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ruby--ruby/doc/irb/irb.rd.jp
knu f8ab487e4d Initial revision 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1337 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2001-04-30 17:38:21 +00:00

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irb -- interactive ruby
$Release Version: 0.6 $
$Revision$
$Date$
by Keiju ISHITSUKA(keiju@ishitsuka.com)
==begin
= irb$B$H$O(B?
irb$B$O(Binteractive ruby$B$NN,$G$9(B. ruby$B$N<0$rI8=`F~NO$+$i4JC1$KF~NO(B/$B<B9T$9(B
$B$k$?$a$N%D!<%k$G$9(B.
= $B5/F0(B
% ruby -r irb -e0
% irb
$B$N$$$:$l$+$G9T$J$$$^$9(B. $BA0<T$N>l9g(Birb$B$X$N%*%W%7%g%s;XDj$O(B, $B0J2<$N$h$&$K(B
$B$J$j$^$9(B.
% ruby -r irb -e0 -- -v
= $B;H$$J}(B
irb$B$N;H$$J}$O(B, Ruby$B$5$(CN$C$F$$$l$P$$$?$C$F4JC1$G$9(B. $B4pK\E*$K$O(B irb $B$H(B
$B$$$&%3%^%s%I$r<B9T$9$k$@$1$G$9(B. irb$B$r<B9T$9$k$H(B, $B0J2<$N$h$&$J%W%m%s%W(B
$B%H$,I=$l$F$-$^$9(B. $B8e$O(B, ruby$B$N<0$rF~$l$F2<$5$$(B. $B<0$,407k$7$?;~E@$G<B9T(B
$B$5$l$^$9(B.
dim% irb
irb(main):001:0> 1+2
3
irb(main):002:0> class Foo
irb(main):003:1> def foo
irb(main):004:2> print 1
irb(main):005:2> end
irb(main):006:1> end
nil
irb(main):007:0>
$B$^$?(B, irb$B$O(BReadline$B%b%8%e!<%k$K$bBP1~$7$F$$$^$9(B. Readline$B%b%8%e!<%k$,(B
$B%$%s%9%H!<%k$5$l$F$$$k;~$K$O(B, $B$=$l$r;H$&$N$,I8=`$NF0:n$K$J$j$^$9(B.
= $B%3%^%s%I%*%W%7%g%s(B
irb.rb [options] file_name opts
options:
-f ~/.irbrc $B$rFI$_9~$^$J$$(B.
-m bc$B%b!<%I(B($BJ,?t(B, $B9TNs$N7W;;$,$G$-$k(B)
-d $DEBUG $B$r(Btrue$B$K$9$k(B(ruby -d $B$HF1$8(B)
-r load-module ruby -r $B$HF1$8(B.
--inspect $B7k2L=PNO$K(Binspect$B$rMQ$$$k(B(bc$B%b!<%I0J30$O%G%U%)%k%H(B).
--noinspect $B7k2L=PNO$K(Binspect$B$rMQ$$$J$$(B.
--readline readline$B%i%$%V%i%j$rMxMQ$9$k(B.
--noreadline readline$B%i%$%V%i%j$rMxMQ$7$J$$(B. $B%G%U%)%k%H$NF0:n$O(B,
inf-reuby-mode$B0J30$G(Breadline$B%i%$%V%i%j$rMxMQ$7$h$&(B
$B$H$9$k(B.
--prompt prompt-mode
--prompt-mode prompt-mode
$B%W%m%s%W%H%b!<%I$r@ZBX$($^$9(B. $B8=:_Dj5A$5$l$F$$$k%W(B
$B%m%s%W%H%b!<%I$O(B, defalut, simple, xmp, inf-ruby$B$,(B
$BMQ0U$5$l$F$$$^$9(B. $B%G%U%)%k%H$O(Bdefault$B%W%m%s%W%H%b!<(B
$B%I$K$J$C$F$$$^$9(B.
--inf-ruby-mode emacs$B$N(Binf-ruby-mode$BMQ$N%W%m%s%W%HI=<($r9T$J$&(B. $BFC(B
$B$K;XDj$,$J$$8B$j(B, readline$B%i%$%V%i%j$O;H$o$J$/$J$k(B.
--simple-prompt
$BHs>o$K%7%s%W%k$J%W%m%s%W%H$rMQ$$$k%b!<%I$G$9(B.
--noprompt $B%W%m%s%W%HI=<($r9T$J$o$J$$(B.
--tracer $B%3%^%s%I<B9T;~$K%H%l!<%9$r9T$J$&(B.
--back-trace-limit n
$B%P%C%/%H%l!<%9I=<($r%P%C%/%H%l!<%9$NF,$+$i(B n, $B8e$m(B
$B$+$i(Bn$B$@$19T$J$&(B. $B%G%U%)%k%H$O(B16
--irb_debug n irb$B$N%G%P%C%0%G%P%C%0%l%Y%k$r(Bn$B$K@_Dj$9$k(B($BMxMQ$7$J(B
$B$$J}$,L5Fq$G$7$g$&(B).
-v, --version irb$B$N%P!<%8%g%s$rI=<($9$k(B
= $B%3%s%U%#%.%e%l!<%7%g%s(B
irb$B5/F0;~$K(B``~/.irbrc''$B$rFI$_9~$_$^$9(B. $B$b$7B8:_$7$J$$>l9g$O(B,
``.irbrc'', ``irb.rc'', ``_irbrc'', ``$irbrc''$B$N=g$K(Bload$B$r;n$_$^$9(B.
$B%*%W%7%g%s$r@_Dj$9$kBe$o$j$K(B, $B0J2<$N%3%^%s%I$G$b%G%U%)%k%H$NF0:n$r@_Dj(B
$B$G$-$^$9(B.
IRB.conf[:IRB_NAME]="irb"
IRB.conf[:MATH_MODE]=false
IRB.conf[:USE_TRACER]=false
IRB.conf[:USE_LOADER]=false
IRB.conf[:IGNORE_SIGINT]=true
IRB.conf[:IGNORE_EOF]=false
IRB.conf[:INSPECT_MODE]=nil
IRB.conf[:IRB_RC] = nil
IRB.conf[:BACK_TRACE_LIMIT]=16
IRB.conf[:USE_LOADER] = false
IRB.conf[:USE_READLINE] = nil
IRB.conf[:USE_TRACER] = false
IRB.conf[:IGNORE_SIGINT] = true
IRB.conf[:IGNORE_EOF] = false
IRB.conf[:PROMPT_MODE] = :DEFALUT
IRB.conf[:PROMPT] = {...}
IRB.conf[:DEBUG_LEVEL]=0
IRB.conf[:VERBOSE]=true
== $B%W%m%s%W%H$N@_Dj(B
$B%W%m%s%W%H$r%+%9%?%^%$%:$7$?$$;~$K$O(B,
IRB.conf[:PROMPT]
$B$rMQ$$$^$9(B. $BNc$($P(B, .irbrc$B$NCf$G2<$N$h$&$J<0$r5-=R$7$^$9(B:
IRB.conf[:PROMPT][:MY_PROMPT] = { # $B%W%m%s%W%H%b!<%I$NL>A0(B
:PROMPT_I => nil, # $BDL>o$N%W%m%s%W%H(B
:PROMPT_S => nil, # $BJ8;zNs$J$I$N7QB39T$N%W%m%s%W%H(B
:PROMPT_C => nil, # $B<0$,7QB3$7$F$$$k;~$N%W%m%s%W%H(B
:RETURN => " ==>%s\n" # $B%j%?!<%s;~$N%W%m%s%W%H(B
}
$B%W%m%s%W%H%b!<%I$r;XDj$7$?$$;~$K$O(B,
irb --prompt my-prompt
$B$G$=$N%W%m%s%W%H%b!<%I$G5/F0$5$l$^$9(B. $B$^$?$O(B, .irbrc$B$K2<<0$r5-=R$7$F$b(B
OK$B$G$9(B.
IRB.conf[:PROMPT_MODE] = :MY_PROMPT
PROMPT_I, PROMPT_S, PROMPT_C$B$O(B, $B%U%)!<%^%C%H$r;XDj$7$^$9(B.
%N $B5/F0$7$F$$$k%3%^%s%IL>$,=PNO$5$l$k(B.
%m main$B%*%V%8%'%/%H(B(self)$B$,(Bto_s$B$G=PNO$5$l$k(B.
%M main$B%*%V%8%'%/%H(B(self)$B$,(Binspect$B$5$l$F=PNO$5$l$k(B.
%l $BJ8;zNsCf$N%?%$%W$rI=$9(B(", ', /, ], `]'$B$O(B%w$B$NCf$N;~(B)
%NNi $B%$%s%G%s%H$N%l%Y%k$rI=$9(B. NN$B$O?t;z$,F~$j(Bprintf$B$N(B%NNd$B$HF1$8(B. $B>J(B
$BN,2DG=(B
%NNn $B9THV9f$rI=$7$^$9(B.
%% %
$BNc$($P(B, $B%G%U%)%k%H$N%W%m%s%W%H%b!<%I$O(B:
IRB.conf[:PROMPT_MODE][:DEFAULT] = {
:PROMPT_I => "%N(%m):%03n:%i> ",
:PROMPT_S => "%N(%m):%03n:%i%l ",
:PROMPT_C => "%N(%m):%03n:%i* ",
:RETURN => "%s\n"
}
$B$H$J$C$F$$$^$9(B.
RETURN$B$O(B, $B8=:_$N$H$3$m(Bprintf$B7A<0$G$9(B. $B>-Mh;EMM$,JQ$o$k$+$bCN$l$^$;$s(B.
== $B%5%V(Birb$B$N@_Dj(B
$B%3%^%s%I%i%$%s%*%W%7%g%s$*$h$S(BIRB.conf$B$O(B($B%5%V(B)irb$B5/F0;~$N%G%U%)%k%H$N(B
$B@_Dj$r7h$a$k$b$N$G(B, `5. $B%3%^%s%I(B'$B$K$"$k(Bconf$B$G8DJL$N(B($B%5%V(B)irb$B$N@_Dj$,$G(B
$B$-$k$h$&$K$J$C$F$$$^$9(B.
IRB.conf[:IRB_RC]$B$K(Bproc$B$,@_Dj$5$l$F$$$k$H(B, $B%5%V(Birb$B$r5/F0$9$k;~$K$=$N(B
proc$B$r(Birb$B$N%3%s%F%-%9%H$r0z?t$H$7$F8F$S=P$7$^$9(B. $B$3$l$K$h$C$F8DJL$N%5(B
$B%V(Birb$B$4$H$K@_Dj$rJQ$($k$3$H$,$G$-$k$h$&$K$J$j$^$9(B.
= $B%3%^%s%I(B
irb$B3HD%%3%^%s%I$O(B, $B4JC1$JL>A0$HF,$K(B`irb_'$B$r$D$1$?L>A0$HN>J}Dj5A$5$l$F(B
$B$$$^$9(B. $B$3$l$O(B, $B4JC1$JL>A0$,(Boverride$B$5$l$?;~$N$?$a$G$9(B.
--- exit, quit, irb_exit
$B=*N;$9$k(B.
$B%5%V(Birb$B$N>l9g(B, $B$=$N%5%V(Birb$B$r=*N;$9$k(B.
cb$B$7$F$$$k>l9g(B, $B$=$N%P%$%s%G%#%s%0$N%b!<%I$r=*N;$9$k(B.
--- conf, irb_context
irb$B$N8=:_$N@_Dj$rI=<($9$k(B. $B@_Dj$NJQ99$O(B, conf$B$K%a%C%;!<%8$rAw$k$3(B
$B$H$K$h$C$F9T$J$($k(B.
--- conf.back_trace_limit
$B%P%C%/%H%l!<%9I=<($r%P%C%/%H%l!<%9$NF,$+$i(Bn, $B8e$m$+$i(Bn$B$@$19T$J$&(B.
$B%G%U%)%k%H$O(B16
--- conf.debug_level = N
irb$BMQ$N%G%P%C%0%l%Y%k$N@_Dj(B
--- conf.ignore_eof = true/false
^D$B$,F~NO$5$l$?;~$NF0:n$r@_Dj$9$k(B. true$B$N;~$O(B^D$B$rL5;k$9$k(B, false$B$N(B
$B;~$O(Birb$B$r=*N;$9$k(B.
--- conf.ignore_sigint= true/false
^C$B$,F~NO$5$l$?;~$NF0:n$r@_Dj$9$k(B. false$B;~$O(B, irb$B$r=*N;$9$k(B. true$B$N(B
$B;~$NF0:n$O0J2<$N$h$&$K$J$k(B:
$BF~NOCf(B: $B$3$l$^$GF~NO$7$?$b$N$r%-%c%s%;%k$7%H%C%W%l%Y%k$KLa$k(B.
$B<B9TCf(B: $B<B9T$rCf;_$9$k(B.
--- conf.inf_ruby_mode = true/false
inf-ruby-mode$BMQ$N%W%m%s%W%HI=<($r9T$J$&(B. $B%G%U%)%k%H$O(Bfalse.
--- conf.inspect_mode = true/false/nil
$B%$%s%9%Z%/%H%b!<%I$r@_Dj$9$k(B.
true: $B%$%s%9%Z%/%H$7$FI=<($9$k(B.
false: $BDL>o$N(Bprint$B$GI=<($9$k(B.
nil: $BDL>o%b!<%I$G$"$l$P(B, inspect mode$B$H$J$j(B, math$B%b!<%I$N;~$O(B, non
inspect mode$B$H$J$k(B.
--- conf.irb_level
$B;2>H$N$_(B. irb$B$,2?CJ(Bcb$B$7$F$$$k$+(B?
--- conf.math_mode
$B;2>H$N$_(B. bc$B%b!<%I(B($BJ,?t(B, $B9TNs$N7W;;$,$G$-$^$9(B)$B$+$I$&$+(B?
--- conf.use_loader = true/false
load/require$B;~$K(Birb$B$N(Bfile$BFI$_9~$_5!G=$rMQ$$$k%b!<%I$N%9%$%C%A(B($B%G%U%)(B
$B%k%H$OMQ$$$J$$(B). $B$3$N%b!<%I$O(BIRB$BA4BN$KH?1G$5$l$k(B.
--- conf.prompt_c
if$B$ND>8e$J$I(B, $B9T$,7QB3$7$F$$$k;~$N%W%m%s%W%H(B.
--- conf.prompt_i
$BDL>o$N%W%m%s%W%H(B.
--- conf.prompt_s
$BJ8;zNsCf$J$I$rI=$9%W%m%s%W%H(B.
--- conf.rc
~/.irbrc$B$rFI$_9~$s$@$+$I$&$+(B?
--- conf.use_prompt = true/false
$B%W%m%s%W%HI=<($9$k$+$I$&$+(B? $B%G%U%)%k%H$G$O%W%m%s%W%H$rI=<($9$k(B.
--- conf.use_readline = true/false/nil
readline$B$r;H$&$+$I$&$+(B?
true: readline$B$r;H$&(B.
false: readline$B$r;H$o$J$$(B.
nil: ($B%G%U%)%k%H(B)inf-reuby-mode$B0J30$G(Breadline$B%i%$%V%i%j$rMxMQ$7$h(B
$B$&$H$9$k(B.
--- conf.verbose=T/F
irb$B$+$i$$$m$$$m$J%a%C%;!<%8$r=PNO$9$k$+(B?
--- cb, irb_change_binding [obj]
$B%m!<%+%kJQ?t$N%9%3!<%W$,0c$&?7$?$J(Bbinding$B$K0\$k(B. obj$B$,;XDj$5$l$?(B
$B;~$O(B, $B$=$N(Bobj$B$r(Bself$B$H$9$k(B.
--- irb [obj]
$B%5%V(Birb$B$rN)$A$"$2$k(B. obj$B$,;XDj$5$l$?;~$O(B, $B$=$N(Bobj$B$r(Bself$B$H$9$k(B.
--- jobs, irb_jobs
$B%5%V(Birb$B$N%j%9%H(B
--- fg n, irb_fg n
$B;XDj$7$?%5%V(Birb$B$K%9%$%C%A$9$k(B. n$B$O(B, $B<!$N$b$N$r;XDj$9$k(B.
irb$BHV9f(B
$B%9%l%C%I(B
irb$B%*%V%8%'%/%H(B
self(irb obj$B$G5/F0$7$?;~$N(Bobj)
--- kill n, irb_kill n
$B%5%V(Birb$B$r(Bkill$B$9$k(B. n$B$O(Bfg$B$HF1$8(B.
= $B%7%9%F%`JQ?t(B
_ $BA0$N7W;;$N<B9T7k2L$r3P$($F$$$k(B($B%m!<%+%kJQ?t(B).
= $B;HMQNc(B
$B0J2<$N$h$&$J46$8$G$9(B.
dim% ruby irb.rb
irb(main):001:0> irb # $B%5%V(Birb$B$NN)$A$"$2(B
irb#1(main):001:0> jobs # $B%5%V(Birb$B$N%j%9%H(B
#0->irb on main (#<Thread:0x400fb7e4> : stop)
#1->irb#1 on main (#<Thread:0x40125d64> : running)
nil
irb#1(main):002:0> fg 0 # job$B$N%9%$%C%A(B
nil
irb(main):002:0> class Foo;end
nil
irb(main):003:0> irb Foo # Foo$B$r%3%s%F%-%9%H$7$F(Birb
# $BN)$A$"$2(B
irb#2(Foo):001:0> def foo # Foo#foo$B$NDj5A(B
irb#2(Foo):002:1> print 1
irb#2(Foo):003:1> end
nil
irb#2(Foo):004:0> fg 0 # job$B$r%9%$%C%A(B
nil
irb(main):004:0> jobs # job$B$N%j%9%H(B
#0->irb on main (#<Thread:0x400fb7e4> : running)
#1->irb#1 on main (#<Thread:0x40125d64> : stop)
#2->irb#2 on Foo (#<Thread:0x4011d54c> : stop)
nil
irb(main):005:0> Foo.instance_methods # Foo#foo$B$,$A$c$s$HDj5A$5(B
# $B$l$F$$$k(B
["foo"]
irb(main):006:0> fg 2 # job$B$r%9%$%C%A(B
nil
irb#2(Foo):005:0> def bar # Foo#bar$B$rDj5A(B
irb#2(Foo):006:1> print "bar"
irb#2(Foo):007:1> end
nil
irb#2(Foo):010:0> Foo.instance_methods
["bar", "foo"]
irb#2(Foo):011:0> fg 0
nil
irb(main):007:0> f = Foo.new
#<Foo:0x4010af3c>
irb(main):008:0> irb f # Foo$B$N%$%s%9%?%s%9$G(Birb$B$r(B
# $BN)$A$"$2$k(B.
irb#3(#<Foo:0x4010af3c>):001:0> jobs
#0->irb on main (#<Thread:0x400fb7e4> : stop)
#1->irb#1 on main (#<Thread:0x40125d64> : stop)
#2->irb#2 on Foo (#<Thread:0x4011d54c> : stop)
#3->irb#3 on #<Foo:0x4010af3c> (#<Thread:0x4010a1e0> : running)
nil
irb#3(#<Foo:0x4010af3c>):002:0> foo # f.foo$B$N<B9T(B
nil
irb#3(#<Foo:0x4010af3c>):003:0> bar # f.bar$B$N<B9T(B
barnil
irb#3(#<Foo:0x4010af3c>):004:0> kill 1, 2, 3# job$B$N(Bkill
nil
irb(main):009:0> jobs
#0->irb on main (#<Thread:0x400fb7e4> : running)
nil
irb(main):010:0> exit # $B=*N;(B
dim%
= $B;HMQ>e$N@)8B(B
irb$B$O(B, $BI>2A$G$-$k;~E@(B($B<0$,JD$8$?;~E@(B)$B$G$NC`<!<B9T$r9T$J$$$^$9(B. $B$7$?$,$C(B
$B$F(B, ruby$B$rD>@\;H$C$?;~$H(B, $B<c430[$J$kF0:n$r9T$J$&>l9g$,$"$j$^$9(B.
$B8=:_L@$i$+$K$J$C$F$$$kLdBjE@$r@bL@$7$^$9(B.
== $B%m!<%+%kJQ?t$N@k8@(B
ruby$B$G$O(B, $B0J2<$N%W%m%0%i%`$O%(%i!<$K$J$j$^$9(B.
eval "foo = 0"
foo
--
-:2: undefined local variable or method `foo' for #<Object:0x40283118> (NameError)
---
NameError
$B$H$3$m$,(B, irb$B$rMQ$$$k$H(B
>> eval "foo = 0"
=> 0
>> foo
=> 0
$B$H$J$j(B, $B%(%i!<$r5/$3$7$^$;$s(B. $B$3$l$O(B, ruby$B$,:G=i$K%9%/%j%W%HA4BN$r%3%s(B
$B%Q%$%k$7$F%m!<%+%kJQ?t$r7hDj$9$k$+$i$G$9(B. $B$=$l$KBP$7(B, irb$B$O<B9T2DG=$K(B
$B$J$k(B($B<0$,JD$8$k(B)$B$H<+F0E*$KI>2A$7$F$$$k$+$i$G$9(B. $B>e5-$NNc$G$O(B,
evel "foo = 0"
$B$r9T$J$C$?;~E@$GI>2A$r9T$J$$(B, $B$=$N;~E@$GJQ?t$,Dj5A$5$l$k$?$a(B, $B<!<0$G(B
$BJQ?t(Bfoo$B$ODj5A$5$l$F$$$k$+$i$G$9(B.
$B$3$N$h$&$J(Bruby$B$H(Birb$B$NF0:n$N0c$$$r2r7h$7$?$$>l9g$O(B, begin...end$B$G3g$C$F(B
$B%P%C%AE*$K<B9T$7$F2<$5$$(B:
>> begin
?> eval "foo = 0"
>> foo
>> end
NameError: undefined local variable or method `foo' for #<Object:0x4013d0f0>
(irb):3
(irb_local_binding):1:in `eval'
== $B%R%"%I%-%e%a%s%H(B
$B8=:_$N$H$3$m%R%"%I%-%e%a%s%H$N<BAu$OIT40A4$G$9(B.
== $B%7%s%\%k(B
$B%7%s%\%k$G$"$k$+$I$&$+$NH=CG$r4V0c$($k$3$H$,$"$j$^$9(B. $B6qBNE*$K$O<0$,40N;(B
$B$7$F$$$k$N$K7QB39T$H8+$J$9$3$H$,$"$j$^$9(B.
==end
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