# \[Feature #3328\] Kernel#p outputs as default\_internal encoding, and so on

**URL:** <https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955>\
**Category:** Development\
**Created:** [May 21, 2010, 1:11am UTC](https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955 "2010-05-21T01:11:43Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![Masaya\_T](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/7bcc69/32.png) [@Masaya\_T](https://www.ruby-forum.com/u/Masaya_T)\
**Post date:** [May 21, 2010, 1:11am UTC](https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955/1 "2010-05-21T01:11:43Z")

</div>

Feature #3328: Kernel#p outputs as default\_internal encoding, and so on  
[http://redmine.ruby-lang.org/issues/show/3328](http://redmine.ruby-lang.org/issues/show/3328)

e$B5/I\<\<Te(B: Masaya T.  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
e$B%+%F%4%je(B: core, Target version: 1.9.x

e$BC.2H$G$9!#e(B

Feature #2102 [ruby-dev:39343]  
e$B$Ge(BString#inspecte$B$K$D$$$F$O6/@)E\*$Ke(Bencodinge$B$rB7$($k$h$&$K$J$j$^$7$?$,!"e(BSymbole$B$de(BRegexpe$B$K$D$$$F$O$=$&$J$C$F$\*$i$:!"F1$8$h$&$J4JC1$K%(%i!\<$K$J$k\>uBV$K$J$C$F$$$^$9!#%f!\<%6!\<Dj5A$Ne(Binspecte$B$K$bF1MM$G$9!#$^$?$Ke(Binspecte$B$GJ8;z%3!\<%I$N0c$$$,6hJL$G$-$^$;$s!#e(B

e$B$=$3$G!"e(BKernel#pe$B$GI=\<($9$kA0$de(BArraye$B$de(BHashe$B$G3Fe(Binspecte$B7k2L$r%^!\<%8$9$kA0$K!"e(BString#inspecte$B$HF1MM$J=hM}$r9T$&$N$O$I$&$G$7$g$&$+!)6qBNE\*$K$Oe(Binspecte$B$GA[Dj$9$ke(BEncodinge$B$H0[$J$k\>l9g$K!“Hse(BASCIIe$BJ8;z$r%(%9%1!\<%WI=\<($K$9$ke(BString#inspect\_encodee$B$rDI2C$7!”$=$l$re(Brb\_inspecte$B$+$i8F$V;v$rDs0F$7$?$$$H;W$$$^$9!#e(BASCIIe$BJ8;z$K$D$$$F$O\<j$r2C$($J$$$?$a!"IT2D5U$G$9$,e$OLdBj$J$$$H;W$$$^$9!#e(B  
e$B$48!F$$r$\*4j$$$7$^$9!#e(B

e$B0J2\<$K8=\>u$HDs0F8e$N7k2L!"e(BKernel#pe$B$NDj5A$NJQ99$r\<($7$^$9!#e(B  
e$B$^$?$3$NJQ99$r9T$&e(Bpatche$B$rE:IU$7$^$9!#e(B

> cat inspect.rb

# -_- encoding: utf-8 -_-

Encoding.default\_external = “WINDOWS-31J”  
STDOUT.set\_encoding “WINDOWS-31J”  
a = "e$B$“e(B”  
su = a.intern  
se = a.encode(“euc-jp”).intern  
sw = a.encode(“windows-31j”).intern  
ru= /#{a}/  
re= /#{a.encode(“euc-jp”)}/  
rw= /#{a.encode(“windows-31j”)}/  
hash = { su =\> se }  
p su,se,sw,ru,re,rw  
p hash rescue p $!  
p [ru,re,rw,su,se,sw] rescue p $!

> ruby\_org inspect.rb  
> :e$B$"e(B  
> :e$B$"e(B  
> :e$B$"e(B  
> /e$B$"e(B/  
> /e$B$"e(B/  
> /e$B$"e(B/  
> #\<Encoding::CompatibilityError: incompatible character encodings: UTF-8  
> and EUC-JP\>  
> #\<Encoding::CompatibilityError: incompatible character encodings: UTF-8  
> and EUC-JP\>

> ruby\_new inspect.rb  
> :\u3042  
> :\x{A4A2}  
> :e$B$"e(B  
> /\u3042/  
> /\x{A4A2}/  
> /e$B$"e(B/  
> {:\u3042=\>:\x{A4A2}}  
> [/\u3042/, /\x{A4A2}/, /e$B$"e(B/, :\u3042, :\x{A4A2}, :e$B$"e(B]

e$B$^$?!"e(B  
Encoding.default\_external = “WINDOWS-31J”  
STDOUT.set\_encoding “WINDOWS-31J”  
class A ;def inspect ; "e$B$“e(B”.encode(“euc-jp”) end ; end  
p A.new  
puts A.new.inspect  
puts A.new.inspect.inspect\_encode  
e$B$N7k2L$,e(B  
\x{A4A2}  
e$B$"e(B  
\x{A4A2}  
e$B$H$J$j!"e(Bpe$B$NDj5A$,\>/$7JQ$o$j$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Masaya\_T](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/7bcc69/32.png) [@Masaya\_T](https://www.ruby-forum.com/u/Masaya_T)\
**Post date:** [May 24, 2010, 2:18pm UTC](https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955/2 "2010-05-24T14:18:44Z")

</div>

e$B@.@%$G$9!#e(B

(2010/05/21 8:10), Masaya T. wrote:

> Feature #2102 [ruby-dev:39343] e$B$Ge(BString#inspecte$B$K$D$$$F$O6/@)E\*$Ke(Bencodinge$B$re(B  
> e$BB7$($k$h$&$K$J$j$^$7$?$,!"e(BSymbole$B$de(BRegexpe$B$K$D$$$F$O$=$&$J$C$F$\*$i$:!"e(B  
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> e$BF1MM$G$9!#$^$?$Ke(Binspecte$B$GJ8;z%3!\<%I$N0c$$$,6hJL$G$-$^$;$s!#e(B

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> e$B;W$$$^$9!#e(BASCIIe$BJ8;z$K$D$$$F$O\<j$r2C$($J$$$?$a!"IT2D5U$G$9$,e$OLdBje(B  
> e$B$J$$$H;W$$$^$9!#e(B e$B$48!F$$r$\*4j$$$7$^$9!#e(B

e$BF1MM$J=hM}$H$$$$$J$,$i$J$\<?7$7$$e(B API e$B$rDI2C$9$k$s$G$9$+!#e(B

---

<div class="post-metadata">

**Author:** ![Masaya\_T](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/7bcc69/32.png) [@Masaya\_T](https://www.ruby-forum.com/u/Masaya_T)\
**Post date:** [May 31, 2010, 12:17pm UTC](https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955/3 "2010-05-31T12:17:09Z")

</div>

e$BC.2H$G$9!#e(B

2010e$BG/e(B5e$B7ne(B24e$BF|e(B21:18 NARUSE, Yui [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> NARUSE, Yui [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

> e$BF1MM$J=hM}$H$$$$$J$,$i$J$\<?7$7$$e(B API e$B$rDI2C$9$k$s$G$9$+!#e(B

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---

<div class="post-metadata">

**Author:** ![Masaya\_T](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/7bcc69/32.png) [@Masaya\_T](https://www.ruby-forum.com/u/Masaya_T)\
**Post date:** [June 1, 2010, 2:19pm UTC](https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955/4 "2010-06-01T14:19:27Z")

</div>

e$BC.2H$G$9!#e(B

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# 

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---

<div class="post-metadata">

**Author:** ![Masaya\_T](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/7bcc69/32.png) [@Masaya\_T](https://www.ruby-forum.com/u/Masaya_T)\
**Post date:** [May 31, 2010, 8:14pm UTC](https://www.ruby-forum.com/t/feature-3328-kernel-p-outputs-as-default-internal-encoding-and-so-on/188955/5 "2010-05-31T20:14:14Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:41482] Re: [Feature #3328] Kernel#p outputs as  
default\_internal encoding, and so on”  
on Mon, 31 May 2010 19:16:38 +0900, Masaya TARUI [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|e$BC.2H$G$9!#e(B

|\> e$BF1MM$J=hM}$H$$$$$J$,$i$J$\<?7$7$$e(B API e$B$rDI2C$9$k$s$G$9$+!#e(B  
|  
|Featuree$B$J$N$G!";dE\*$K;W$$@Z$C$F$I$&=hM}$7$?$iM}A[E\*$@$m$&$H9M$($?7k2L$G$9!#e(B  
|e$BF1MM$J=hM}e(B=inspect\_encodee$B$G$9$,!"7k6Ie(BSymbole$B7?$de(BRegexpe$B7?$K8B$i$:e(B  
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