# \[Bug #1506\] irb$B$GF|K\\8l$rF~NO$G$-$J$$(B

**URL:** <https://www.ruby-forum.com/t/bug-1506-irb-b-gf-k-8l-rf-no-g-j-b/168647>\
**Category:** Development\
**Created:** [May 23, 2009, 12:27pm UTC](https://www.ruby-forum.com/t/bug-1506-irb-b-gf-k-8l-rf-no-g-j-b/168647 "2009-05-23T12:27:53Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Nobuhiro\_IMAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/n/9f8e36/32.png) [@Nobuhiro\_IMAI](https://www.ruby-forum.com/u/Nobuhiro_IMAI)\
**Post date:** [May 23, 2009, 12:27pm UTC](https://www.ruby-forum.com/t/bug-1506-irb-b-gf-k-8l-rf-no-g-j-b/168647/1 "2009-05-23T12:27:53Z")

</div>

Bug #1506: irbe$B$GF|K\8l$rF~NO$G$-$J$$e(B  
[http://redmine.ruby-lang.org/issues/show/1506](http://redmine.ruby-lang.org/issues/show/1506)

e$B5/I\<\<Te(B: Nobuhiro IMAI  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
ruby -v: ruby 1.9.2dev (2009-05-23 trunk 23548) [i686-linux]

[ruby-dev:36198]e$B$HF1$8$+$b$7$l$J$$$N$G$9$,!"e(BGNU  
readlinee$B$G$bF~NO=PMh$J$$$N$GJs9p$7$^$9!#e(B

$ uname -a  
Linux ribot 2.6.29-1-686 #1 SMP Fri Apr 17 14:35:16 UTC 2009 i686  
GNU/Linux  
$ ruby1.9 -v  
ruby 1.9.2dev (2009-05-23 trunk 23548) [i686-linux]  
$ echo $LANG  
ja\_JP.UTF-8  
$ irb1.9 -f  
irb(main):001:0\> **ENCODING**  
=\> #Encoding:UTF-8  
irb(main):002:0\> :e$B$“$”$"e(B  
/home/nov/ruby/lib/ruby/1.9.1/irb/ruby-lex.rb:539:in `block in  
lex\_int2’: invalid byte sequence in UTF-8 (ArgumentError)

irb(main):002:0\>  
e$B$N9T$O!Ve(B:e$B$“$”$"!W$HF~NO$7$F$k$D$b$j$J$N$G$9$,!"e(B  
\x3a\xe3\xe3 e$B$\_$?$$$J$N$,=PNO$5$l$F$k$h$&$G$9!#e(B

readline e$B$r;H$o$J$+$C$?$j!"e(B

$ irb1.9 -f --noreadline  
irb(main):001:0\> :e$B$“$”$“e(B  
=\> :e$B$”$"$"e(B

r23298 e$B$KLa$9$H$&$^$/F0$/$N$G!"e(B  
r23299 e$B$,860x$G$O$J$$$+$H;W$&$N$G$9$,!D!De(B

$ irb1.9 -f --readline  
irb(main):001:0\> RUBY\_DESCRIPTION  
=\> “ruby 1.9.2dev (2009-04-27 trunk 23298) [i686-linux]”  
irb(main):002:0\> :e$B$“$”$“e(B  
=\> :e$B$”$"$"e(B

---

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**Author:** ![Nobuhiro\_IMAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/n/9f8e36/32.png) [@Nobuhiro\_IMAI](https://www.ruby-forum.com/u/Nobuhiro_IMAI)\
**Post date:** [May 26, 2009, 6:41pm UTC](https://www.ruby-forum.com/t/bug-1506-irb-b-gf-k-8l-rf-no-g-j-b/168647/2 "2009-05-26T18:41:12Z")

</div>

e$B$$$^$$$G$9!#e(B

From: Nobuhiro IMAI \<redmine\_at\_ruby-lang.org\>  
Date: Sat, 23 May 2009 19:27:16 +0900

> irb(main):002:0\> e$B$N9T$O!Ve(B:e$B$"$"$"!W$HF~NO$7$F$k$D$b$j$J$N$G$9$,!"e(B  
> \x3a\xe3\xe3 e$B$\_$?$$$J$N$,=PNO$5$l$F$k$h$&$G$9!#e(B

Readline.input= e$B$Ke(B IO  
e$B$rEO$9$H$\*$+$7$/$J$k$h$&$G$9!#J8;zC10L$G\<h$l$F$ke(B  
e$B$1$I!"%P%$%HC10L$G$7$+=PNO$5$l$F$J$$!)e(B

$ cat rl.rb

# -_- coding: utf-8 -_-

p DATA.external\_encoding  
p DATA.getc  
require “readline”  
Readline.input = DATA  
p Readline.readline("\>\> “, false)  
**END**  
e$B$”$"$"$"e(B  
$ ruby1.9 -v rl.rb  
ruby 1.9.2dev (2009-05-26 trunk 23576) [i686-linux]  
#Encoding:UTF-8  
"e$B$“e(B”

> > ??  
> > “\xE3\xE3”

# ?? e$B$Oe(B \xE3\xE3 e$B$G$9!#e(B\xE3

e$B$O!V$"!W$N@hF,$N%P%$%H$G$9$h$M!#e(B

---

<div class="post-metadata">

**Author:** ![Nobuhiro\_IMAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/n/9f8e36/32.png) [@Nobuhiro\_IMAI](https://www.ruby-forum.com/u/Nobuhiro_IMAI)\
**Post date:** [May 26, 2009, 7:47pm UTC](https://www.ruby-forum.com/t/bug-1506-irb-b-gf-k-8l-rf-no-g-j-b/168647/3 "2009-05-26T19:47:37Z")

</div>

e$B%A%1%C%He(B #1506 e$B$,99?7$5$l$^$7$?!#e(B (by Yui NARUSE)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B  
e$B?JD=e(B % 0e$B$+$ie(B100e$B$KJQ99e(B

## Applied in changeset r23591.

[http://redmine.ruby-lang.org/issues/show/1506](http://redmine.ruby-lang.org/issues/show/1506)