# Require/load/autoload $B$N(B encoding $B%\*%W%7%g%s(B

**URL:** <https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471>\
**Category:** Development\
**Created:** [February 7, 2008, 11:24pm UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471 "2008-02-07T23:24:43Z")\
**Posts on this page:** 8\
**Page:** 1

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 7, 2008, 11:24pm UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/1 "2008-02-07T23:24:43Z")

</div>

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

e$B8+$D$1$k$3$H$,$G$-$J$+$C$?$N$G5-210c$$$+$b$7$l$J$$$N$G$9$,!$e(B  
require e$BEy$N:]$Ke(B encoding e$B$r;XDj$9$k%\*%W%7%g%s$H$$$&OC$,e(B  
e$B$A$i$C$H=P$F$$$?$h$&$J5$$,$7$^$9!%e(B  
e$B$3$l$OF3F~$5$l$kM=Dj$O$J$$$N$G$7$g$&$+!%e(B

Ruby 1.8 e$B$N;~$N%9%?%$%k$G!$%a%$%s%9%/%j%W%H$K$OF|K\8l$r4^$a$:!$e(B  
e$B%a%$%s%9%/%j%W%H$NCf$Ge(B $KCODE e$B$r;XDj$7$F!$e(B  
e$B$=$l$+$iF|K\8l$r4^$`ItJ,$re(B require  
e$B$9$k$H$$$&$N$,$"$j$^$7$?!%e(B  
-K e$B%_%W%7%g%s$rK:$l$?$j!$e(Bshebang  
e$B$,;H$o$l$J$$$h$&$J8F$P$lJ}$re(B  
e$B$7$?\>l9g$G$b@5$7$/F0$/$h$&$K$9$k$?$a$G$9!%e(B  
require e$BEy$Ke(B encoding  
e$B;XDj%_%W%7%g%s$,$"$l$P!$$=$NBe$j$K$G$-$^$9!%e(B

e$B$b$A$m$s!VFI$\_9~$^$l$k%U%!%$%k$Ke(B magic comment  
e$B$r;XDj$7$m!W$H$$$&$N$,e(B  
e$B$b$C$H$b$J\<gD%$G$"$k$3$H$O$o$+$j$^$9!%e(B  
e$B$G$9$,!$2?$i$+$N%"%W%j%1!\<%7%g%s$N@\_Dj%U%!%$%k$N$h$&$Ke(B  
e$BI,$:$7$be(B Ruby  
e$B$K=,=O$7$F$$$J$$%f!\<%6$,JT=8$r9T$&2DG=@-$,$"$k:]$K$Oe(B  
e$B$\*$^$8$J$$$N$h$&$Je(B magic comment e$B$O$J$/$F$b$9$^$;$i$l$kJ}$,e(B  
e$B8mJT=8$K$h$k%H%i%V%k$,\>/$J$/$J$k$H;W$$$^$9!%e(B

e$B%U%!%$%k%Q%9$N7hDj$J$I$N\<j4V$rLLE]$/$5$,$i$J$1$l$P!$e(B  
encoding e$B$r;XDj$7$Fe(B open e$B$7$FFI$\_9~$s$Ge(B eval e$B$G$be(B  
e$B$^$!2DG=$H8@$($P2DG=$JOC$J$s$G$9$,!%!%!%e(B

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 8, 2008, 1:24am UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/2 "2008-02-08T01:24:03Z")

</div>

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

In message “Re: [ruby-dev:33646] require/load/autoload e$B$Ne(B  
encoding e$B%\*%W%7%g%se(B”  
on Fri, 8 Feb 2008 07:23:52 +0900, Hidetoshi NAGAI  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

|e$B8+$D$1$k$3$H$,$G$-$J$+$C$?$N$G5-210c$$$+$b$7$l$J$$$N$G$9$,!$e(B  
|require e$BEy$N:]$Ke(B encoding e$B$r;XDj$9$k%\*%W%7%g%s$H$$$&OC$,e(B  
|e$B$A$i$C$H=P$F$$$?$h$&$J5$$,$7$^$9!%e(B  
|e$B$3$l$OF3F~$5$l$kM=Dj$O$J$$$N$G$7$g$&$+!%e(B

e$B$"$s$^$j$J$$$G$9!"FC$Ke(Brequire/autoloade$B$K4X$7$F$O!#e(B

|Ruby 1.8 e$B$N;~$N%9%?%$%k$G!$%a%$%s%9%/%j%W%H$K$OF|K\8l$r4^$a$:!$e(B  
|e$B%a%$%s%9%/%j%W%H$NCf$Ge(B $KCODE e$B$r;XDj$7$F!$e(B  
|e$B$=$l$+$iF|K\8l$r4^$`ItJ,$re(B require e$B$9$k$H$$$&$N$,$“$j$^$7$?!%e(B  
|-K e$B%_%W%7%g%s$rK:$l$?$j!$e(Bshebang e$B$,;H$o$l$J$$$h$&$J8F$P$lJ}$re(B  
|e$B$7$?\>l9g$G$b@5$7$/F0$/$h$&$K$9$k$?$a$G$9!%e(B  
|require e$BEy$Ke(B encoding e$B;XDj%_%W%7%g%s$,$”$l$P!$$=$NBe$j$K$G$-$^$9!%e(B  
|  
|e$B$b$A$m$s!VFI$\_9~$^$l$k%U%!%$%k$Ke(B magic comment e$B$r;XDj$7$m!W$H$$$&$N$,e(B  
|e$B$b$C$H$b$J\<gD%$G$"$k$3$H$O$o$+$j$^$9!%e(B

e$BM=Dj$,$J$$M}M3$O%i%$%V%i%j$K$D$$$F$O$3$A$i$r;H$&J}$,$I$&9M$(e(B  
e$B$F$b@5Ev$@$+$i$G$9!#e(B

|e$B$G$9$,!$2?$i$+$N%“%W%j%1!\<%7%g%s$N@\_Dj%U%!%$%k$N$h$&$Ke(B  
|e$BI,$:$7$be(B Ruby e$B$K=,=O$7$F$$$J$$%f!\<%6$,JT=8$r9T$&2DG=@-$,$”$k:]$K$Oe(B  
|e$B$\*$^$8$J$$$N$h$&$Je(B magic comment e$B$O$J$/$F$b$9$^$;$i$l$kJ}$,e(B  
|e$B8mJT=8$K$h$k%H%i%V%k$,\>/$J$/$J$k$H;W$$$^$9!%e(B

e$B$4;XE&$N$h$&$K%i%$%V%i%j$G$J$/@\_Dj%U%!%$%k$N$h$&$J\>l9g$K$O!“e(B  
e$B$”$k$$$O30$+$i%(%s%3!\<%G%#%s%0$r;XDj$9$k$N$bNI$$$N$+$b$7$l$^e(B  
e$B$;$s$,!"$=$N\>l9g$K$Oe(B

|e$B%U%!%$%k%Q%9$N7hDj$J$I$N\<j4V$rLLE]$/$5$,$i$J$1$l$P!$e(B  
|encoding e$B$r;XDj$7$Fe(B open e$B$7$FFI$\_9~$s$Ge(B eval e$B$G$be(B  
|e$B$^$!2DG=$H8@$($P2DG=$JOC$J$s$G$9$,!%!%!%e(B

e$B$H$9$k$Y$-$@$H;W$$$^$9!#$=$N$h$&$J;H$$J}$,==J,$KB?$$$H$$$&OCe(B  
e$B$G$“$l$P!”$“$k$$$Oe(Bloade$B$K$=$N$h$&$J5!G=$rIU2C$9$kM\>CO$O$”$k$+e(B  
e$B$b$7$l$^$;$s$,!"EvLL$OAH$_9~$_$H$9$k$h$j$O30It%i%$%V%i%j$K$9e(B  
e$B$Y$-$G$O$J$$$+$H!#e(B

```
                            e$B$^$D$b$He(B e$B$f$-$R$me(B /:|)

```

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 8, 2008, 2:10am UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/3 "2008-02-08T02:10:25Z")

</div>

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

From: Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
Subject: [ruby-dev:33647] Re: require/load/autoload e$B$Ne(B encoding  
e$B%\*%W%7%g%se(B  
Date: Fri, 8 Feb 2008 09:23:11 +0900  
Message-ID: [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

> |e$B$b$A$m$s!VFI$\_9~$^$l$k%U%!%$%k$Ke(B magic comment e$B$r;XDj$7$m!W$H$$$&$N$,e(B  
> |e$B$b$C$H$b$J\<gD%$G$"$k$3$H$O$o$+$j$^$9!%e(B
> 
> e$BM=Dj$,$J$$M}M3$O%i%$%V%i%j$K$D$$$F$O$3$A$i$r;H$&J}$,$I$&9M$(e(B  
> e$B$F$b@5Ev$@$+$i$G$9!#e(B

e$B$d$C$Q$j$=$&$G$9$h$M!%e(B(^\_^;

e$B$b$7F3F~$N%W%i%s$,$“$k$N$G$”$l$P!$e(B  
e$B%9%/%j%W%He(B (e$B%i%$%V%i%je(B)  
e$B\>e$G@8@.$5$l$kJ8;zNs$N%G%U%)%k%H$Ne(B encoding e$B$re(B  
e$B$=$l$rMxMQ$9$k%9%/%j%W%HB&$NET9g$K9g$o$;$Fe(B  
e$B$&$^$/%3%s%H%m!\<%k$G$-$?$j$9$k$N$+$b$H;W$C$?$b$N$Ge(B  
e$B$\*?R$M$7$^$7$?!%e(B

> |encoding e$B$r;XDj$7$Fe(B open e$B$7$FFI$\_9~$s$Ge(B eval e$B$G$be(B  
> |e$B$^$!2DG=$H8@$($P2DG=$JOC$J$s$G$9$,!%!%!%e(B
> 
> e$B$H$9$k$Y$-$@$H;W$$$^$9!#$=$N$h$&$J;H$$J}$,==J,$KB?$$$H$$$&OCe(B  
> e$B$G$“$l$P!”$“$k$$$Oe(Bloade$B$K$=$N$h$&$J5!G=$rIU2C$9$kM\>CO$O$”$k$+e(B  
> e$B$b$7$l$^$;$s$,!"EvLL$OAH$_9~$_$H$9$k$h$j$O30It%i%$%V%i%j$K$9e(B  
> e$B$Y$-$G$O$J$$$+$H!#e(B

e$B$o$+$j$^$7$?!%$"$j$,$H$&$4$6$$$^$7$?!%e(B

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 8, 2008, 3:23am UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/4 "2008-02-08T03:23:05Z")

</div>

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

Hidetoshi NAGAI wrote:

> e$B$b$7F3F~$N%W%i%s$,$"$k$N$G$"$l$P!$e(B  
> e$B%9%/%j%W%He(B (e$B%i%$%V%i%je(B) e$B\>e$G@8@.$5$l$kJ8;zNs$N%G%U%)%k%H$Ne(B encoding e$B$re(B  
> e$B$=$l$rMxMQ$9$k%9%/%j%W%HB&$NET9g$K9g$o$;$Fe(B  
> e$B$&$^$/%3%s%H%m!\<%k$G$-$?$j$9$k$N$+$b$H;W$C$?$b$N$Ge(B  
> e$B$\*?R$M$7$^$7$?!%e(B

[ruby-dev:33488]  
e$B$H$+$N1dD9$J$N$@$H;W$$$^$9$,!"8=;~E@$G$O%H%j%C%-!\<$JJ}e(B  
e$BK!$GMxMQ\<T$NJX59$r?^$k$N$O$d$a$?J}$,$$$$$H;W$$$^$9!#AGD\>$Ke(B  
e$B!Ve(BTk.encoding\_system  
e$B$r@\_Dj$7$^$7$g$&!W$H8@$C$F$\*$$$?J}$,L5Fq$G$7$g$&!#e(B

e$B$3$N\<j$NLdBj$Oe(B Win32OLE e$B$de(B [ruby-dev:33550] e$B$Ne(B  
Object#inspecte$B!“e(B[ruby-  
dev:33303] e$B$Ne(B Time#strftime  
e$BEyJ}!9$GH/8+$5$l$F$$$k$N$G!”\>-MhE\*$KE}0lE\*$Je(B  
e$BJ}K!$,3NN)$5$l$?$i$=$l$K\>h$k$N$,$h$$$+$H!#e(B

e$B0l$D$NJ}K!$H$7$F!“8=:\_$Ne(B Encoding.default\_external  
e$B0J30$K!”$=$N%"%W%je(B  
e$B%1!\<%7%g%s$N\<g$?$kFbIt%(%s%3!\<%G%#%s%0$rL@\<($9$kJ}K!$rMQ0U$9$k!=!=Nc$($Pe(B  
Encoding.primary\_encoding  
e$B$r:n$l$P$$$$$+$J$!$H;W$C$F$$$k$N$G$9$,1F6AHO0Oe(B  
e$B$r$^$@9M$($-$l$F$$$^$;$s!#e(B

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 8, 2008, 5:21am UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/5 "2008-02-08T05:21:00Z")

</div>

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

From: “NARUSE, Yui” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
Subject: [ruby-dev:33649] Re: require/load/autoload e$B$Ne(B encoding  
e$B%\*%W%7%g%se(B  
Date: Fri, 8 Feb 2008 11:22:13 +0900  
Message-ID: [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

> [ruby-dev:33488] e$B$H$+$N1dD9$J$N$@$H;W$$$^$9$,!"8=;~E@$G$O%H%j%C%-!\<$JJ}e(B  
> e$BK!$GMxMQ\<T$NJX59$r?^$k$N$O$d$a$?J}$,$$$$$H;W$$$^$9!#AGD\>$Ke(B  
> e$B!Ve(BTk.encoding\_system e$B$r@\_Dj$7$^$7$g$&!W$H8@$C$F$\*$$$?J}$,L5Fq$G$7$g$&!#e(B

e$B%H%j%C%-!\<$G$7$?$+$M!)e(B  
e$BL@\<(E\*$J;XDj$J$N$G!$$=$3$^$G$O$J$$$H;W$C$?$N$G$9$,!%e(B(^\_^;

e$B$A$J$\_$Ke(B Tk e$B$G$Oe(B Tk.encoding\_system e$B$He(B Tk  
e$B$+$iJV$9J8;zNs$Ne(B  
e$B%G%U%)%k%H$Ne(B encoding e$B$H$OJL!9$K;XDj$9$k$3$H$,$G$-$k$h$&$Ke(B  
e$B$9$kM=Dj$G$9e(B (e$B\>/$J$/$H$b8=;~E@$G$O$G$9$,e(B)e$B!%e(B

# Tk.encoding\_system e$B$Oe(B Tk e$B\>e$Ne(B I/O e$B$G;H$o$l$k$N$Ge(B

# Encoding.default\_external e$B$KB7$($k$,!$e(B

# e$B%9%/%j%W%H\>e$G07$$$?$$J8;zNs$OI,$:$7$be(B default\_external

e$B$H$Oe(B

# e$B0lCW$7$J$$$H9M$($i$l$k$?$a!%e(B

> e$B$3$N\<j$NLdBj$Oe(B Win32OLE e$B$de(B [ruby-dev:33550] e$B$Ne(B Object#inspecte$B!“e(B[ruby-  
> dev:33303] e$B$Ne(B Time#strftime e$BEyJ}!9$GH/8+$5$l$F$$$k$N$G!”\>-MhE\*$KE}0lE\*$Je(B  
> e$BJ}K!$,3NN)$5$l$?$i$=$l$K\>h$k$N$,$h$$$+$H!#e(B

e$B$=$&$J$k$N$G$7$?$i!$B?J,!$$=$l$KAGD\>$K\>h$C$+$k$@$m$&$H;W$$$^$9!%e(B

# e$B0lBN$I$l$,e(B 1.9

e$B$N3NDj;EMM$G!$$I$3$,;CDje(B/e$BJQ99$N2DG=@-$"$j$G!$e(B

# e$B2?$,$I$&$$$&7A$G:#8e$N\<BAuM=Dj$H$J$C$F$$$k$N$+$,e(B

# e$B$o$+$C$F$J$/$F$9$\_$^$;$s!%e(B

> e$B0l$D$NJ}K!$H$7$F!“8=:\_$Ne(B Encoding.default\_external e$B0J30$K!”$=$N%"%W%je(B  
> e$B%1!\<%7%g%s$N\<g$?$kFbIt%(%s%3!\<%G%#%s%0$rL@\<($9$kJ}K!$rMQ0U$9$k!=!=Nc$($Pe(B  
> Encoding.primary\_encoding e$B$r:n$l$P$$$$$+$J$!$H;W$C$F$$$k$N$G$9$,1F6AHO0Oe(B  
> e$B$r$^$@9M$($-$l$F$$$^$;$s!#e(B

e$B%0%m!\<%P%k$J$b$N$O$^$D$b$H$5$s$K7y$,$i$l$F$^$9$+$i!$e(B  
Thread e$B%m!\<%+%k$^$?$Oe(B ThreadGroup e$B%m!\<%+%k$/$i$$$Ge(B  
e$B@\_Dj$9$k$b$N$J$i$$$$$N$G$7$g$&$+!%!%!%e(B

# ThreadGroup e$B%m!\<%+%k$G$Oe(B Thread safe

e$B$G$O$J$$$+$i%@%a$+$J!)e(B

# Thread e$B%m!\<%+%k$N\>l9g$K$O!$?7$7$$%9%l%C%I$Ne(B primary\_encoding

e$B$Oe(B

# e$B@8@.85e(B Thread e$B$Ne(B primary\_encoding

e$B$r0z$-7Q$0$H$$$&$3$H$G!%e(B

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 8, 2008, 1:08pm UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/6 "2008-02-08T13:08:57Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:33651] Re: require/load/autoload e$B$Ne(B encoding  
e$B%\*%W%7%g%se(B”  
on Feb.08,2008 13:20:02, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:  
| \> e$B0l$D$NJ}K!$H$7$F!“8=:\_$Ne(B Encoding.default\_external e$B0J30$K!”$=$N%"%W%je(B  
| \> e$B%1!\<%7%g%s$N\<g$?$kFbIt%(%s%3!\<%G%#%s%0$rL@\<($9$kJ}K!$rMQ0U$9$k!=!=Nc$($Pe(B  
| \> Encoding.primary\_encoding e$B$r:n$l$P$$$$$+$J$!$H;W$C$F$$$k$N$G$9$,1F6AHO0Oe(B  
| \> e$B$r$^$@9M$($-$l$F$$$^$;$s!#e(B  
|  
| e$B%0%m!\<%P%k$J$b$N$O$^$D$b$H$5$s$K7y$,$i$l$F$^$9$+$i!$e(B  
| Thread e$B%m!\<%+%k$^$?$Oe(B ThreadGroup e$B%m!\<%+%k$/$i$$$Ge(B  
| e$B@\_Dj$9$k$b$N$J$i$$$$$N$G$7$g$&$+!%!%!%e(B

e$B$^$D$b$H$5$s$,7y$C$F$$$k$N$O%0%m!\<%P%k$J\>uBV$NF3F~$@$C$?$N$Ge(B  
e$B$O$J$$$+$H;W$$$^$9!#e(B  
e$B$G$9$+$i!“JQ99$,IT2DG=$J%0%m!\<%P%k$JJQ?t$J$i$”$j$($k$N$G$O$Je(B  
e$B$$$G$7$g$&$+!#e(B

e$BNc$($P!"e(BEncoding.primary\_encodinge$B$NCM$H$7$F$O%a%$%s%9%/%j%W%He(B  
e$B$Ne(Bscript encodinge$B$,@\_Dj$5$l!"JQ99$OITG=!“6/EY$Oe(Bmagic comment  
e$B$h$j$b\<e$$e(B… e$B$H$$$&$N$O$”$j$($k$N$G$O$J$$$+$H;W$$$^$9!#e(B

# e$B$3$NDj5A$GMQ0U$5$l$?$b$N$,JXMx$+$I$&$+$O8!F$$7$F$^$;$s$,e(B

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 9, 2008, 8:23am UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/7 "2008-02-09T08:23:18Z")

</div>

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

From: “U.Nakamura” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
Subject: [ruby-dev:33659] Re: require/load/autoload e$B$Ne(B encoding  
e$B%\*%W%7%g%se(B  
Date: Fri, 8 Feb 2008 21:07:44 +0900  
Message-ID: [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

> | e$B%0%m!\<%P%k$J$b$N$O$^$D$b$H$5$s$K7y$,$i$l$F$^$9$+$i!$e(B  
> | Thread e$B%m!\<%+%k$^$?$Oe(B ThreadGroup e$B%m!\<%+%k$/$i$$$Ge(B  
> | e$B@\_Dj$9$k$b$N$J$i$$$$$N$G$7$g$&$+!%!%!%e(B
> 
> e$B$^$D$b$H$5$s$,7y$C$F$$$k$N$O%0%m!\<%P%k$J\>uBV$NF3F~$@$C$?$N$Ge(B  
> e$B$O$J$$$+$H;W$$$^$9!#e(B  
> e$B$G$9$+$i!“JQ99$,IT2DG=$J%0%m!\<%P%k$JJQ?t$J$i$”$j$($k$N$G$O$Je(B  
> e$B$$$G$7$g$&$+!#e(B

e$B$"$!!$$J$k$[$I!%e(B

> e$BNc$($P!"e(BEncoding.primary\_encodinge$B$NCM$H$7$F$O%a%$%s%9%/%j%W%He(B  
> e$B$Ne(Bscript encodinge$B$,@\_Dj$5$l!"JQ99$OITG=!“6/EY$Oe(Bmagic comment  
> e$B$h$j$b\<e$$e(B… e$B$H$$$&$N$O$”$j$($k$N$G$O$J$$$+$H;W$$$^$9!#e(B
> 
> # e$B$3$NDj5A$GMQ0U$5$l$?$b$N$,JXMx$+$I$&$+$O8!F$$7$F$^$;$s$,e(B

e$BJQ99ITG=$@$H3hMQ2DG=$JHO0O$,69$a$i$l$F$7$^$$$=$&$G$9$,!$e(B  
e$B%a%$%s%9%/%j%W%H$Ne(B encoding e$B$rCN$k$3$H$,$G$-$k$@$1$G$be(B  
e$B3N$+$KLr$KN)$D$+$b$7$l$^$;$s$M!%e(B

# e$BJQ992DG=$J\>l9g$N3hMQJ}K!$O8!F$$7$F$$$^$;$s!%e(B(^\_^;

e$B$G$b$=$&$$$&$b$N$G$"$k$J$i!$%a%=%C%I$K$9$k$h$j$be(B  
**ENCODING** e$B$H$NBPHf$Ge(B **PRIMARY\_ENCODING** e$B$H$$$&e(B  
e$BJQ?t$K$9$kJ}$,2?$H$J$/NI$5$=$&$K46$8$^$9!%e(B

---

<div class="post-metadata">

**Author:** ![Hidetoshi\_NAGAI](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/49beb7/32.png) [@Hidetoshi\_NAGAI](https://www.ruby-forum.com/u/Hidetoshi_NAGAI)\
**Post date:** [February 9, 2008, 10:06am UTC](https://www.ruby-forum.com/t/require-load-autoload-b-n-b-encoding-b-w-7-g-s-b/128471/8 "2008-02-09T10:06:33Z")

</div>

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

NARUSE, Yui wrote:

> e$B0l$D$NJ}K!$H$7$F!“8=:\_$Ne(B Encoding.default\_external e$B0J30$K!”$=$N%"%W%je(B  
> e$B%1!\<%7%g%s$N\<g$?$kFbIt%(%s%3!\<%G%#%s%0$rL@\<($9$kJ}K!$rMQ0U$9$k!=!=Nc$($Pe(B  
> Encoding.primary\_encoding e$B$r:n$l$P$$$$$+$J$!$H;W$C$F$$$k$N$G$9$,1F6AHO0Oe(B  
> e$B$r$^$@9M$($-$l$F$$$^$;$s!#e(B

e$B$H$j$"$($:e(B default\_internal e$B$H$$$&$b$N$r:n$C$F$\_$^$7$?!#e(B

e$BNc$($P!“e(Binspect e$B$NNc$G$9$H!“e(B  
irb(main):006:0\> [”\x82\xa0”.force\_encoding(“sjis”),  
irb(main):007:1\* “\xa4\xa2”.force\_encoding(“euc-jp”),  
irb(main):008:1\* “\xe3\x81\x82”.force\_encoding(“utf-8”)]  
=\> ["\x82\xA0", “\xA4\xA2”, "e$B$“e(B”]  
e$B$3$s$J46$8$K$J$j$^$9!#e(B

# === encoding.c

— encoding.c (revision 15414)  
+++ encoding.c (local)  
@@ -1030,6 +1030,40 @@  
return rb\_enc\_from\_index(idx);  
}

+static int default\_internal\_index;  
+  
+rb\_default\_internal\_encoding(void)

- return rb\_enc\_from\_index(default\_internal\_index);
- 

+VALUE  
+rb\_enc\_default\_internal(void)  
+{

- return rb\_enc\_from\_encoding(rb\_default\_internal\_encoding());  
+}
- 

+/\*

- 
  - call-seq:

- 
  - Encoding.default\_internal =\> enc

- 
  - 

- 
  - Returns default internal encoding.

- 
  - 

- 
  - It is initialized by the encoding of main script.

- \*/  
+static VALUE  
+get\_default\_internal(VALUE klass)  
+{
- return rb\_enc\_default\_internal();  
+}
- 

+void  
+rb\_enc\_set\_default\_internal(VALUE encoding)  
+{

- default\_internal\_index = rb\_enc\_to\_index(rb\_to\_encoding(encoding));  
+}
- 

static int default\_external\_index;

rb\_encoding \*  
@@ -1246,6 +1280,7 @@  
rb\_define\_method(rb\_cEncoding, “\_dump”, enc\_dump, -1);  
rb\_define\_singleton\_method(rb\_cEncoding, “\_load”, enc\_load, 1);

- rb\_define\_singleton\_method(rb\_cEncoding, “default\_internal”,  
get\_default\_in  
ternal, 0);  
rb\_define\_singleton\_method(rb\_cEncoding, “default\_external”,  
get\_default\_ex  
ternal, 0);  
rb\_define\_singleton\_method(rb\_cEncoding, “locale\_charmap”,  
rb\_locale\_charma  
p, 0);

# === string.c

— string.c (revision 15414)  
+++ string.c (local)  
@@ -3314,7 +3314,7 @@  
VALUE  
rb\_str\_inspect(VALUE str)  
{

- rb\_encoding \*enc = STR\_ENC\_GET(str);

- rb\_encoding \*enc = rb\_default\_internal\_encoding();  
char \*p, \*pend;  
VALUE result = rb\_str\_buf\_new2("");

# === ruby.c

— ruby.c (revision 15414)  
+++ ruby.c (local)  
@@ -1021,6 +1021,7 @@  
rb\_enc\_associate(opt-\>e\_script, eenc);  
require\_libraries();  
tree = rb\_parser\_compile\_string(parser, opt-\>script,  
opt-\>e\_script, 1);

- 

```
  rb_enc_set_default_internal(rb_parser_encoding(parser));

```

}  
else {  
if (opt-\>script[0] == ‘-’ && !opt-\>script[1]) {  
@@ -1200,6 +1201,9 @@  
else if (f != rb\_stdin) {  
rb\_io\_close(f);  
}
- rb\_enc\_set\_default\_internal(rb\_parser\_encoding(parser));
- if (rb\_default\_internal\_encoding() == rb\_usascii\_encoding())
- 

rb\_enc\_set\_default\_internal(rb\_enc\_from\_encoding(rb\_locale\_encoding()));  
return tree;  
}

# === include/ruby/encoding.h

— include/ruby/encoding.h (revision 15414)  
+++ include/ruby/encoding.h (local)  
@@ -164,9 +164,12 @@  
rb\_encoding \*rb\_utf8\_encoding(void);  
rb\_encoding \*rb\_usascii\_encoding(void);  
rb\_encoding \*rb\_locale\_encoding(void);  
+rb\_encoding \*rb\_default\_internal\_encoding(void);  
rb\_encoding \*rb\_default\_external\_encoding(void);  
int rb\_usascii\_encindex(void);  
+VALUE rb\_enc\_default\_internal(void);  
VALUE rb\_enc\_default\_external(void);  
+void rb\_enc\_set\_default\_internal(VALUE encoding);  
void rb\_enc\_set\_default\_external(VALUE encoding);  
VALUE rb\_locale\_charmap(VALUE klass);