ư
      1.2e-3      ư
      0xffff      16
        0377      8
          ?a      ʸ`a'Υ(97)
       ?\C-a      ȥaΥ(1)
       ?\M-a      ᥿aΥ(225)
    ?\M-\C-a      ᥿-ȥaΥ(129)

   \ܥ       ̻/ѿ̾Ȱаб. applyʤɤǥ᥽
		  ɤꤹΤ˻Ȥ.

?ɽǤƤΥХåå嵭ˡͭǤ.

*** ޥɤν

RubyǤshΤ褦˥ޥɤμ¹Է̤ʸƥΤ褦˻ȤȤ
Ǥ. ``ǰϤޤ줿ʸ, ֥륯ȤƱͤ˥Хåå嵭
ˡβѿŸԤʤ줿, ޥɤȤƼ¹Ԥ, μ¹Է
ʸȤͿ. ޥɤɾ뤿Ӥ˼¹Ԥ.

*** ѿ

Rubyѿϥ(ͭϰ)ȼ̿(ͭ)ˤä4ʬव, 
μѿ̾κǽΰʸǷꤵ. ̾ѿ2ʸܰʹߤ
ѿޤ`_'Ǥ뤬, ƥѿΰϡ`$'+1ʸεפȤ
ѿ. ѿ̾Ĺ˴ؤ̤¤Ϥʤ.

ѿΥפ˴ؤ餺, Ƥʤѿ򻲾Ȥͤnil
Ǥ.

**** Хѿ

`$'ǻϤޤѿΥפϥХǤ, ץΤɤǤ
ȤǤ. μ̿ϥץμ̿.

**** 󥹥ѿ

`@'ǻϤޤѿϥ󥹥ѿǤ, Υ饹ޤϥ֥饹
᥽åɤ黲ȤǤ. פϥ᥽åǤ, μ̿ϥ֥
Ȥμ̿.

**** 饹̾/⥸塼̾/ѿ

ե٥åȤޤ`_'ǻϤޤѿϼ̻ҤȤƤФ, ѿ, 
饹̾ޤϥ⥸塼̾Ǥ.

֤Ǥϼ̻Ҥϥ饹/⥸塼̾Ȥߤʤ뤬(륯饹
¸ߤʤͤnil), κդ˸줿̻Ҥ,Υ
ǤϥѿȤƸʤ, Ʊ̾Υ饹⥸塼ϱ. 
ΰ̣Ǽ̻ҤؤȤƤƯ.

        Array       		# 󥯥饹 Array
        Array = 15		# . ʸArrayϥѿ
        print Array, "\n"	# `15'Ϥ

ȤƤβϥѥ˹Ԥʤ뤿, ̻Ҥؤ
ºݤ˼¹ԤƤ⤵ʤƤ, ʹߤΥǤϤμ̻Ҥ
ѿȤߤʤ.

        Array       		# 󥯥饹 Array
        if %FALSE
          Array = 15    	# Υɤϼ¹Ԥʤ,
				# ʹArrayϥѿȤߤʤ.
        end
        print Array, "\n"  	# `nil'Ϥ

Υ롼ϰ츫ʣ, 饹/⥸塼̾ȥѿ̾ʣ
ʤ¤, ̤ΥѿͤnilǤȹͤƤ⺹٤Ϥ
.  RubyȤ߹ߥ饹ʸΥե٥åȤǻϤޤ̾Ĥ
, 桼⥯饹/⥸塼̾ˤʸǻϤޤ뼱̻Ҥ, 
ѿ̾ˤϾʸޤ`_'ǻϤޤ뼱̻ҤȤȤ򶯤侩.

ѿΥפ̿⤽Υ֥åνޤ(ȥåץ٥Υ
ѿϥץνλޤ)Ǥ.

**** 饹ѿ()

`%'ǻϤޤѿϥ饹ѿǤ, Υ饹ƤΥ֥饹Υ
󥹤黲ȤǤ. ѿؤϥȥåץ٥, ʤ᥽
ɤǤ٥ǤΤ߲ǽǤ. ѿϥ饹֤ͤͭ, 
ȥ᥽åɤͤѹ뤳ȤǤʤΤ,Ȥ
Ѥ.

**** ѿ

̾ѿʳ˵ѿȸƤФüѿ4Ĥ.

      self   | ߤΥ᥽åɤμ¹Լ
       nil   | Nil饹ͣΥ󥹥(ɽ)
    __FILE__ | ץȤΥե̾(ʸ)
    __LINE__ | ߤιֹ

εѿˤäƤͤѹ뤳ȤϤǤʤ. 
ѿؤ㳰ȯ.

*** å

֥Ȥ˥åŪʹʸåǤ, δ
ܷϰʲ̤Ǥ.

  1 '.' ᥽å̾ '(' 1... [',' '*' n ]')'

1ɾ륪֥Ȥ, ̻Ҥǻꤵ᥽åɤƤ
Ф. ֺǸΰ'*'³(ñ)Ǥ, μɾ
(Ǥɬפ)Ÿ, Ȥɲä.

Ĥʤˤϳ̤άǤ.

᥽å̾ȤƤǤդμ̻ҤѤ뤳ȤǤ. ѿ̾Ȥϼ̻Ҥ
֤̾㤦ΤǽʣƤ⹽ʤ.

å, 쥷Фselfξ, 쥷Фά̾Υץ
ߥ󥰸ˤؿΤ褦ʷǥ᥽åɤƤӽФȤǤ. 
ξ1ĤʤǤ̤ξάϤǤʤ.

饹ʸγǻꤵ줿᥽åɤȥ饹Modulenoexport᥽åɤ
ꤵ줿᥽åɤϴؿŪ᥽åɤȸƤФ, ؿǤƤӽФ
Ǥʤ.

*** ѡ饹Υ᥽åɸƤӽФ

åüʥȤƥѡ饹Υ᥽åɤθƤӽФ
. ηϥ᥽åɤ˥ѡ饹Ѥ뤿
˻Ȥ.

  super

ߤΥ᥽åɤͿ줿Τޤޥѥ饹Ʊ̾Υ᥽åɤƤ
Ф.

  super'(' ... ')'

ȤȤ˥ѡ饹Ʊ̾Υ᥽åɤƤӽФ. ֺǸΰ
`*'³̾Υ᥽åɸƤӽФƱͤϤ.

*** /Ϣ

Υ֥Ȥ뼰ηϰʲηǤ.

  '[' , ... ']'

줾μɾ̤ޤ֤. ǿ0ζ
뤿ˤ϶

  '[' ']'

Ѥ.

** Ϣ

ϢȤǤդΥ֥Ȥ򥭡(ź)ȤƻƤǤ. Ruby 
ǤϢSmalltalkѸڤDict()ȤƤФ. ܺ٤ϥ
饹Dictι򻲾Ȥ줿. ϢϢ󼰤ϰʲη
.

  '{'  '=>' ... '}'

줾μɾ̤򥭡ͤȤϢ󥪥֥Ȥ֤. 
ǿ0Ϣ뤿ˤ϶Ϣ

  '{' '}'

Ѥ.

*** 󻲾, 

(Ϣޤ)ǤλȤϰʲηǹԤʤ.

  1 '[' 2... ']'

ηŪ, 1"[]"ȤåȲᤵ. 
ư򵿻ŪʥɤǵҤаʲΤ褦ˤʤ.

  1"[]="(2)

, Ǥ

  1 '[' 2... ']' '=' n

ȤǹԤʤ, 

  1."[]="(2..)

ȤȤƲᤵ.

*** 黻ҷ

ץߥ󥰤ؤΤ˰Υ᥽åɸƤӽФ湽¤ϱ黻ҷ
Ȥ. Rubyˤϰʲˤ黻Ҥ. ΤΤۤɷ̤, 
Ʊα黻Ҥη̤ƱǤ.

      -(unary)  +(unary)  !  ~
        **
        *  /  % 
        +  -
        <<  >>
        &
        |  ^
        >  >=  <  <=
        <=> ==  !=  =~  !~
        &&
        ||
        .. ...
        ::
      =() (+=, -=, ..)

ۤȤɤα黻ˤϥ᥽åɸƤӽФȤƲᤵ(饹˺
Ǥ), ǤʤüʤΤ. Ǥʤü黻
Ҥ

    	&&(), ||(), =(), ...(ϰϻ), 

4ĤǤ.
  
Ǥü黻Ұʳα黻ҷϥ᥽åɸƤӽФȸʤ.
ñ黻(+, -, !, ~)

  1."黻"()

Ȥ, ʳ2黻Ҥ

  1."黻"(2)

˲ᤵ.

** 

ˤѿФ(), ץñˤ뤿Υ
å奬ȤƤ. ϰʲηǤ.

  ѿ '=' 

ϼɾ, ѿͤȤ. 饹⥸塼䵿ѿ
ˤǤʤ. 饹⥸塼ѹ뤿ˤclassʸ,
moduleʸѤ. ϱ黻ҷȤäƤ뤬, ᥽åɤǤϤʤ
Ǻ뤳ȤϤǤʤ.

󥿥å奬ȤƤϰʲΤΤ.

Ǥؤ

  1'[' 2... ' ]' '=' n

1ɾ륪֥Ȥ, 2鼰nޤǤȤ, "[]="
Ȥ᥽åɤƤӽФ.

°

  1 '.' ̻ '=' 2

1ɾ륪֥ȤФ"̻="Ȥ᥽åɤ, 
2ȤƸƤӽФ.



  1 op= 2     # 1ǽǤʤФʤʤ.

ηŪˡּ1 = 1 op 2פŸ, ¹Ԥ. Τ
12ɾΤ, Ѥͽۤʤ̤Ƥֲǽ
. ϥץޤΥ׿򸺤餹ŪΤ¸ߤ
Ǥ. opȤƻȤ黻Ҥ

        +, -, *, /, %, **, &, |, ^, <<, >>

11Ǥ. 黻Ҥ`='δ֤˥ڡƤϤʤ.

*** ʬ

ͤˤäʬ뼰ϰʲ˼if, unless, caseʣʸ 
3ȱ黻ҷ3ढ. RubyǤnil, ʳɾ. 
CPerlʤɤȤϰۤʤ, 0 ""(ʸ)ϵȤɾʤΤǵ
뤳.

if

  if 1 [then]
    ʸ1 
  [elsif 2 [then]
    ʸ2 ]... 
  [else 
    ʸn ]
  end

ȽǼ. 1ξʸ1ɾ.  ʳξʸ2ɾ
. Rubyifelse ifǤelifǤʤelsififϢ³ԤʤȤ
դ뤳.

unless

  unless 1 [then]
    ʸ1
  [else 
    ʸ2 ]
  end

1(nil)֤, 2ɾ㳰ȯʸ1ɾ. 
ʳξʸ2ɾ.

case

  case 0
  [when 1 [, 2]... [then]
    ʸ1 ]...
  [else
    ʸn ]
  end

ʬ, CswitchPascalcase˻Ƥ. breakæФ뤳Ȥ
ʸ˷³뤳ȤʤΤ.

ΰפϡּn =~ 0]ǹԤʤ. Ĥޤ,

	case expr0
	when expr1, expr2
	  stmt1
	when expr3, expr4
	  stmt2
	else
	  stmt3
	end

ϰʲifʸǤ.

        _tmp = expr0
        if expr1 =~ _tmp || expr2 =~ _tmp
          stmt1
        elsif expr3 =~ _tmp || expr4 =~ _tmp
           stmt2
        else
           stmt3
        end

黻ҷ

  1 '&&' 2

1ɾ, ͤ(nilʳ)Ǥ, 2ɾ.

  1 '||' 2

1ɾ, ͤǤ, 2ɾ.

  1 '...' 2

1ˤʤޤǤϵ֤, θϼ2֤ޤǤϿ֤.  2
ˤʤо֤ϵ

*** ֤(ñ㷿)

롼פ뼰. μͤϾnilǤ. ֥Ȥ˹
롼פԤʤˤϼ˽Ҥ٤륤ƥ졼Ѥ.

while

  while 
    ʸ
  end

郎δ, ʸ򷫤֤¹Ԥ.

until

  until 
    ʸ
  end
  1 until 2

(nil)֤, ɾ㳰ȯ, ʸ򷫤֤¹Ԥ
.

*** ＰˤĤ

if, unless, while, untilξȽμ, ü黻`...'ξ
μϾＰȸƤФ. ＰǤʸɽƥϼ$_=~
ƥפξάǤȤߤʤ. ˱黻`...'ξդǤ
$.==פξάȲᤵ. Ｐ˸黻 `&&', `||', `!'
դμＰȤߤʤ.

: 黻`!'ü黻ҤǤϤʤΤ, Ԥʤ˵Ĥ
뤳. Ｐ

	! ʸƥ
	! ɽƥ

ηǸƤӽФ᥽åɤΰ, ƥɽ֥ȤǤϤʤ, 
嵭Ӥη̤Ϳ.  Τ, §Ū`!'᥽åɤϺ
ʤɤ.

*** ƥ졼(֤)

** ƥ졼

ƥ졼Ȥ湽¤(ä˥롼)ݲΤѤ᥽åɤ
Ǥ. ɤ(֥åȸƤФ)ꤷƥƥ졼Ƥ
Ф, ƥ졼Ŭͤ򥻥åȤƥ֥åɾ(餯
ʣ). ƥ졼Υ֥åθƤӽФyieldѤ().

ƥ졼θƤӽФϰʲιʸǹԤʤ.

ƥ졼Ȥ湽¤(ä˥롼)ݲΤѤ᥽åɤ
Ǥ. ƥ졼θƤӽФϰʲιʸǹԤʤ.

   '{' ѿ... '|' ʸ '}'

ʸפ֥åȤꤷ, ּפΥ᥽åɤ򥤥ƥ졼Ȥɾ
.  ּפΥȥåץ٥Υ᥽åɤƥ졼ȤƸƤӽФ, 
쥷Фɽ, μϥƥ졼ȤƤϸƤӽФʤ. ּ
ʣμޤ, ơƥ졼Ȥƽ˸ƤФ.

ƥ졼yieldʸ¹Ԥ, ǻꤵ줿ͤdoʸǻꤵ
줿ѿ, ֥å¹Ԥ. ֥åμ¹ԤλȤ
ͤ yieldʸͤȤ֤. ᥽åɤƥ졼ȤƸƤӽ
줿ɤϥ᥽åiterator_p()ͤΤ뤳ȤǤ. ˤ 
Enumerable⥸塼grep᥽åɤΤ褦˥ƥ졼ȤƸƤФ줿
̤Υ᥽åɤȤƸƤФ줿Ȥưۤʤ᥽åɤ⤢.

֥ȤγǤФԤʤη󶡤Ƥ. 
ϰʲ̤.

  for ѿ.. in 
    ʸ
  end

γǤФʸ¹Ԥ. ϰʲμǤ.

   '{' ѿ '|' ʸ '}'

äƼͤΥ֥Ȥ᥽åeachʤ, for¹Ԥ
㳰ȯ.

*** ƥ졼ǤΥ֥åƤӽФ

  yield '(' [ [',' ...]])
  yield

ƥ졼ǥ֥åθƤӽФԤʤ. yield¹Ԥ᥽åɤ
ƥ졼ȤƸƤӽФƤʤˤ㳰ȯ. yield ͤϥ
åͤǤ.

*** 㳰

ͽʤ֤ȯˤ㳰ȯ. RubyǤ㳰
ª, ƻԤ, Ԥʤäꤹ뤳ȤǤ.

  protect
    ʸ1
  [resque
    ʸ2 ]
  [ensure
    ʸ3]
  end

ʸ1¹Ԥ, μ¹㳰ȯresqueǻꤵ줿ʸ2¹
. ensure᤬¸ߤprotectʸλɬ(ｪλ
Ǥʤ, 㳰, return, break, continue, redoʤɤˤæФǤ)ʸ3
¹Ԥ.

unlessʸ, untilʸϾɾ㳰ȯ, ɾ̤
ǤȸʤΤ, ۤ㳰ԤʤäƤ뤳Ȥˤʤ.

*** 롼ԥ

ϳ̤ˤäƥ롼ԥ󥰤뤳ȤǤ. 

  '('  ')'

˳̤Ѥ, ʸ(ޤʸ¤)򼰤ˤ뤳ȤǤ.

  '(' ʸ ';' ʸ... ')'

ʸ¤ӤͤϺǸɾͤǤ. ĤޤͤϺǸɾʸ
ͤˤʤ.

** ʸ

Rubyץ⤦ĤǤʸǤ. ʸˤñʸ, ʸ,
ʸ. ̤ʸͤѤ뤳ȤϤʤ, ȤѤ
⤢Τ, ͤ. ̾ʸͤnilǤ.

*** 

ñʸǤ.

*** ¿

ƱʣѿԤʤȤǤ. ηϰʲ̤Ǥ.

    ѿ ',' [ѿ ',' ...] ['*' ѿ]=  [, ...]

դμĤʤ, ͤȤ(ɬפʤto_a᥽
ɤѴ), Ǥ򤽤줾ѿ. ʳξˤ, 
줾μͤѿ. դѿοȱդǤο
ʤˤ­ʤѿˤ nil, ;äǤ̵뤵. ¿
κǸǤ`*', ĤưȤ
.

    foo, bar = [1, 2]		# foo = 1; bar = 2
    foo, bar = 1, 2		# foo = 1; bar = 2
    foo, bar = 1		# foo = 1; bar = nil

    foo, bar, baz = 1, 2	# foo = 1; bar = 2; baz = nil
    foo, bar = 1, 2, 3		# foo = 1; bar = 2
    foo,*bar = 1, 2, 3		# foo = 1; bar = [2, 3]

¿ñʸǤ. ͤ(Ѵ줿)դǤ.

*** ʸ

ήѹʲʸ. ñʸǤ.

returnʸ

  return [[, ...]]

ͤͤȤƥ᥽åɤμ¹Ԥλ. 2İʾͿ줿
ˤ, ǤȤ᥽åɤͤȤ. Ĥʤ
ˤ nil ͤȤʤ.

롼ʸ

  continue
  redo
  break

嵭3Ĥϥ롼ǻȤ.

continueϤäȤ¦Υ롼פμη֤Ϥ. redoϥ롼׾
ΥåԤʤ鷺, ߤη֤ľ. break ϥ롼פæФ
. CȰ㤤, breakϤäȤ¦Υ롼פæФѤ, case
ȴѤϻʤ.

retryʸ

  retry

protectʸresqueǻȤ, protectʸϤᤫ¹Ԥ. 㳰Ԥʤ
ƤƻԤΤ˻Ȥ. resqueʳretryѤ줿㳰ȯ
.

failʸ

  fail '(' [å] ')'
  fail [å]

㳰ȯ. åͿ줿ˤȯե
̾, ֹ򥷥ƥѿ`$@', å`$!'˥åȤ.

yieldʸ

  yield  [',' ...]

ʸȤyieldѤ뤳ȤǤ. ξϼ̤ǳɬפϤʤ.

*** ᥽åɸƤӽФʸ

1İʾΰĥ᥽åɸƤӽФˤۣ椵ʤ, 
̤ǳɬפϤʤ. ηϰʲ̤Ǥ.

   '.' ᥽å̾ 1 ',' [2...]['*' n]
  ᥽å̾ 1 ',' [2...]['*' n]
  super 1 ',' [2... ]['*' n]

ʸϻ, Τ褦˲ǤϼȤƤβ᤬ͥ褵.

	      foo bar+baz	# ᥽åɸƤӽФfoo(bar+baz)
	      foo (bar)+baz	# ᥽åɸƤӽФfoo(bar) + bar
	      foo 1		# ᥽åɸƤӽФfoo(1)
	      foo -1		# ѿfoo - 1

̤Τʤ᥽åɸƤӽФʸñʸǤ.

*** 潤

ñʸ潤ҤղäΤʸǤ(ñʸǤϤʤ). Ҥϰ
4Ǥ.

  ñʸ if 
  ñʸ unless 
  ñʸ while 
  ñʸ until 

､(if/unless)μԤʸäɾ. ưб
ʬƱͤǤ. 

֤(while/until)ϤޤԤʸɾƤＰɾ
Τ, ٤ʸ¹Ԥ뤳Ȥˤʤ. 

*** 饹ʸ

饹빽ʸϰʲ̤Ǥ.

   class 饹̾ [':' ѡ饹̾ ]
       
   end

饹̾Ǥդμ̻ҤǤ(ʸǻϤ뤳Ȥ侩). 饹
ΥͥȤϤǤʤΤ¾ʸǤϥ饹Ǥʤ.

*** ⥸塼ʸ

⥸塼빽ʸϰʲ̤Ǥ.

   module 饹̾
       
   end

⥸塼̾ʸǻϤޤ뼱̻ҤǤ. 饹Ʊ, ⥸塼
ͥȤǤʤ.

*** 󥯥롼ʸ

⥸塼򥤥󥯥롼ɤ뤳Ȥˤä, 饹ޤϥ⥸塼˵ǽ
ɲäǤ. ⥸塼򥤥󥯥롼ɤ, Υ⥸塼(
Υ⥸塼뤬˥󥯥롼ɤƤ⥸塼)ƤΥ᥽åɤ
Ѥ. ̤Τ򤹤Х󥯥롼ɤϸꤵ줿¿ŷѾȤ.

¾Υ⥸塼򥤥󥯥롼ɤ빽ʸϰʲ̤Ǥ.

   include ⥸塼̾ [',' ⥸塼̾...]

ߤΥ饹ޤϥ⥸塼(ȥåץ٥ǤObject饹)˻
ꤷ⥸塼򥤥󥯥롼ɤ.

*** ᥽åʸ

̾(ðۥ᥽åɤǤʤ)᥽åηϰʲ̤Ǥ. ̾᥽
ϥͥȤǤʤΤ, ᥽åʸǤϥ᥽åʸƤӸ
ӽФʤ.

    def ᥽å̾ ['('  [',' ...][',' '*' ] ')']
        
    end

᥽å̾ϼ̻ҤޤʸǤ. 黻Ҥκ򤹤ˤʸ
ǻꤹ.  ¤ӤκǸ`*', ¿Ϳ줿
°, ǸΰȤͿ(­ʤˤϥ顼).

᥽åɤˤϴؿŪ᥽åɤ̾᥽åɤ. ؿŪ᥽åɤϴؿ
ǤƤӽФȤǤ, äƳ륯饹ȤΥ֥饹Υ
åɤ餷ƤӽФȤǤʤ. 饹ʸγˤdefʸϴ
Ū᥽åɤ, 饹ʸˤdefʸ̾Υ᥽åɤ
. ᥽åɤβĻModule饹export/noexport᥽åɤȤ
ѹ.

** ðۥ᥽åʸ

᥽åˤϤ⤦ðۥ᥽åɤ. ðۥ᥽åɤȤϤ
Υ֥Ȥ˸ͭΥ᥽åɤǤ. ϰʲ̤Ǥ.

   def  '.' ᥽å̾ ['('  [',' ...][',' '*' ] ')']
       
   end

ηϼͤǤ륪֥Ȥðۥ᥽åɤ. ͤ 
(ӥȥ󥯥饹Ǥʤ)̾索֥Ȥ, 饹ޤϥ⥸塼Ǥ
ɬפ. ̾᥽åȤϰۤʤ, ðۥ᥽åɤϥ᥽å
ǤͥȤ뤳ȤǤ.

ðۥ᥽åɤ̾ϷѾʤ, 㳰Ȥƥ饹ðۥ᥽åɤϤ
Υ֥饹ˤѾ. ؤХ饹ðۥ᥽åɤ¾Υ
Ȼظƥˤ륯饹᥽åɤƯ򤹤.

*** ᥽åɤ̾ʸ

ʲηǥ᥽åɤ̾Ĥ뤳ȤǤ.

   def ᥽å̾1 ᥽å̾2

̾դ줿᥽åɤ, λǤΥ᥽åѤ, Υ
åɤƤ, Ť᥽åɤƤӽФ줿ΤƱƯ
.

*** ᥽åäʸ

᥽åɤäˤundefѤ.

   undef ᥽å̾

̻Ҥޤʸǻꤷ᥽åɤä.

defˤ̾undefˤäȤȥ饹Υ󥿥ե
򥹡ѡ饹Ωѹ뤳ȤǤ. , ᥽åɤself
˥åäƤˤϤ褯դʤȴ¸Υ᥽åɤư
ʤʤǽ.
	
-------------------------------------------------------
* RubyȤ߹ߵǽ

Rubyץߥ󥰤δܤϥ饹, ⥸塼ȤΥ᥽åɤνǤ. 
RubyˤϽϤΤΤ˰ʲεǽȤ߹ޤƤ. 饤֥
ɤ뤳ȤˤäƵǽ뤬, ˴ؤƤϤ줾Υ饤֥
ΥɥȤ򻲾ȤƤ餤.

** ؿ

Rubyˤϸ̩ʰ̣ǤϴؿϤʤKernel饹δؿ᥽åɤ(Ƥ
̾說饹ؿǸƤӽФΤ), ؿŪѤ. ؿŪ
Ѥ᥽åɤʲˤ. Υ᥽åɤݤˤϸ
ͤƹԤʤ٤Ǥ.

   _exit(status)

	ץμ¹Ԥλ. statusλơȤ.
	exit()Ȥϰä, 㳰ʤɤϰڹԤʤʤ. fork()θ, 
	ץλʤɤѤ.

   eof()

	ޥɥ饤󤫤ϤEOFãƤ, ֤.

   eval(expr)

        exprȤͿ줿ʸrubyץȤƲ,¹Ԥ.

   exec(command)

        ߼¹ԤƤץλ, commandʸǻꤵ
        ̥ץư.

   exit([status])

        ץμ¹Ԥλ. statusȤͿ줿, 
        ͤRubyޥɤνλơȤ.  ǥեȤ0.

   fork()

        forkƥॳ¹Ԥ, ҥץ. ܺ٤
        fork(2)򻲾ȤΤ. ƥץ¦ǤϻҥץΥץid
        ֤, ҥץ¦Ǥnil֤. 餫θǻҥץ
        ˼Ԥˤ㳰ȯ.

   format(format, ...)

        եޥåȤȤͿ줿ʸCsprintfƱ褦
        ᤷ, Ÿʸ֤. ᥽åsprintf()̾.

	RubyˤformatҤγĥˤĤƤsprintf()ι򻲾Ȥ
	.

   getc()

        ɸϤʸФ. ͤɤ߹ʸʸ
        (ASCII)ɽFixnumǤ.

   getenv(name)

        name˳ĶѿФ. $ENV[name]Ʊ.

   gets()

        ȤͿ줿ե(ʤɸ)ǹ벾
        Ūʥե($ARGFǥǤ)ɤ߹, ɤ߹
        ߤˤϤʸ֤. եνã
        ˤnil֤. Ԥζڤϥƥѿ`$/'ˤäѹǤ.
        ɤ߹ʸϥƥѿ`$_'ˤ⥻åȤ.

   gsub(pattern, replace)

        ƥѿ`$_'λؤʸФִԤʤ. ʸ
        pattern˥ޥåʬreplace֤. String饹
        gsub᥽åɤβ򻲾ȤΤ. gsub᥽åɤ`$_'ͤ򹹿
        .

   iterator_p()

        ᥽åɤƥ졼ȤƸƤӽФ줿˿, Ǥʤ˵
        ֤Ҹ.

   kill(signal, pid...)

        pidǻꤵ줿ץ˥ʥ. ʥϥʥ
        椫̾ǻꤹ. ͤĥʥ(뤤ϥʥ̾
        `-')ͿȥץǤϤʤץ롼פ˥ʥ
        .

   load(file)

        fileɤ. fileɤѥϥƥѿ$LOAD_PATH
        Ƿꤵ.

   open(file[, mode])

        file򥪡ץ󤷤, File֥Ȥ֤. ե̾ϥ
        󤹤ե򼨤. ե̾`|'ǻϤޤˤ³ʸ
        򥳥ޥɤȤƵư, ѥץ饤.

        ޥ̾"-"Ǥ, open()Rubyλҥץ, 
        λҥץȤΥѥפ֤.

        modeϥեΥ⡼ɤꤹ. ϰʲΤΤ
        줫ʸǤ.

            r   ɤ߹. openեϤ餫¸ߤƤ
                ɬפ.

            r+  ɤ߽ξ. openեϤ餫¸ߤƤ
                ɬפ.

            w   񤭹. ե뤬¸ߤƤ, Ĺ0ˤ
                . ¸ߤƤʤп˥ե.

            w+  ɤ߽ξ. ɤ߹ߤԤʤ뤳Ȱʳ"w"ƱƯ
                򤹤.

            a   ɲý񤭹. եϤ餫¸ߤƤɬ
                . 񤭹ߤϥեκǸɲä.

            a+  ɤ߽ξ. ե뤬¸ߤƤʤп˺
                . ֤ϥեκǸ˽.

        ⡼ɤά줿ΥǥեȤ"r"Ǥ.

   print(arg1, ..., argn)

        ˽Ϥ. Ϳʤˤϥ쥷ФϤ. 
        ʸʳΥ֥ȤȤͿ줿ˤ, 
	֥Ȥto_s᥽åɤˤäʸѴƤϤ.
        ƥѿ`$;'(ϥեɥѥ졼)nilǤʤͤ
        ȤƤˤ, ưδ֤ˤʸϤ. ƥ
        ѿ`$\'(ϥեɥѥ졼)nil ǤʤͤåȤ
        ˤ, ǸˤϤ.

   printf([port, ]format, arg1, ..., argn)

        Cprintf()Ʊformat˽ʸѴ, Ϥ
        . 1IOΥ֥饹Υ󥹥󥹤ǤäϤΥ
        ֥ȤФƽϤԤʤ. ǥեȤ$stdout˽Ϥ.

	RubyˤformatҤγĥˤĤƤsprintf()ι򻲾Ȥ
	.

   rand(max)

        0maxۤʤϰϤȯ. ͤFixnum.

   require(file)

	fileɤ. loadȤưΰ㤤requireϥɤե
	Υեѥѿ$LOAD_FILES˳ФƤ, ˥ɤե
	ϺƥɤʤǤ. ºݤ˥ɤˤ%TRUE, 
	˥ɤƤˤ%FALSE֤.

   select(reads[, writes[, execpts[, timeout]]])

        select(2)¹Ԥ. reads/writes/execptsˤIO(ޤϤΥ
        饹)Υ󥹥󥹤Ϳ.  timeoutFixnum / Float
        / TimeΤ줫ǻꤹ.  ͤtimeoutΩˤ
        nil, ǤʤȤ3Ǥ֤, γǤ//
        㳰ԤΥ֥ȤǤȤƻ.

   setenv(name, value)

        nameǻꤵĶѿvalue˥åȤ. $ENV[name]=value
        ƱƯ򤹤.

   sleep([sec])

        secäץμ¹Ԥߤ. secά줿, ץ
        SIGALRMʤ¤, ʵפ˥꡼פ. ºݤ˥꡼
        פÿ֤.

   sprintf(format, ...)

        formatʸCsprintfƱ褦˲ᤷ, Ÿ
        ʸ֤. ᥽åformat()̾.


	formatҤCsprintf()դ(, Ruby
	 unsignedʤΤ, %uϽ)˲ä, %b, %B, %O, %XȤ
	ȤǤ. %bϿͤ2ɽ, %B, %O, %X, 줾, 2,
	8 , 16ʿɽԤʤ, ονκݤ2ɽ
	Ϥʤ, ɽƬ`-'ĤΤɽ.

   srand([])

        νͤꤷ, Ť֤ͤ. ͤά줿
        time(3)֤ͤǥեȤȤ.

   sub(pattern, replace)

        ƥѿ`$_'λؤʸФִԤʤ. ʸǺ
        pattern˥ޥåʬreplace֤. sub᥽å
        `$_'ͤ򹹿. ¾ξܺ٤˴ؤƤString饹sub
        ᥽åɤβ򻲾ȤΤ.

   syscall(num, arg...)

	numǻꤵ줿ֹΥƥॳ¹Ԥ. 2ʹߤ
	ƥॳΰȤϤ. ʸޤǤʤ
	ʤʤ.

   system(command)

        ޥɤ¹Ԥ, νλơ֤.

   trap(command, signal...)

        signalγߤäcommand¹Ԥ.  signalϥ
        ʥ̾ʥֹ. commandȤ"SIG_IGN"ޤ"IGNORE"
        ꤷˤϤΥʥ̵뤹(ǽʤ). "SIG_DFL"
        "DEFAULT"ꤷϥǥեȤưԤʤ.

   wait()

        ҥץλΤԤ, λҥץpid֤. 
        ҥץĤʤnil֤.

   waitpid(pid, flags)

        λҥץνλԤ, Υץλ˿
        . ҥץ¸ߤʤ, Υ֥å󥰥⡼ɤǻҥץ
        ޤλƤʤˤnil֤. waitpid(2)wait4(2)
        ƤʤޥǤflagsϤĤnilޤ0ǤʤФ
        ʤ.

** ƥѿ

   $!           顼å. failꤹ.

   $@           顼ȯΥե̾ȹֹ椬

                    "ե:ֹ[:᥽å̾()]"

                ηǳǼ.

   $&           Ǹѥޥå

   $1..$9       Ǹѥޥånܤγ̤˥ޥå
                ͤǼ. ̤ʤniläƤ.

   $~           ǸΥޥå˴ؤ. 򥻥åȤ$&$1..$9
                ͤѲ.

   $=           ѿͤnilǤʤ, ѥޥåʸ
                Ӥǥե٥åȤʸʸ̤ʤ. ǥե
                Ȥnil(̤).

   $/           ϥ쥳ɥѥ졼. եʸФeach
                Ԥʤʬʸꤹ. $/˶ʸ("")ꤹ
                ñ̤ϤԤʤ, nilꤹΤ
                ɤ߹. $/ˤɽϻȤʤ. ǥեȤ
                "\n".

   $\           ϥ쥳ɥѥ졼. ѿʸꤹ
                write()print()٤˺ǸˤʸղäƽϤ
                . ǥեȤnil(ʤˤɲäʤ).

   $,		Array:join()ΥǥեȤζڤʸ. print()γư
		δ֤˽Ϥʸ.

   $;		String:split()ΥǥեȤζڤʸ.

   $.           Ǹɤϥեιֹ.

   $_           Ǹgets()ʤɤɤ߹ʸ.

   $0           rubyץȤ̾. ѿps(1)ν
		Ѳ.

   $*           rubyץȤͿ줿. rubyȤФ
                Ƥ.

   $$           ߼¹rubyץpid.

   $?           Ǹ˼¹Ԥҥץstatus.

   $ARGV        $*Ʊ.

   $ENV		Ķѿ˥Ϣ.

   $FILENAME    ۥե$ARGFǸɤ߹Υե̾. ᥽
		gets()ɤǤե̾.

   $DEBUG	`-d'ե饰ξ()

   $LOAD_PATH   եɤ˸ǥ쥯ȥؤΥѥ
                ޤ. ưˤϥǥե(ѥ˻ꤹ
                )˲ä, ĶѿRUBYLIBͤrubyư-Iץ
                ǻꤵ줿ͤɲä.

   $stdin       ɸ
   $stdout      ɸ
   $stderr      ɸ२顼

   $ARGF	(ʤɸ)ǹ벾ۥե. Ĥޤ 
		gets()$ARGF.gets()Ʊ̣Ǥ.

   $VERBOSE	`-v'ե饰ξ()

   $VERSION     rubyΥС򼨤ʸ

** ƥ

   %TRUE        t
   %FALSE       nil

        줾쿿ͤɽ. ȽǤnil, ʳƤͤ
        ȤȽǤ뤿, %TRUEͤɽŪʿͤȤʾΰ
        ̣ʤ. ä, ᥽åɤͤǤȤȤ, 
        줬%TRUE֤ȤȤϸ̩ˤƱǤϤʤ(ҸŪѤ
        ᥽åɤ񿿤ͤȤ%TRUE֤褦ˤϤʤäƤ
        ). Ĥޤ

	  if some.method() then .. else .. end

	

	  if some.method() == %TRUE then .. else .. end

        ϴˤƱǤϤʤ. %FALSE˴ؤƤ, Τ褦
        ʤ.

** 饹/⥸塼

*** Array(饹)

źȤΥ饹Ǥ. ϰŪˤ``[...]''
Ԥʤ.

SuperClass: Object

Included Modules: Enumerable

Methods:

   self[nth]
   self[start..end]
   self[start, length]

        Ǥ˥. ǽηǤnthܤǤ
        ֤, 2ܤηǤstartܤǤendܤǤޤ
        ʬ֤. 3ܤηǤstartܤlengthĤǤޤ
        ʬ֤.

   self[nth] = val
   self[start..end] = val
   self[start, length] = val

        Ǥѹ. ǽηǤnthܤǤval
        ѹ. 2ܤηstartܤǤendܤǤޤǤ
        valѹ. 3ܤηǤstartܤlengthĤǤval
        ѹ.

        2, 3ܤηǤvalǤʤФʤʤ.

        :

          ary = [1, 2, 3, 4, 5]
          ary[0..2] = [0, 0] # Ƥ [0, 0, 4, 5]
          ary[1, 0] = [7]    # Ƥ [0, 7, 0, 6, 5]

   self + other

        Ϣ. selfotherξƤҤ
        ֤.

   self * times

        η֤.

   self << obj

        objɲä. self֤ΤC++ŪϢǤ.

   assoc(key)

        Ϣۥꥹ(2ǤǤȤ)򸡺, 1Ǥkey
        ("=="Ӥ)֤.

   clear

	礭0ˤ.

   delete(val)

	valȰפǤ.

   delete_if

        Ǥ륤ƥ졼. ֥åɾͤλ, б
        Ǥ󤫤.

   each

        γǤͿ륤ƥ졼.

   fill(val)
   fill(val, start[, length])
   fill(val, start..end)

	(λꤵ줿ʬ)Ǥͤvalꤹ. 2֤η
	lengthά줿νޤǤĹȤ. ꤵ줿
	ʬ󤬸ϰϤۤϼưŪ˳ĥ.

   index(val)

	valǽǤΥǥå֤. Ǥ¸
	ʤnil֤.

   indexes(ary)
   indexes(index-1, ..., index-n)

	1ܤηǤȤƼ, Ǥ򥤥ǥ
	ȤǤޤ֤. 2ܤηǤϳưͤ
	ǥåȤǤޤ֤.

   join([sep])

        ǤϢ뤷ʸ֤. ǤʸѴ, 
        sep򶴤Ϣ뤵. sepά줿ˤϥƥѿ`$,'
        ͤѤ.

   length
   size

        Ĺ(ǿ)֤.

   push(obj)

        objɲä.

   pack(template)

        Ƥtemplateʸˤä, 1Ĥʸ˥ѥå
        . ѥåʸ֤. ƥץ졼ȤϷʸȤĹ
        (ά1)¤٤ΤǤ. ĹȤ`*'ꤵ줿
        ֻĤΥǡơפĹɽ.

        ʸϰʲΤΤ.

          a     ASCIIʸ(nullʸͤ)
          A     ASCIIʸ(ڡͤ)
          b     ӥåȥȥ(̥ӥåȤ̥ӥå)
          B     ӥåȥȥ(̥ӥåȤ鲼̥ӥå)
          h     16ʸ(̥˥֥뤬)
          H     16ʸ(̥˥֥뤬)
          c     char
          C     unsigned char
          s     sort
          S     unsigned sort
          i     int
          I     unsigned int
          l     long
          L     unsigned int
          n     ͥåȥХȥshort
          N     ͥåȥХȥlong
          f     ñư(¸)
          d     ư(¸)
          x     ʥХ
          X     1Хȸ
          @     а֤ؤΰư

   pop

        Ǥ, ֤.

   rassoc(value)

        Ϣۥꥹ(2ǤǤȤ)򸡺, 2Ǥ
        value("=="Ӥ)֤.

   shift

        ƬǤ, ֤.

   sort

        Ƥ򥽡Ȥ. ƥ졼ȤƸƤӽФ줿ϥ֥
        ɾͤǤ羮ꤹ. 礭, 
        0, . ̾Υ᥽åɤȤƸƤӽФ줿ϳ
        `<=>'Ӥ.

   to_a

	ʬȤ֤. оΤѰդƤ᥽åɤǤޤ
	򤯤ʤ.

   unshift(obj)

        objƬɲä.

*** Bignum(饹)

̵¿ĹΥ饹. 黻η̤FixnumϰǤˤϼ
ưŪ˥饹FixnumѴ. ŪRubyץǤFixnum 
BignumѴϰۤΤ˹ԤΤ, ռɬפ̵. FloatȤ
˴ؤƤ, Bignum Floatgenericity⤤Τˤؤ餺,
Bignum, 礭ͤɽǤΤ, Ѵ˷ǽ
.


SuperClass: Integer

Methods:

   self + other
   self - other
   self * other
   self / other
   self % other
   self ** other

        ѱ黻. 줾, , , , ;, Ѿ֤.

   ~ self
   self | other
   self & other
   self ^ other

        ӥåȱ黻. 줾ӥåȿž, , , ¾Ū¤
        ֤.

   self << bits
   self >> bits

        եȱ黻. 줾bitsӥåȤ˥ӥåȥեȤԤʤ.

   divmod(other)

	Ⱦ;2Ǥ֤.

*** Class(饹)

饹Υ饹. 긷̩ȥ饹ðۥ᥽åɤѾ뤿
, 줾᥿饹ȸƤФ̾Τʤ饹򥯥饹Ȥƻ,
ClassϤΥ᥿饹Υ饹Ǥ(ʬä?). , β⤬
ǤʤƤ, RubyȤȤ˲λپʤ. 饹ˤðۥ᥽åɤ
Ǥ, ѡ饹줿ðۥ᥽åɤϤΥ֥饹
ǤͭǤΤнʬǤ.

SuperClass: Module

Private Methods:

   attr(name[, public])

	Υ饹Υ󥹥󥹤Фnameǻꤵ°. 
	ܤModuleattr᥽åɤι򻲾ȤΤ.

Methods:

   new(...)

        饹Υ󥹥󥹤. ¿ξ礳Υ᥽åɤϥ֥
        饹ðۥ᥽åɤˤäƥС饤ɤ, 饹ˤäư
        ۤʤ.

*** Comparable(⥸塼)

ӱ黻饹ΤMixin. Υ⥸塼򥤥󥯥롼ɤ뤳
Ȥˤä, `<=>'黻Ҥ¾α黻ҤϤѤ
Ǥ.

Methods:

   self == other

        selfother֤.

   self > other

        selfother礭֤.

   self >= other

        selfother礭֤.

   self < other

        selfother꾮֤.

   self <= other

        selfother꾮֤.

   between(min, max)

        selfminmaxϰˤ֤.

*** DBM(饹)

NDBMե򥢥륯饹. , ǡȤʸǤʤФ
ʤȤ¤, ǡե¸ȤƤ 
Dict饹Ʊͤ˰ȤǤ. NDBMƤʤƥǤ
Υ饹ʤ.

SuperClass: Object

Included Modules: Enumerable

Methods:

   self [key]

        key򥭡Ȥ֤ͤ.

   self [key]= value

        key򥭡Ȥ, valueǼ. valueȤnilꤹ,
        keyФܤκȤʤ.

   clear

	DBMեȤˤ.

   close

        DBMե򥯥. ʸ㳰ȯ.

   delete(key)

        key򥭡ȤȤ.

   delete_if

	Ǥ륤ƥ졼. [key, value]ȤͿ, ֥
	ɾͤλ, ܤ.

   each
   each_pair

        [key, value]ʤͿ륤ƥ졼.

   each_value

        ƤvalueФƷ֤ƥ졼.

   each_key

        ƤkeyФƷ֤ƥ졼.

   has_key(key)
   includes(key)

        keyǡ١¸ߤ, ֤

   has_value(value)

        valueͤȤȤǡ١¸ߤ, 
        ֤

   indexes(ary)
   indexes(key-1, ..., key-n)

	1ܤηǤʸȤƼ, Ǥ򥭡
	ȤǤޤ֤. 2ܤηǤϳưͤ򥭡
	Ǥޤ֤.

   keys

        ǡ١¸ߤ륭Ƥޤ֤.

   length
   size

	ǡ١Ǥο֤. (:ߤμ¸Ǥǿ
	뤿˥ǡ١Τ, 빽Ȥ⤤. 
	ĤƻȤ.)

   to_a

	ǡ١key-valueڥǤȤ֤.

   values

        ǡ١¸ߤƤޤ֤.

Single Methods:

   open(dbname[, mode])

        dbnameǻꤷǡ١⡼ɤmodeꤷƥץ
        . modeξάͤ0666Ǥ. modeȤnilꤹȥǡ
        ١¸ߤʤˤϿ˥ץ󤻤, nil֤.

*** Dict(饹)

񤢤뤤Ϣ. ǤդΥ֥ȤźȤǤΥ饹Ǥ
. HashȤ̾Ǥ⥢Ǥ. Ϣ󥪥֥Ȥϰ
ŪˤϢ``{a=>b,..}'' ǹԤʤ.

SuperClass: Object

Included Modules: Enumerable

Methods:

   self [key]

        key򥭡Ȥ֤ͤ.

   self [key]= value

        key򥭡Ȥ, valueǼ. valueȤnilꤹȤ
        keyФܤκȤʤ. Ĥޤ, DictͤȤnil
        ȤϤǤʤ.

   clear

	Ϣˤ.

   delete(key)

        key򥭡ȤȤ.

   delete_if

	Ǥ륤ƥ졼. [key, value]ȤͿ, ֥
	ɾͤλ, ܤ.

   each
   each_value

        ƤvalueФƷ֤ƥ졼.

   each_key

        ƤkeyФƷ֤ƥ졼.

   each_pair

        [key, value]ʤͿ륤ƥ졼.

   has_key(key)
   includes(key)

        key¸ߤ, ֤

   has_value(value)

        valueͤȤȤ¸ߤ, ֤

   indexes(ary)
   indexes(key-1, ..., key-n)

	1ܤηǤȤƼ, Ǥ򥭡Ȥ
	Ǥޤ֤. 2ܤηǤϳưͤ򥭡Ȥ
	ޤ֤.

   keys

        ¸ߤ륭Ƥޤ֤.

   length
   size

	Ǥο֤.

   to_a

	key-valueڥǤȤ֤.

   values

        ¸ߤƤޤ֤.

Single Methods:

   new

        ()񥪥֥Ȥ֤.

*** Directory(饹)

ǥ쥯ȥǤ֤ǥ쥯ȥꥹȥ꡼ΤΥ饹. 
DirȤ̾Ǥ⥢Ǥ.

SuperClass: Object

Included Modules: Enumerable

Methods:

   close

        ǥ쥯ȥꥹȥ꡼򥯥. ʸ㳰ȯ
        .

   each

        ǥ쥯ȥγǤͿ륤ƥ졼.

   getwd
   pwd

        ȥǥ쥯ȥ֤.

   rewind

        ǥ쥯ȥꥹȥ꡼Ƭ˥ꥻåȤ.

   seek(pos)

        ǥ쥯ȥꥹȥ꡼ΰ֤posꤹ.

   tell

        ǥ쥯ȥꥹȥ꡼θߤΰ֤֤.

Single Methods:

   chdir(path)

        ȥǥ쥯ȥpathѹ.

   chroot(path)

        ץΥ롼ȥǥ쥯ȥѹ, Ʊ̾Υƥॳ
        ƱƯ򤹤. ϼ¸uidѥ桼Ǥ
        ¤Ƥ. 롼ȥǥ쥯ȥ򸵤᤹(롼ȥǥ쥯
        ѹ)ˡ󶡤Ƥʤ.

   mkdir(path[, mode])

        modeǻꤵ줿⡼ɤĥǥ쥯ȥpath. ⡼
        umaskˤäƽ. modeΥǥեͤ0777.

   open(path)

        pathФǥ쥯ȥꥹȥ꡼򥪡ץ󤹤.

   rmdir(path)

        pathǻꤵ줿ǥ쥯ȥ. ǥ쥯ȥ϶Ǥ
        ɬפ.

*** Enumerable(⥸塼)

ǤФ뷫֤Ԥʤ饹ΤMixin. Υ⥸塼򥤥
롼ɤ뤿ˤ, ᥽å`each'ɬפ.

Methods:

   collect

        ǤФƥ֥åɾ̤ƴޤ֤

   find

        ǤФƥ֥åɾͤˤʤäǽǤ֤.

   find_all

        ǤФƥ֥åɾͤǤäǤƴޤ
        ֤.

   grep(pattern)

         =~ patternפΩƤǤޤ֤. 
        졼ȤѤ줿Ͼ嵭ξΩǤФƥ֥
        ¹Ԥ.

   includes(val)

	val`=='δطˤǤĻ, ֤.

   index(val)

	val`=='δطˤ륪֥Ȥܤ˸줿֤. 
	ֺǽǤ0ˤʤ. Ǥ¸ߤʤˤnil֤. 
	ʤ饹ФƤϤޤ̣ʤ.

   min

	ǾǤ֤. ƤǤߤ`<=>'᥽åɤӤǤ
	뤳ȤꤷƤ.

   max

	Ǥ֤. Ǥ`<=>'᥽åɤӤǤ뤳Ȥ
	Ƥ.

   reverse

        ƤǤս¤٤֤.

   sort

        ƤǤ򥽡Ȥ֤.

*** Etc(⥸塼)

/etcǥ쥯ȥʲξ뤿Υ⥸塼. 饹˥󥯥롼
ƻȤȤǤ.

Methods:
Single Methods:

   getlogin

	ʬlogin֤̾. 줬Ԥgetpwuid()Ѥ
	ɤ.

   getpwnam(name)

	/etc/passwdե(뤤DBMեNISǡ١)
	, name̾passwdȥ֤. ͤpasswd¤
	ΤǰʲΥФ.

	  struct passwd
	    name 	# 桼̾(ʸ)
	    passwd	# ѥ(ʸ)
	    uid		# 桼ID()
	    gid		# 롼ID()
	    gecos	# gecosե(ʸ)
	    dir		# ۡǥ쥯ȥ(ʸ)
	    shell	# 󥷥(ʸ)
	    # ʹߤΥФϥƥˤäƤ󶡤ʤ.
	    change	# ѥѹ()
	    quota	# ()
	    age		# ()
	    class	# 桼饹(ʸ)
	    comment	# (ʸ)
	    expire	# ͭ()	    
	  end

	ܺ٤getpwnam(3)򻲾ȤΤ.

   getpwuid([uid])

	uid桼IDȤpasswdȥ֤. ͤgetpwnam()
	ƱͤǤ. άˤgetuid()ͤѤ. ܺ٤
	getpwuid(3)򻲾ȤΤ.

   getgrgid(gid)

	/etc/groupե(뤤ϡgetpwnam)򸡺, gid򥰥롼
	IDȤ륰롼ץȥ֤. ͤgroup¤Τǰʲ
	Ф.

	  struct group
	    name 	# 롼̾(ʸ)
	    passwd	# 롼פΥѥ(ʸ)
	    gid		# 롼ID()
	    mem		# 롼ץ̾
	  end

	ܺ٤getgrgid(3)򻲾ȤΤ.

   getgrnam(name)

	nameȤ̾Υ롼ץȥ֤. ͤgetgrgid()Ʊ
	ͤǤ. ܺ٤getgrnam(3)򻲾.

   group

	ƤΥ롼ץȥ˥뤿Υƥ졼.

   passwd

	Ƥpasswdȥ˥뤿Υƥ졼.

*** File(饹)

ե륢ΤΥ饹. ᥽åopen(). ޤ, 
饹ðۥ᥽åɤȤtestΥեƥȱ黻Υ᥽åɤ
Ƥ(FileTest⥸塼Υ᥽åɷ).

SuperClass: IO

Methods:

   atime

        եκǽ֤.

   ctime

        եκǽơѹ֤.

   chmod(mode)

        եΥѡߥåѹ(cf chmod(2)).

   chown(owner, group)

        եνͭԤȥ롼פѹ(cf chown(2)).  nil-1
        ꤹ뤳ȤˤäƽͭԤ䥰롼פ򸽺ߤΤޤѤʤǤ
        ȤǤ.

   eof

        եνüã˿֤.

   lstat

        ե˴ؤStat¤Τ֤. lstatϥե뤬ܥ
        󥯤ǤХ󥯤ΤΤ˴ؤStat¤Τ֤. ¤
        ƤˤĤƤstat򻲾ȤΤ.

   mtime

        եκǽ֤.

   rewind

        եΥեݥ󥿤ΰ֤Ƭ˰ư.

   path

        եΥѥ֤̾.

   seek(offset, ptrname)

        եΥեݥ󥿤ΰ֤offset˰ư.  ptrname
        0, 1, 2Τ줫Ǥä, 줾եƬ, ߰, 
        եνüΤΤ줫Ф򼨤.

   stat

        ե˴ؤStat¤Τ֤(Struct 򻲾).

	  struct stat
	    dev	 	# ե¸ߤǥХ
	    ino		# եi-nodeֹ
	    mode	# ⡼
	    nlink	# ϡɥ󥯤ο
	    uid		# ͭԤΥ桼ID
	    gid		# ͭԤΥ롼ID
	    rdev	# ǥХID(ڥեΤ)
	    size	# ե륵(byte)
	    blksize	# ե륷ƥˤŬڤʥ֥å
	    blocks	# ֥å
	    atime	# ǽ
	    mtime	# ǽ
	    ctime	# ǽѹ
	  end

	ܺ٤fstat(2)򻲾ȤΤ. ƥƤ
	stat¤Τ˳Фʤ0ꤵƤ.

   tell

        եθߤΥեݥ󥿤ΰ֤֤.

   truncate(length)

        եڤΤƤƺlengthХȤˤ. եwrite⡼
        ɤǥץ󤵤ƤʤФʤʤ.

Single Methods:

   atime(filename)

        filenameκǽ֤.

   ctime(filename)

        filenameκǽơѹ֤.

   chmod(mode, path, file...)

        եΥѡߥåѹ(cf chmod(2)). ѹե
        ֤. fileˤϥ磻ɥɤ.

   chown(owner, group, file...)

        եνͭԤȥ롼פѹ(cf chown(2)). nil-1
        ꤹ뤳ȤˤäƽͭԤ䥰롼פ򸽺ߤΤޤѤʤǤ
        ȤǤ. ѹե֤. fileˤϥ磻ɥɤ
        .

   link(old, new)

        oldؤΥϡɥnew. link(2)Ʊ¤.

   mtime(filename)

        filenameκǽ֤.

   readlink(path)

        ܥåpathƤʸȤ֤.

   rename(from, to)

        ե̾fromtoѹ. rename(2). toȤ̾
        Υե뤬¸ߤˤϤޤΥե뤬.

   stat(filename)

        filenameΥեStat¤Τ֤.

   symlink(old, new)

        oldؤΥܥånew.

   truncate(path, length)

        pathǻꤵ줿եڤΤƤƺlengthХȤˤ.

   type(filename)

	filenameΥեΥפɽʸ֤. ʸ"file",
	"directory", "characterSpecial", "blockSpecial", "fifo",
	"link", "socket"ΤΤ줫ĤǤ.

   unlink(file...)

        ե. ǥ쥯ȥκˤDir.rmdirȤ.
        fileˤϥ磻ɥɤ.

   utime(atime, mtime, file...)

        եΥatime, mtimeꤹ. 
        atime, mtimeϿޤTime饹Υ󥹥󥹤ǤʤФʤ
        . fileˤϥ磻ɥɤ.


 ʳFileTest⥸塼Υ᥽åɤðۥ᥽åɤȤƻ.

*** FileTest(⥸塼)

եƥѥ᥽åɤ򽸤᤿⥸塼. 󥯥롼ɤѤ뤳
Ǥ.

Methods:
Single Methods:

   b(filename)

        filenameΥե뤬֥åڥեǤ, 
        .

   c(filename)

        filenameΥե뤬饯ڥեǤ, 
        ֤.

   executable(filename)
   x(filename)

        filenameΥե뤬¹Բǽλ, ֤.

   exists(filename)
   e(filename)
   a(filename)

        filenameΥե뤬¸ߤ, ֤.

   G(filename)

        filenameΥեgid¸롼פgidƱ, ֤.

   isdirectory(filename)
   d(filename)

        filenameǥ쥯ȥλ, ֤.

   isfile(filename)
   f(filename)

        filenameΥե뤬̾եλ, ֤.

   islink(filename)
   l(filename)

        filenameΥե뤬ܥå󥯤Ǥ, ֤.

   ispipe(filename)
   p(filename)

        filenameΥե뤬̾Ĥѥ(FIFO)Ǥ, ֤.

   issocket(filename)
   S(filename)

        filenameΥե뤬åȤǤ, ֤.

   owned(filename)
   O(filename)

        filenameΥե¸桼ͭƤ, ֤.

   readable(filename)
   r(filename)

        filenameΥեɤߤȤǽλ, ֤.

   R(filename)

        filenameΥեuid/gidɤߤȤǽλ, ֤.

   setuid(filename)
   u(filename)

        filenameΥեsetuidӥåȤåȤƤ, ֤.

   setuid(filename)
   g(filename)

        filenameΥեsetuidӥåȤåȤƤ, ֤.

   size(filename)
   s(filename)

        filenameΥե뤬¸ߤ, ե礭֤. ¸ߤ
        ʤnil֤.

   sticky(filename)
   g(filename)

        filenameΥեstickyӥåȤåȤƤ, ֤.

   writable(filename)
   w(filename)

        filenameΥե뤬uid/gidǽ񤭹߲ǽλ, ֤.

   W(filename)

        filenameΥե뤬񤭹߲ǽλ, ֤.

   z(filename)

        filenameΥե뤬¸ߤ, 礭0Ǥ, ֤.

*** Fixnum(饹)

31bitΥ饹. builtin classǤ. Υ饹pointer¨ͤ
뤿call by valueǸƤӽФħŪǤ(¾Υ饹call
by reference). 黻η̤31bitۤˤϼưŪBignum(̵¿
Ĺ)˳ĥ.

ƥ졼upto(), downto(), step()Ϸ֤ΤѤ, ̤
Range饹Ѥ®Ǥ.

SuperClass: Integer

Methods:

   self + other
   self - other
   self * other
   self / other
   self % other
   self ** other

        ѱ黻. 줾, , , , ;, Ѿ֤.

   ~ self
   self | other
   self & other
   self ^ other

        ӥåȱ黻. 줾ӥåȿž, , , ¾Ū¤
        ֤.

   self << bits
   self >> bits

        եȱ黻. 줾bitsӥåȤ˥ӥåȥեȤԤʤ.

   self .. max

        ϰϻ. self  maxޤǤϰϥ֥Ȥ֤.

   downto(min)

        ƥ졼. selfminޤǲ˷֤.

   id2name

	ͤIDȤߤʤ, ʸ֤. ʸ
	¸ߤʤnil֤.

   step(max, step)

        ƥ졼. selfmaxޤstepѲʤ, ֤.

   to_f

        selfFloatѴΤ֤.

   to_i

        self򤽤Τޤ֤.

   upto(max)

        ƥ졼. selfmaxޤǷ֤.

*** Float(饹)

 ưΥ饹.

SuperClass: Numeric

Methods:

   self + other
   self - other
   self * other
   self / other
   self % other
   self ** other

        ѱ黻. 줾, , , , ;, Ѿ֤.

   self == other
   self > other

        ӱ黻.

   coerce(num)

        numfloatѴ. FloatǤ¾ο
        FixnumBignumǤ.

   to_f

        self򤽤Τޤ֤.

   to_i

        selfѴ̤֤.

Single Methods:

   new(float)

	floatƱͤĿFloat֥Ȥ֤.

*** GC(⥸塼)

RubyȤ߹ߤgarbage collectorԤʤΥ⥸塼. Υ
塼Υ᥽åɤѤ뤳Ȥˤä, ŪGCߤ᤿, GCε
륿ߥ󥰤椷Ǥ.

Methods:

   garbage_collect

        GC򳫻Ϥ. GC.startפƱ.

Single Methods:

   disable

        GCػߤ.

   enable

        GCĤ.

   start

        GC򳫻Ϥ.

*** Glob(饹)

磻ɥɤΥ饹. 磻ɥɤΥƥ<...>ȤǤ
. ɽȤۤƱ褦˻Ȥ뤬, ϵǽʤ. , 
ɥɤŸǽ.

SuperClass: Object

Included Modules: Enumerable

Methods: 

   self =~ string

        磻ɥɤʸ˥ޥåˤϿ, ʤ
        nil֤.

   each

	磻ɥɤ˥ޥåե֤̾ƥ졼.

Single Methods:

   new(string)

        ʸ磻ɥɤѴ֥Ȥ֤.

*** Integer(饹)

饹. ºݤϤ礭ˤäFixnumBignumĤΥ֥饹
Ǽ¸Ƥ. IntegerϤΥѡ饹Ȥʤݥ饹Ǥ
. RubyǤϤۤȤɤξ, FixnumBignumζ̤ɬפʤ, ߤѴ
ϼưŪ˹Ԥʤ. ӥåȤߤʤˤ, ̵¤Ĺ
ĥӥåȹͤƹʤ.

SuperClass: Numeric

Methods:

   self[idx]

	idxӥåܤåȤƤ1, åȤƤʤ
	0֤.

   chr

	ο򥳡ɤȤʸޤ1ʸʸ֤. ̤
	Ĺ1ʾʸˤĤ, δطΩ.

		str[0].chr == str[0,1]

	ʸϰ(0..255)ˤʤ㳰ȯ.

   is_integer

	Ĥ⿿֤.

*** IO(饹)

ϤΤδܥ饹.

SuperClass: Object

Included Modules: Enumerable

Methods:

   self << object

        objectϤ. objectʸǤʤˤϥ᥽åto_sѤ
        ʸѴ. selfͤȤΤ, C++Τ褦`<<'
        ϢȤ.

        :

            $stdout << 1 << " is a " << Fixnum << "\n"

   close

        ϥݡȤ򥯥. ʸΤΥ֥ȤФ
        ϥ顼ˤʤ.

   each

        Ԥɤ߹Ǥ뤿Υƥ졼. Ԥζڤϥƥ
        `$/'ˤäѹǤ. ɤ߹ʸϥƥѿ`$_'
        ⥻åȤ.

   each_byte()

        ʸɤ߹Ǥ뤿Υƥ졼. ʸʸɤɽ
        FixnumǤ.

   fileno
   to_i

        IO֥ȤȤäƤեǥץ(Fixnum)֤.

   flush

        Хåեեå夹.

   getc

        ɤ߹, ɤ߹ߤˤϤʸ֤. ե
        νãˤnil֤. ͥ᥽ågetc() 
        $stdin.getcƱ̣Ǥ.

   gets

        ɤ߹, ɤ߹ߤˤϤʸ֤. ե
        νãˤnil֤.

   isatty

        ϥݡȤttyǤ, ֤.

   puts(obj)

        objϤ. self << objפƱ̣Ǥ.

   read([length])

        lengthХɤ߹, ʸ֤. lengthά줿
        ˤ, ƤΥǡɤ߹.

   readlines

	եɤ߹ǳƹԤǤȤƤ֤.

   sync

	ߤνƱ⡼ɤ򿿵֤ͤ. Ʊ⡼ɤλϽϴ
	θƽ˥Хåեեå夵.

   sync=(newstate)

        Ʊ⡼ɤꤹ.

   sysread(length)

        stdioͳread(2)ѤϤԤʤ. Ϥ줿ǡ
        ޤʸ֤. եνãˤnil֤.
        read(2)ˤɬlengthХȤʸɤ߹ޤ櫓
        ǤϤʤ. gets()getc()ʤstdioͳ᥽åɤȺѤ
        ȤϥХåե󥰤ʤɤǻפư򤹤뤳Ȥ.

   syswrite(str)

        stdioͳ, write(2)ѤƽϤԤʤ. Υ᥽å
        ϥХåե󥰤ʤstdioƤ뤳ȤϰڹԤʤʤ.
        syswriteϼºݤ˽񤭹Хȿ֤. print()printf() 
        syswrite()ѤΤϿ侩Ǥʤ.

   write(str)

        strϤ. ϤХȿ֤.

Single Methods:

   default

	printprintfΥǥեȤν֤. ͤ$stdout.

   default=(io)

	ǥեȤνꤹ.

*** Kernel(饹)

ƤΥ饹δ쥯饹. RubyȤ߹ߤƤδؿ᥽åɤϤΥ饹
Ƥ. ؿ᥽åɤˤĤƤϡִؿפιܤ򻲾ȤΤ.

SuperClass: ʤ

Methods:

   ! self

        . Non-nilΥ֥Ȥξ˵(nil)֤. Υ᥽
        ɤNil饹ǤϺ쿿֤.

   self == other
   equal(other)

        ֥ȤΰȽ. 쥷ФȰΰפ, 
        ֤. Kernel饹ǤΥ֥ȤƱλ
        . "=="᥽åɤϳƥ֥Ȥ˱ƺɬפ
        . "=="᥽åɤˤ, hash᥽åɤ⤽˹
        ƺɬפ.

        equal()᥽åɤ"=="᥽åɤ̾, "=="Ǥ
        ֥ȤƱȽԤʤѤ. ä
        equal()᥽åɤϥ֥饹Ǻ٤ǤϤʤ.

   self != other

        "==". "=="᥽åɤƤӽФƤΤ, Ϻ
        ɬפϤʤ.

   self =~ other

        ޥå. ǥեȤư"=="ƱǤ. "=~"caseӤ
        Ѥ.

   !~

        "=~". "=~"᥽åɤƤӽФƤΤ, Ϻ
        ɬפϤʤ.

   self :: other

        selfotherǤȤĹ2֤. Ȥ
        ̣ [self, other]ƱƯ򤹤뤬, 鷺˸
        Ψɤ. α黻ҤϱǤΤ, a::b::c  (a::(b::c))
        Ȳᤵ.

   is_nil

        ֥ȤnilǤ뤫ɤ. Kernel饹ǤϿ
        . Nil饹ǺƤ.

   id

        ƥ֥ȤФưդFixnum֤. , FixnumϼʬȤ
        Τ, idפƤƱ֥ȤǤ뤳Ȥݾڤʤ.
        Ĥޤ,

		obj1.id == obj2.id

	ΩƤ, ɤ餫FixnumǤ, obj1obj2ƱǤ
	Ȥϸ¤ʤ. , ξFixnumǤʤȤݾڤǤ, 2
	ĤΥ֥ȤƱǤ뤳Ȥϳμ¤Ǥ.

   hash

        ֥ȤΥϥå(Fixnum)֤. Dict饹ǥȤʤ
        ֥ȤǼΤѤƤ.A == BפΩ
        ɬA.hash == B.hashפΩɬפΤ, "=="
        ˤɬ⤽˹碌ƺ뤳.


*** Math(⥸塼)

ư黻򥵥ݡȤ륯饹. Math⥸塼ƱΥ᥽å
ðۥ᥽åɤȤξƤΤ, ðۥ᥽åɤƤӽФƻ
Ȥ, 饹˥󥯥롼ɤƻȤȤȤξǤ.

  :

        pi = Math.atan2(1, 1) * 4;
        include Math
        pi2 = atan2(1, 1)

Methods:
Single Methods:

   atan2(x, y)

        С-ФϰϤX/YΥ󥸥Ȥ֤.

   cos(x)
   sin(x)
   tan(x)

        饸ɽ줿xλѴؿ֤ͤ.

   exp(x)

        xλؿؿ֤ͤ.

   log(x)

        xμп֤.

   log10(x)

        xξп֤.

   sqrt(x)

        xʿ֤. xͤǤˤ㳰ȯ.

   cbrt(x)

        xΩ֤.

*** Module(饹)

⥸塼Υ饹.

SuperClass: Object

Private Methods:

   attr(name[, public])

	Υ⥸塼򥤥󥯥롼ɤ饹Υ󥹥󥹤Ф 
	nameǻꤵ°ղä, °Ф륢᥽åɤ
	. attr("attr")ϥ饹˰ʲ˼ɤɲä
	ȤۤƱǤ.

	  def attr; @attr; end

	άǽ2publicͿ, ĤͤnilǤʤ
	, °ˤ°᥽åɤѰդ, ǽ
	ʤ. attr("attr", %TRUE)ϥ饹˰ʲΥɤɲä
	ΤȤۤƱǤ.

	  def attr; @attr; end
	  def attr=(val); @attr = val; end

	°᥽åɤ뤳Ȥˤä, ư
	ѹǤ. 㤨

	  attr("test", %TRUE)
	  def test=(val)
	    print("test was ", @test, "\n")
	    print("and now is ", @test = val, "\n")
	  end

	Τ褦°ͤɽ褦ʤȤǽǤ. attr
	ϥ᥽åɤǤƤ, ǥեȤΥ
	᥽åɤʤ.

Methods:

   export(name[, name..])

	nameǻꤵ줿᥽åɤ̾ǸƤӽФǽˤ. Ǥ
	̾᥽åɤǤˤϲ⤷ʤ.

   to_s

        ⥸塼ʸɽ֤. ⥸塼ξʸɽϥ
        塼̾Ǥ.

   unexport(name[, name..])

	nameǻꤵ줿᥽åɤؿǤƤӽФǽˤ. 
	Ǥ˴ؿ᥽åɤǤˤϲ⤷ʤ.

*** Nil(饹)

ɽ֥nilΥ饹. ѿ()nilNil饹ͣΥ
󥹥󥹤Ǥ.

SuperClass: Kernel

Methods:

   self + other

	other, ư, ʸ, Ǥ, other֤.

   ! self

        ˿֤.

   is_nil

        ˿֤.

*** Numeric(饹)

̤ɽݥ饹.

SuperClass: Object

Included Modules: Comparable

Methods:

   + self

        ֥selfΤΤ֤

   - self

        0 - selfפ֤ͤ. ֥饹ǤΨŪ˺뤳
        ȤԤ.

   abs

	֤ͤ.

   divmod(other)

	Ⱦ;2Ǥ֤.

   next

	ο֤. οȤϤοۤǾǤ.

*** Object(饹)

Ƥ̾說饹Υѥ饹. ̾說饹Υ󥹥󥹤ΰŪʿ
Ƥ. Υ饹Υ֥饹Ǥʤ饹KernelNil, 
Ȥ߹ߴؿƤBuiltinǤ.

SuperClass: Builtin

Methods:

   is_member_of(class)

        ֥self饹classΥ󥹥󥹤Ǥ,֤.

   is_kind_of(class)

        ֥self饹classΥ֥饹Υ󥹥󥹤
        , ֤.

   clone

        ֥Ȥʣ. 󥹥󥹤¨ͤǤFixnum饹
        ʳΥ饹ξ,obj.equal(obj.clone)פϵǤ뤬, ¿
        ξobj == obj.cloneפϿǤ.

   to_s

        ֥Ȥʸɽ֤. Υ᥽åɤŪprint()
        format()᥽åɤѤƤ.

   to_a

	֥ȤѴ. ͥ륯饹Ƥ
	եȤ, Υ֥ȼȤޤ1Ǥ֤.

*** Process(⥸塼)

ץ˴ؤԤʤΥ⥸塼. Math⥸塼Ʊͤ
ƤΥ᥽åɤðۥ᥽åɤȤƤ̾Υ᥽åɤȤƤȤ. 
Processϥץ֥ȤΥ饹ǤϤʤ, ץΥ᥽
ɤޤȤ᤿ΤǤ뤳Ȥդ뤳.

Methods:
Single Methods:

   euid

	ץθߤμ¸UID֤.

   euid=(uid)

	ץθߤμ¸UIDuid˥åȤ.
	
   getpgrp([pid])

	pidǻꤵ줿ץ߽°Ƥץ롼פid
	֤. pidάpid0Ϳϸ߼¹ԤƤ
	оݤˤ.

   getpriority(which, who)

	whichwhoǻꤵץ, ץ롼, 桼θ
	̤֤ͥ. ܺ٤getpriority(2)򻲾. Process⥸塼
	ǤwhichȤƻǤ%PRIO_PROCESS, %PRIO_PGRP,
	%PRIO_USERƤ.

   pid

	ץΥץID֤. ϥƥѿ`$$'ͤƱ
	.

   ppid

	ƥץΥץΥץID֤. UNIXǤľܤοƥץ
	λ, ƥץpid1(initpid)ˤʤ.

   setpgrp(pid, pgrp)

	pidǻꤵ줿ץΥץ롼פpgrpˤ. pid0
	Ϳȸ߼¹Υץоݤˤ.

   setpriority(which, who, prio)

	whichwhoǻꤵץ, ץ롼, 桼θ
	̤ͥprioꤹ. ܺ٤setpriority(2)򻲾ȤΤ.

   uid

	ץθߤμUID֤.

   uid=

	ץθߤμUIDuid˥åȤ.

*** Range(饹)

ϰϥ֥ȤΥ饹. ϰϥ֥Ȥ`..'黻Ҥˤä, 
ŪˤϰʲΤ褦ʻȤ򤹤

        for i in 1..5
          ...
        end

, ξϰʲ®.

        do 1.upto(5)
          ...
        end

ϰϥ֥Ȥ`..'黻ҤξդComparableޤ९饹Υ
󥹥󥹤ǤвǤ⹽ʤ. ϰϤϻȽޤळȤդ
.

SuperClass: Object

Included Modules: Enumerable

Methods:

   self =~ other

        selfotherƱ饹Фϰϥ֥Ȥ, ϰ
        other(start <= other <= end),֤. caseʸ
        ϰϻꤹǤ.  㤨

            case i
              when 1, 3..5
                ...
            end case

        Τ褦ʥɤ񤯤ȤǤ.

   each

        ϰ¸ߤ륪֥ȤͿ륤ƥ졼. forʸΤ
        Ѥ.

   end

        ϰϤν֤

   start

        ϰϤλ֤.

*** Socket(饹)

SuperClass: BasicSocket

åȤΤΤФ륷ƥॳ٥Υ󶡤륯饹.
PerlΥåȤФ륢Ʊ٥εǽ󶡤Ƥ. Υ
Ǥϥåȥɥ쥹pack줿ʸ, ꤹ. UDPåȤϤ
Υ饹ȤäѤ.

Methods:

   accept

	³դ, ³Ф륽åȤȥɥ쥹
	ڥ֤. accept(2)򻲾.

   bind(addr)

	bind(2)ƱƯ򤹤. addrpack줿åȥɥ쥹¤
	ΤǤ.

   connect(addr)

	connect(2)ƱƯ򤹤. addrpack줿åȥɥ쥹
	¤ΤǤ.

   listen(backlog)

	listen(2)ƱƯ򤹤.

   recv(len[, flags])

	åȤǡ, ʸȤ֤. lenϼ
	Ĺꤹ. flagsˤĤƤrecv(2)򻲾. flagsΥ
	եͤ0Ǥ.

   recvfrom(len[, flags])

	recvƱͤ˥åȤǡ뤬, ͤʸ
	꥽åȤΥɥ쥹ΥڥǤ. ˤĤƤrecvƱ.

   send(mesg, flags[, to])

	åȤ𤷤ƥǡ롥flags˴ؤƤsend(2)򻲾Ȥλ
	connectƤʤåȤФƤǤtoꤹɬ
	פ롥ºݤäǡĹ֤

Single Methods:

   open(domain, type, protocol)
   new(domain, type, protocol)

	åȤ. domain, type, protocolϥ󥯥롼
	եƤͤǻꤹ. domaintype˴ؤ
	, ʸǻǤ뤬, ٤Ƥ򥫥СƤݾڤϤʤ.

   socketpair(domain, type, protocol)

	åȤΥڥ, 2ǤȤ֤. λ
	openƱǤ.
   
*** Regexp(饹)

ɽΥ饹. ɽΥƥ/.../Ȥɽ, ưŪ
뤿ˤ

        Regexp.new(ʸ)

Ȥ. , String饹`=~'ϤȤ¿Υ᥽åɤɽ
ؤʸͿ줿ˤŪɽΤ, 
Ȥ󤷤ȻפʳŪȻפȤϾʤ
.

SuperClass: Object

Methods:

   self =~ string

        ɽʸ˥ޥå, ޥå֤֤. ޥå
        ʤnil֤.

   ~ self

        $_ =~ selfפƱ.

Single Methods:

   complie(string)
   new(string)

        ʸɽѴ֥Ȥ֤.

*** BasicSocket(饹)

åȤɽݥ饹. Ūʥåϥ֥饹.
㤨Х󥿡ͥåȥɥᥤξTCPsocketѤ.

SuperClass: IO

Methods:

   getopt(level, optname)

	åȤΥץ. getsockopt(2)򻲾ȤΤ. 
	ץƤޤʸ֤.

   getpeername

	³ΥåȤξ. ѥå줿sockaddr¤
	٥˥פʸ֤. getpeername(2)򻲾ȤΤ.

   getsockname

	åȤξ. ѥå줿sockaddr¤Τ٥˥
	ʸ֤. getsockname(2)򻲾ȤΤ.

   setopt(level, optname, optval)

	åȤΥץꤹ. setsockopt(2)򻲾ȤΤ.

   shutdown(how)

	åȤΰʹߤ³λ. how0Ǥ, ʹߤμ,
	how1Ǥ, ʹߤݤ. how2λˤ, 
	ʹߤ, Ȥ˵ݤ. shutdown(2)򻲾.

*** String(饹)

ʸ󥯥饹. Rubyʸϥ̥륿ߥ͡ȤǤϤʤΤ, Хʥǡ
ⰷ. äƤɤ餫ȤñʤʸȤХǤ. 
λۤ˴Ť, ɽ˴ؤ᥽åɰʳ2byteϤʸռ
Ƥʤ. ϺԤμȴǤϤʤտŪˤƤΤǤ(
Ƥ).

SuperClass: Object

Included Modules: Comparable, Enumerable

Methods:

   self + other

        ʸϢ. Ϣ뤵줿ʸ֤.

   self * times

        ʸη֤. 㤨

            "x" * 4 == "xxxx"

        Ǥ.

   self == other
   self > other

        ʸ. ƥѿ$=nilǤʤˤʸʸ
        ̤ӤԤʤ.

   self =~ other

        ʸΥޥå. otherɽʸ. otherʸξ
        ưŪɽѴ. ޥåϥޥå, 
        ʤänil֤.

   ~ self

        $_ =~ selfפƱ.

   self[nth]
   self[beg..end]
   self[beg,len]

        ƤμФ. 1ܤηǤnthХܤΥǡFixnumȤ
        ֤. 2ܤηǤbegХܤendХܤޤǤʬʸ
        ֤(ξüޤ). 3ܤηǤbegХܤlenХ
        ʬʬʸ֤.

   self[nth] = val
   self[beg..end] = val
   self[beg,len] = val

        Ƥι. 1ܤηǤnthХܤΥǡval ()
        . 2ܤηbegХܤendХܤޤǤʬʸ
        valȤͿ줿ʸ֤. 3ܤηbeg
        ܤlenХʬʬʸvalȤͿ줿ʸ
        ֤.

   capitalize

	ʸκǽʸ(줬ե٥åȤǤ), ʸ
	Ѵ, ĤʸΥե٥åȤʸ֤.

   chop

        ʸκǸΥХȤڤȤ. ʸѹ뤳Ȥ
        դ뤳.

   crypt(salt)

        crypt(3)ѤưŹ沽ʸ֤. salt2ХȰʾĹ
        ǤդʸǤ.

   delete(str)

	ʸΤ, str˴ޤޤʸ. ʸλtr
	ƱͤǤ, a-babޤǤϰϤ, Ƭ^ʸ(
	ޤƤʤΤ)̣. ʸѹ뤳Ȥ
	դ뤳.

   downcase

        ʸΥե٥åȤƾʸ֤ʸ֤. 

   each

        ʸ󤫤1Ԥɤ߹Ǥ륤ƥ졼.

   each_byte

        ʸΤ줾ΥХȤˤĤƷ֤ƥ졼.

   gsub(pattern, replace)

        ʸpattern˥ޥåʬreplace֤. 
        ִʸreplace&\0ϥޥåʸ, \1..\9n
        γ̤Ƥ֤.

   hex

        ʸ16ʿɽʸȲᤷ, Ѵ.

   index(substr[, pos])

        substrǽ˽и֤֤. posͿȤΰ֤鸡
        򳫻Ϥ. Ĥʤˤnil֤.

   intern

	ʸ˰դб֤. ʸϥʥʸޤǤϤ
	ʤ.

   length
   size

        ʸĹ(Хȿ)֤.

   ljust(width)
   rjust(width)
   center(width)

	ʸ򤽤줾, ͤ, ͤ, 󤻤widthʸ
	֤. ʸĹwidthĹϸʸ֤, ڤ
	ʤ.

   next

        selfendޤǡּΡʸ֤. ʸȤϿϿ
        Ȥ,ʸϱʸȤä, 夬νԤʤ줿
        ΤǤ.

                "aa".next => "ab"
                "99".next => "100"
                "a9".next => "b0"

   oct

        ʸ8ʿɽʸȲᤷ, Ѵ.  8ʿ
        /[0-7]+/Ǥ, ʸƬ餳Υѥ˥ޥå
        ʬѴ. ƤϤޤʤʸФ
        Ƥ0֤. perlȤϰäʸ0xϤޤäƤ뤫Ȥ
         16ʿȸʤƤ줿Ϥʤ. Ƭ08ʿ
        ǧ, 0֤.

   reverse

        ʸγƥХȤս¤٤ʸ֤. ʸ2ХȤ
        ʸޤǤƤ⤪ʤ˥Хñ̤ȿž. 
        split2Хʸ򤹤Τ, 2Хʸޤʸʸ
        ñ̤ȿžˤ

                "ʸ".split(//).reverse.join("")

        ȤФ褤.

   rindex(substr[, pos])

        ʸsubstrǸ˽и֤֤. posͿȤΰ
        Ǹλ. Ĥʤˤnil֤. indexȤ
        1)ʸ鸡. 2)substrȤɽդ
        ʤ. 2Ǥ.

   split([sep[, limit]])

        ʸsepǻꤵ줿ѥˤä, եɤʬ䤹.
        sepά줿ΥǥեȤϥƥѿ`$;'ͤѤ
        . limitꤵ줿ˤϺlimitĤΥեɤʬ䤹.
        split()ʬ䤵줿ʸޤ֤. sepǻꤵ줿ѥ
        󤬶ʸȥޥåʸ1ʸĤʬ䤵.

   squeeze([str])

	ʸΤ, str˴ޤޤʸϢ³Ƥ, ʸ˰
	̤. strά줿, ٤ƤʸоݤȤ. ʸ
	λtrƱͤǤ, `a-b'abޤǤϰϤ, Ƭ`^'
	ʸ(ޤޤƤʤΤ)̣. ʸ
	뤳Ȥդ뤳.

   strip

	ʸζ.

   sub(pattern, replace)

        ʸpattern˥ޥåʬreplace֤. ִʸ
        replace&\0ϥޥåʸ, \1..\9 nܤγ
        Ƥ֤. sub()gsub()Ȱۤʤ, ǽΥޥå
        ִ.

   sum([bits])

	ʸbitsӥåȤΥå. άͤ16Ǥ. ruby
	ǤϰʲΥɤSystem V`sum'ץƱͤ.

	  while gets()
	    sum += $_.sum
	  end
	  sum %= 65536

   swapcase

        ʸΥե٥åȤΤʸʸ, ʸʸ
        ֤.

   to_f

        ʸFloatѴ.

   to_i

        ʸ10ʿɽʸȲᤷ, Ѵ.

   toupper

        ʸΥե٥åȤʸ֤ʸ֤.
        tr("a-z", "A-Z")꾯®.

   tolower

        ʸΥե٥åȤƾʸ֤ʸ֤. 
        tr("A-Z", "a-z")꾯®.

   tr(search, replace)

        ʸsearchʸ˴ޤޤʸ¸ߤ, replaceʸ
        бʸ֤. replaceʸ󤬾ά줿
        ϶ʸͿ줿ȸʤ. replaceʸsearchʸ
        ûreplaceʸκǸʸ֤Ƥȸ
        . searchʸûˤбʸΤʤreplace
        ñ̵뤵(BSDtrư).

	searchʸ, replaceʸ`a-b'Ȥ줿, 
	abޤǤϰϤʸASCIIξǻꤷȤˤʤ.  
	, searchʸκǽʸ`^'Ǥ, ³ʸ*ޤ
	ʤ*ʸִоݤˤʤ.

	tr(1)εǽΤ, ʸ뵡ǽ, Ϣ³ʸ򰵽̤
	ǽ̤Υ᥽åɤʬ䤵Ƥ. εǽˤĤƤ
	delete, squeeze򻲾ȤΤ.

	ؤΤ, str.tr(src,repl).squeeze(repl)᥽å
	tr_s(src,repl) 󶡤Ƥ.

   unpack(template)

        ʸtemplateʸˤäƥѥå, Ǥ
        ޤ֤. templateʸArray饹pack᥽åɤȤ
        ƱͤǤ.

          a     ASCIIʸ(³nullʸ䥹ڡĤ)
          A     ASCIIʸ(³nullʸ䥹ڡ)
          b     ӥåȥȥ(̥ӥåȤ̥ӥå)
          B     ӥåȥȥ(̥ӥåȤ鲼̥ӥå)
          h     16ʸ(̥˥֥뤬)
          H     16ʸ(̥˥֥뤬)
          c     char
          C     unsigned char
          s     sort
          S     unsigned sort
          i     int
          I     unsigned int
          l     long
          L     unsigned int
          n     ͥåȥХȥshort
          N     ͥåȥХȥlong
          f     ñư(¸)
          d     ư(¸)
          x     1ХɤФ
          X     1Хȸ
          @     а֤ؤΰư

	rubyunpackperlȰäƥåη׻ǽʤȤ
	դ뤳.


   upcase

        ʸΥե٥åȤʸ֤ʸ֤.

   upto(end)

        selfϤޤä, endޤǡּΡʸͿ륤ƥ졼. 
        ʸȤstr.nextͿʸǤ.

        Υ᥽åɤRange:eachѤƤΤ, ʲΤ褦ʽ
        ǽǤ.

                for i in "a" .. "ba"
                  print(i, "\n");
                end

        a, b, c, .. aa, .. az, baޤǤƹԤ˽Ϥ.
        

        դʤФʤΤ, νλȽ羮طǤϤʤ 
        `=='ȽꤵƤ뤿, `..'黻Ҥκդͤ³ʸ˱
        դʸ󤬴ޤޤƤʤ, ʲΤ褦ʾ̵¥롼פ
        ٤äƤޤ.

                for i in "0" .. "1a"
                  print(i, "\n");
                end

        ԤϤ񤯤ȤˤäǤƨƤ褦ȤƤȹͤ
        ⤤뤫⤷ʤ. ο¬.

Single Methods:

   new(string)

	stringƱƤĿʸ֤.

*** Struct(饹)

¤Υ饹. ʣΥǡޤȤѤ(: Time::times). 
ǡޤȤˤ󥯥饹Ѥ뤳Ȥ⤢뤬(: select),
¤ΤȤ٤ϰʲΤ褦ʾǤ.

  (1) Ǥο

      ǤοưΤϹ¤ΤȤΤˤϸʤ.

  (2) Ǥο¿

      ʹ֤٤ưפ˰복ǰο7ĤޤǤǤȤ⤬. 
      β˽, Ǥ4İʾ夢ǡξѤ
      , ǿ*2(ĤޤꥪեåȤȤΰ̣)7ۤ. ä, 
      Τ褦ʾˤϹ¤ΤȤä򤷤䤹Ȼפ.

  (3) Ʊ̤ʤ

      ¤Τ㴳Ȥ⤤Τ, ®٤ˤʤ 
      (㤨Ʊ̤ʤ)Ϲ¤ΤλѤŬڤǤʤ
      ǽ.

ƹ¤Τˤϥ̾Ʊ̾ΰΤʤ᥽åɤ.

ܥɥ, ¤Τɽ뤿ˤϰʲηȤ.

  struct ¤̾
     ...
  end

, ץǤηǹ¤Τ櫓ǤϤʤ.

SuperClass: Object

Included Modules: Enumerable

Methods:

   self[idx]

	idxλidxܤǤ֤. idxʸλidxƱ̾
	ΥФǤ֤.

   values

	¤ΤΥФͤǤ˻֤. 㤨аʲΥɤ
	ʬpasswdȥϤ뤳ȤǤ.

	  print(Etc.getpwuid().values.join(":"), "\n")

	νϤ`grep "$USER" /etc/passwd'νϤ;ʬʥեɤ
	Ĥ(ƥˤäưۤʤ)ʳƱǤ.

Single Methods:

   new(name, member::value...)

	nameȤ̾Ĺ¤Τ. memberϹ¤ΤΥФ
	ɽʸǤ, valueϤͤǤ. 줿¤Τϥ
	Фǻꤵ줿̾ðۥ᥽åɤƤ, Υ᥽å
	ˤäƥФƤ뤳ȤǤ.

*** TCPserver(饹)

TCP/IPȥ꡼෿³Υ¦ΥåȤΥ饹. Υ饹ˤä
ñ˥åȤѤФΥץߥ󥰤Ǥ. 㤨echo
ФϰʲΤ褦ˤʤ.

 gs = TCPserver.open(4444)
 socks = [gs]

 while %TRUE
   nsock = select(socks);
   if nsock == nil; continue end
   for s in nsock[0]
     if s == gs
       socks.push(s.accept)
     else
       if s.eof
 	 s.close
	 socks.delete(s)
       else
	 str = s.gets
	 s.write(str)
       end
     end
   end
 end

SuperClass: TCPsocket

Methods:

   accept

	饤Ȥ³׵դ, ³TCPsocketΥ
	󥹤֤.

Single Methods:

   new([host, ]service)
   open([host, ]service)

	service/etc/services(ޤNIS)ϿƤ륵ӥ̾
	ݡֹǻꤹ. hostꤷϻꤷۥȤ
	³դ. άƤΥۥȤ³׵
	.

*** TCPsocket

󥿡ͥåȥɥᥤΥȥ꡼෿åȤΥ饹. ̾IO饹
֥饹ƱͤϤǤ. Υ饹ˤäƥåȤѤ
饤Ȥñ˵ҤǤ. 桼Ϥ򤽤ΤޤޥФž
ϰʲΤ褦ˤʤ.

 s = TCPsocket("localhost", 4444)
 while gets()
   s.write($_)
   print(s.read)
 end

SuperClass: BasicSocket

Methods:

   addr

	åȤ³ɽ֤. γǤ1
	ʸ "AF_INET", 2Ǥportֹ, 3ǤۥȤɽʸ
	Ǥ.

   peeraddr

	³襽åȤξɽ֤. γǤ
	addr᥽åɤ֤ƱǤ.

Single Methods:

   open(host, service)
   new(host, service)

	hostǻꤷۥȤserviceǻꤷݡȤ³
	Ȥ֤. hostϥۥ̾, ޤϥ󥿡ͥåȥɥ쥹򼨤ʸ
	, service/etc/services(ޤNIS)ϿƤ륵
	̾ݡֹǤ.

*** Time(饹)

֤ɽ饹. 羮ӤʤɤǤ. Time.nowǸߤλ֤뤳
Ǥ. ޤեΥॹפ᥽åɤͤ⤳Υ
Υ󥹥󥹤Ǥ.

SuperClass: Object

Included Modules: Comparable

Methods:

   self <=> other

        otherTimeΥ󥹥󥹤. Ϳ줿
        ˤ1970ǯ 1 1 00:00:00 GMTÿǤ
        ƻȤӤԤʤ.

   asctime
   ctime
   to_s

        date(1)ʸѴ.

   gmtime

        ॾνԤʤʤGMTǤλ. Υ᥽å
        ȤäTime饹Υ󥹥󥹤, ʸλѴGMT
        Ԥʤ. gmtimeϼʬȤ֤.

	ɥλɽˤ

	  print(Time.now.gmtime, "\n")

	ȤФ褤.

   localtime

        ॾνԤʤä(ǥե). localtime
        ϼʬȤ֤.

   to_i
   tv_sec

        1970ǯ 1 1 00:00:00 GMTޤǤÿ֤. 
        secondʬǤ⤢.

   sec
   min
   hour
   mday
   year
   wday
   yday
   zone
   isdst

        ŪݻƤtm¤ΤƤ֤. zoneʳ֤. 
        zoneϥॾɽʸ֤. (cf localtime(3))

   strftime(format)

        formatʸ˽äʸѴ̤֤.  format
        ʸȤƻǤΤ ʲ̤Ǥ.

                %A      ̾(Sunday, Monday,...)
                %a      ξά̾(Sun, Mon,...)
                %B      ̾(January, February,...)
                %b      ξά̾(Jan, Feb,...)
                %c      ɽ(cf ctime(3))
                %d      ʿǤ(01-31)
                %H      24λ(00-23)
                %I      12λ(01-12)
                %j      ǯ̻(001-366)
                %M      ʬ(00-59)
                %m      ɽ(01-12)
                %p      ޤϸ(AM,PM)
                %S      (00-61)
                %U      ɽ. ǽ1
                        Ϥޤ(00-53)
                %W      ɽ. ǽη1
                        Ϥޤ(00-53)
                %w      ɽ. 0(0-6)
                %X      (: 15:01:06)
                %x      (: Fri Jan 14 1994)
                %Y      ɽ
                %y      β2(00-99)
                %Z      ॾ
                %%      % 

   usec
   tv_usec

        micro secondʬ֤.

Single Methods:

   now

        ߤλɽTime饹Υ󥹥󥹤.

   at(time)

        timeƱɽTime饹Υ󥹥󥹤. time
        Time饹Υ󥹥󥹤뤤Ͽ(/ư)Ǥ, 
        ξ1970ǯ 1 1 00:00:00 GMTÿǤȤƻ
        ׻.

   times

        ߤΥץȤλҥץ񤷤桼/ƥCPU
        ѻ¤ΤȤ֤(Struct򻲾).

	  struct tms
	    utime	# ץΥ桼
	    stime	# ץΥƥ
	    cutime	# ҥץΥ桼
	    cstime	# ҥץΥƥ
	  end

	֤ñ̤äǤ, ưͿ. ܺ٤
        times(3)򻲾ȤΤ.

*** UNIXserver

UNIXȥ꡼෿³Υ¦ΥåȤΥ饹.

SuperClass: UNIXsocket

Methods:

   accept

	饤Ȥ³׵դ, ³UNIXsocketΥ
	󥹤֤.

*** UNIXsocket

UNIXɥᥤΥȥ꡼෿åȤΥ饹. ̾IO饹Υ֥饹
ƱͤϤǤ.

SuperClass: BasicSocket

Methods:

   addr

	åȤ³ɽ֤. γǤ1
	ʸ "AF_UNIX", 2ǤpathǤ.

   path

	UNIXåȤΥѥ֤.

   peeraddr

	³襽åȤξɽ֤. γǤ
	addr᥽åɤ֤ƱǤ.

Single Methods:

   open(path)
   new(path)

	pathǻꤷѥ̾Ѥ³åȤ֤.

-------------------------------------------------------
Local variables:
fill-column: 70
end:
