Binary String

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B
encoding e$B$K$D$$$F$NOC$G$9!%4V0c$C$F$$$l$PD{@5$/$@$5$$!%e(B

binary string e$B$rL@<($G$-$k$h$&$Je(B encoding e$B$re(B
e$BDI2C$7$F$O$$$?$@$1$J$$$G$7$g$&$+!)e(B

Tcl/Tk e$B$Ne(B encoding names e$B$G$Oe(B ‘identity’

e$B$H$J$k$b$N!%e(B

Ruby/Tk e$B$G$O!$e(Bruby e$B$+$ie(B tk e$B$KJ8;zNs$rAw$k:]!$e(B
e$B%7%9%F%`$Ne(B encoding e$B>pJs$K4p$E$-!$e(Butf-8
e$B$K<+F0JQ49$7$FAw$C$F$$$^$9!%e(B
e$B$b$A$m$s!VJQ49L@<($,ITMW!W$H$$$&%f!<%6$NMxJX@-$r9M$($F$N$3$H$G$9!%e(B

Ruby 1.8 e$B$G$Oe(B $KCODE e$B$He(B Tk e$B$Ne(B encoding system
e$B$H$rMQ$$$F$$$^$7$?!%e(B

e$B8=>u$Ne(B Ruby 1.9 e$B$r8+$k$H!$e(Bencoding e$BL$;XDj$N>l9g$Ne(B
encoding e$B$Oe(B
ASCII-8BIT e$B$H$5$l$k$h$&$K;W$($^$9!%e(B
e$B<+F0JQ49$Oe(B Encoding.default_external
e$B$r;2>H$9$k$3$H$K$J$k$G$7$g$&!%e(B
e$B$D$^$j!$e(BASCII-8BIT e$B$G$"$k>l9g$O!$e(B
e$B<B:]$K$Oe(B Encoding.default_external e$B$Ne(B encoding
e$B$G$"$k$H2>Dj$7$Fe(B
utf-8 e$B$X$N<+F0JQ49$r$+$1$k$o$1$G$9!%e(B

e$B0lHLE*$J>u67$G$O$3$l$GLdBj$J$$$N$G$9$,!$e(B
binary data e$B$r07$&>l9g$K:$$j$^$9!%e(B

binary data e$B$K$O<+F0JQ49$r$+$1$F$O$J$i$J$$$o$1$G$9$,!$e(B
binary data e$B$G$"$k$3$H$rL@3N$K6hJL$G$-$k>pJs$re(B
e$B%*%V%8%’%/%H$,;}$C$F$$$J$1$l$PJQ49$9$Y$-$+H]$+$rH=CG$G$-$^$;$s!%e(B
e$BH=CG$G$-$J$$$H$$$&$3$H$O<+F0JQ49$N$9$Y$F$rD|$a$M$P$J$i$:!$e(B
e$B!VL@<(ITMW!W$H$$$&MxJX@-$r%f!<%6$,<:$&$3$H$K$J$j$^$9!%e(B

UNKNOWN-8BIT e$B$,F3F~$5$l$F$b>u67$OJQ$j$^$;$s!%e(B
ASCII-8BIT e$B$Oe(B ASCII-8BIT -> UTF-8 e$B$N<+F0JQ49$r9T$&$7!$e(B
UNKNOWN-8BIT e$B$Oe(B Encoding.default_external
e$B$r;2>H$KJQ49$9$k$G$7$g$&!%e(B
e$B$G$9$N$G!$e(BUNKNOWN-8BIT e$B$re(B binary data
e$BMQ$K$9$k$3$H$O$G$-$^$;$s!%e(B

Ruby 1.8 e$B$Ne(B Ruby/Tk e$B$G9T$C$?$h$&$K!$e(B
e$BFCJL$JJ8;zNs%/%i%9$r;H$C$F>r7oJ,$1$GBP1~$r$9$k$3$H$O2DG=$G$9$,!$e(B
e$B$;$C$+$/J8;zNs$Ke(B encoding e$B>pJs$r;}$?$;$F$$$k$N$Ke(B
e$BE}0lE*$J=hM}$,$G$-$J$$$N$O4r$7$/$"$j$^$;$s!%e(B

e$B$5$i$K!$5UJ}8~$NLdBj$b$"$j$^$9!%e(B
tk e$B$+$ie(B ruby e$B$Ke(B binary data
e$B$rJV$9$H$-$K$I$&$9$Y$-$+$G$9!%e(B
ASCII-8BIT e$B$de(B UNKNOWN-8BIT e$B$K$7$F$7$^$&$H!$e(B
e$B:FEYe(B tk e$B$KAw$k:]$J$I$KLLE]$K$J$j$^$9!%e(B

e$BB>$Ne(B encoding e$B$X$NJQ49$,$G$-$J$$e(B ‘IDENTITY’
e$B$H$$$&$h$&$Je(B
encoding e$B$,B8:_$9$l$P!$LdBjH/@8$r2sHr$9$k$3$H$,$G$-$^$9!%e(B

e$BB?J,!$@-3J$H$7$F$O!$e(B

  • e$BB>$X$Ne(B encode e$B$,MW5a$5$l$?>l9g$O!$e(B
    e$BNc30$r>e$2$:$K$=$N$^$^e(B (‘IDENTITY’ e$B$N$^$^e(B) e$B$rJV$9!%e(B

  • e$BB>$NJ8;zNs$H$NO"7k$N:]$K$O!$e(B
    e$BAj<j$be(B ‘IDENTITY’ e$B$N>l9g$O$=$N$^$^O"7k$9$k$,!$e(B
    e$B$=$&$G$J$$>l9g$ONc30$rH/@8$9$k!%e(B

e$B$H$$$&$b$N$K$J$k$N$G$O$J$$$+$H$$$&5$$,$7$^$9!%e(B

Array#pack e$B$N=PNO$J$I$be(B ‘IDENTITY’ e$B$H$9$Y$-!)e(B

e$B!V$=$s$J?4G[$7$J$/$F$b!$$3$&$9$l$P$$$$$h!W$H$$$&J}K!$,$"$j$^$7$?$ie(B
e$B$<$R$*65$($/$@$5$$!%e(B
e$B$=$&$7$?J}K!$,$J$1$l$P!$e(Bbinary data e$BMQ$Ne(B encoding
e$B$NF3F~$re(B
e$B8!F$$$$?$@$1$k$H=u$+$j$^$9!%e(B

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

In message “Re: [ruby-dev:32550] Binary String”
on Wed, 12 Dec 2007 14:56:29 +0900, Hidetoshi NAGAI
[email protected] writes:
|
|e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B
|encoding e$B$K$D$$$F$NOC$G$9!%4V0c$C$F$$$l$PD{@5$/$@$5$$!%e(B
|
|binary string e$B$rL@<($G$-$k$h$&$Je(B encoding e$B$re(B
|e$BDI2C$7$F$O$$$?$@$1$J$$$G$7$g$&$+!)e(B
|
|# Tcl/Tk e$B$Ne(B encoding names e$B$G$Oe(B ‘identity’ e$B$H$J$k$b$N!%e(B
|
|Ruby/Tk e$B$G$O!$e(Bruby e$B$+$ie(B tk e$B$KJ8;zNs$rAw$k:]!$e(B
|e$B%7%9%F%`$Ne(B encoding e$B>pJs$K4p$E$-!$e(Butf-8 e$B$K<+F0JQ49$7$FAw$C$F$$$^$9!%e(B
|e$B$b$A$m$s!VJQ49L@<($,ITMW!W$H$$$&%f!<%6$NMxJX@-$r9M$($F$N$3$H$G$9!%e(B
|
|Ruby 1.8 e$B$G$Oe(B $KCODE e$B$He(B Tk e$B$Ne(B encoding system e$B$H$rMQ$$$F$$$^$7$?!%e(B
|
|e$B8=>u$Ne(B Ruby 1.9 e$B$r8+$k$H!$e(Bencoding e$BL$;XDj$N>l9g$Ne(B encoding e$B$Oe(B
|ASCII-8BIT e$B$H$5$l$k$h$&$K;W$($^$9!%e(B
|e$B<+F0JQ49$Oe(B Encoding.default_external e$B$r;2>H$9$k$3$H$K$J$k$G$7$g$&!%e(B
|e$B$D$^$j!$e(BASCII-8BIT e$B$G$“$k>l9g$O!$e(B
|e$B<B:]$K$Oe(B Encoding.default_external e$B$Ne(B encoding e$B$G$”$k$H2>Dj$7$Fe(B
|utf-8 e$B$X$N<+F0JQ49$r$+$1$k$o$1$G$9!%e(B

default_externale$B$,@_Dj$5$l$F$$$l$P!“$=$N%(%s%3!<%G%#%s%0$G$“e(B
e$B$k$HJ,$+$C$F$$$kJ8;zNs$K$Oe(Bdefault_externale$B%(%s%3!<%G%#%s%0$,e(B
e$B$9$G$KIUM?$5$l$F$$$k$O$:$G$9$+$i!”$”$kJ8;zNs$,e(BASCII-8BITe$B$G$“e(B
e$B$k$H$$$&$3$H$O!”$=$NJ8;zNs$N%(%s%3!<%G%#%s%0$OL@<(E*$K;XDj$5e(B
e$B$l$F$$$J$$e(B(e$B$o$+$i$J$$e(B)e$B$H$$$&$3$H$r0UL#$9$k$N$@$H;W$$$^$9!#e(B

e$B$N$G!"$3$l$Oe(Bidentitye$B$HF1MM$K07$($P$h$$e(B(e$B$C$F$$$&$+!"0EL[$NJQ49e(B
e$B$r$7$F$O$$$1$J$$e(B)e$B$H;W$&$N$G$9$,$I$&$G$7$g$&!)e(B

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

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

From: Yukihiro M. [email protected]
Subject: [ruby-dev:32551] Re: Binary String
Date: Wed, 12 Dec 2007 15:38:50 +0900
Message-ID: E1J2LFB-0004LI-EY@localhost

default_externale$B$,@_Dj$5$l$F$$$l$P!“$=$N%(%s%3!<%G%#%s%0$G$“e(B
e$B$k$HJ,$+$C$F$$$kJ8;zNs$K$Oe(Bdefault_externale$B%(%s%3!<%G%#%s%0$,e(B
e$B$9$G$KIUM?$5$l$F$$$k$O$:$G$9$+$i!”$”$kJ8;zNs$,e(BASCII-8BITe$B$G$“e(B
e$B$k$H$$$&$3$H$O!”$=$NJ8;zNs$N%(%s%3!<%G%#%s%0$OL@<(E*$K;XDj$5e(B
e$B$l$F$$$J$$e(B(e$B$o$+$i$J$$e(B)e$B$H$$$&$3$H$r0UL#$9$k$N$@$H;W$$$^$9!#e(B

e$B$N$G!"$3$l$Oe(Bidentitye$B$HF1MM$K07$($P$h$$e(B(e$B$C$F$$$&$+!"0EL[$NJQ49e(B
e$B$r$7$F$O$$$1$J$$e(B)e$B$H;W$&$N$G$9$,$I$&$G$7$g$&!)e(B

e$B!V$=$N%(%s%3!<%G%#%s%0$G$"$k$HJ,$+$C$F$$$k!W$H$$$&$N$,6J<T$G$9!%e(B

irb e$B$G<B9T$7$?$?$a$J$N$+$b$7$l$^$;$s$,!$e(B
Encoding.default_external e$B$,e(B EUC-JP e$B$N>uBV$G!$e(B
‘e$B4A;ze(B’.encoding e$B$H$9$k$He(B ASCII-8BIT e$B$,JV$C$F$-$^$9!%e(B
e$B$3$l$rL5JQ49$Ge(B Tk
e$B$KAw$j9~$`$HEvA3J8;z2=$1$9$k$3$H$K$J$j$^$9!%e(B

e$B!Ve(B Encoding
e$B$rL@<($7$F$$$J$$$s$@$+$i;EJ}$J$$!W$H$$$&9M$($b$“$k$H$Oe(B
e$B;W$$$^$9$,!$L@<($7$F$$$J$$$J$ie(B default_external
e$B$rA[Dj$9$k$H$$$&$N$be(B
e$B$5$[$I8m$C$?BP1~$G$”$k$H$O;W$($^$;$s!%e(B

e$B$=$l$H$b!$>e5->r7o$Ge(B ‘e$B4A;ze(B’.encoding e$B$,e(B ASCII-8BIT
e$B$rJV$9$3$H<+BN$,e(B
e$B%P%0$H$$$&$3$H$G$7$g$&$+!)e(B

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

In message “Re: [ruby-dev:32552] Re: Binary String”
on Wed, 12 Dec 2007 16:05:43 +0900, Hidetoshi NAGAI
[email protected] writes:

|e$B!V$=$N%(%s%3!<%G%#%s%0$G$"$k$HJ,$+$C$F$$$k!W$H$$$&$N$,6J<T$G$9!%e(B
|
|irb e$B$G<B9T$7$?$?$a$J$N$+$b$7$l$^$;$s$,!$e(B
|Encoding.default_external e$B$,e(B EUC-JP e$B$N>uBV$G!$e(B
|‘e$B4A;ze(B’.encoding e$B$H$9$k$He(B ASCII-8BIT e$B$,JV$C$F$-$^$9!%e(B
|e$B$3$l$rL5JQ49$Ge(B Tk e$B$KAw$j9~$`$HEvA3J8;z2=$1$9$k$3$H$K$J$j$^$9!%e(B

e$B$“!<!”$9$$$^$;$s!#$=$3$O$^$@<BAu$5$l$F$$$J$$$N$G$9!#$N$G!"8=e(B
e$B:_$N<BAu$r$b$H$KH=CG$9$k$H4V0c$&$3$H$K$J$j$^$9!#e(B

|e$B$=$l$H$b!$>e5->r7o$Ge(B ‘e$B4A;ze(B’.encoding e$B$,e(B ASCII-8BIT e$B$rJV$9$3$H<+BN$,e(B
|e$B%P%0$H$$$&$3$H$G$7$g$&$+!)e(B

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

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

From: Yukihiro M. [email protected]
Subject: [ruby-dev:32553] Re: Binary String
Date: Wed, 12 Dec 2007 16:07:57 +0900
Message-ID: E1J2LhM-0004jh-7x@localhost

|irb e$B$G<B9T$7$?$?$a$J$N$+$b$7$l$^$;$s$,!$e(B
|Encoding.default_external e$B$,e(B EUC-JP e$B$N>uBV$G!$e(B
|‘e$B4A;ze(B’.encoding e$B$H$9$k$He(B ASCII-8BIT e$B$,JV$C$F$-$^$9!%e(B
|e$B$3$l$rL5JQ49$Ge(B Tk e$B$KAw$j9~$`$HEvA3J8;z2=$1$9$k$3$H$K$J$j$^$9!%e(B

e$B$“!<!”$9$$$^$;$s!#$=$3$O$^$@<BAu$5$l$F$$$J$$$N$G$9!#$N$G!"8=e(B
e$B:_$N<BAu$r$b$H$KH=CG$9$k$H4V0c$&$3$H$K$J$j$^$9!#e(B

e$B$"!$$=$&$$$&$3$H$G$9$+!%e(B
e$B;~4|$,;~4|$G$9$7!$$3$NJU$j$OBAu:Q$@$m$&$H!<j$K;W$C$F$^$7$?!%e(B

e$B$G$O!$e(Bencoding e$B;XDj$,$J$$!$$"$k$$$OITL@$J>l9g$O!$e(B
e$BI,$:e(B default_external e$B$K$J$k$H9M$($F$$$$$N$G$7$g$&$+!)e(B
e$B$G!$e(Bdefault_external e$B$,e(B ASCII-8BIT
e$B$K@_Dj$5$l$k$3$H$O$J$$$H!%e(B

e$B$=$l$,J]>Z$5$l$k$N$G$“$l$PLdBj$O$J$5$=$&$G$9!%e(B
e$BJ]>Z$5$l$J$$$N$G$”$l$P!$e(BASCII-8BIT
e$B$H$J$k$N$O$I$&$$$&%1!<%9$+$re(B
e$B65$($F$$$?$@$-$?$$$H;W$C$F$^$9!%e(B
e$B$=$N7k2L<!Bh$G!$MWK>$,JQ$k$+$b$7$l$^$;$s!%e(B

Martin e$B$5$s$N%a!<%ke(B [ruby-dev:32554] e$B$NDL$j$@$H$9$k$H!$e(B

e$B4r$7$/$J$$7A$Ge(B ASCII-8BIT

e$B$K$J$C$F$7$^$&%1!<%9$,$"$k$h$&$K8+$($^$9!%e(B

e$B$=$&$G$"$k$J$i!$$d$O$j0BA43N<B$Je(B binary data e$B$N$?$a$Ne(B

encoding e$B$,e(B

e$BM_$7$$$H46$8$^$9!%e(B

e$B5DO@$rDI$$$-$l$F$$$J$$$N$G!$e(B
e$BF\DA4A$J$3$H$r8@$C$F$$$?$i$4$a$s$J$5$$!%e(B

e$B$=$l$O$=$l$H$7$F!%!%!%e(B
Ruby e$B$G$Ne(B encoding e$BL>$He(B Tk e$B$G$Ne(B encoding e$BL>$H$Ge(B
e$BBP1~I=$rMQ0U$7$F$*$/I,MW$,$"$k$+$b$H;W$C$F$$$^$9!%e(B
Tcl/Tk e$B$Ne(B lsort [encoding names] e$B$N7k2L$Oe(B

ascii big5 cp1250 cp1251 cp1252 cp1253 cp1254 cp1255 cp1256 cp1257
cp1258 cp437 cp737 cp775 cp850 cp852 cp855 cp857 cp860 cp861 cp862
cp863 cp864 cp865 cp866 cp869 cp874 cp932 cp936 cp949 cp950 dingbats
ebcdic euc-cn euc-jp euc-kr gb12345 gb1988 gb2312 gb2312-raw identity
iso2022 iso2022-jp iso2022-kr iso8859-1 iso8859-10 iso8859-13
iso8859-14 iso8859-15 iso8859-16 iso8859-2 iso8859-3 iso8859-4
iso8859-5 iso8859-6 iso8859-7 iso8859-8 iso8859-9 jis0201 jis0208
jis0212 koi8-r koi8-u ksc5601 macCentEuro macCroatian macCyrillic
macDingbats macGreek macIceland macJapan macRoman macRomania macThai
macTurkish macUkraine shiftjis symbol tis-620 unicode utf-8

At 16:07 07/12/12, Yukihiro M. wrote:

|‘e$B4A;ze(B’.encoding e$B$H$9$k$He(B ASCII-8BIT e$B$,JV$C$F$-$^$9!%e(B
|e$B$3$l$rL5JQ49$Ge(B Tk e$B$KAw$j9~$`$HEvA3J8;z2=$1$9$k$3$H$K$J$j$^$9!%e(B

e$B$“!<!”$9$$$^$;$s!#$=$3$O$^$@<BAu$5$l$F$$$J$$$N$G$9!#$N$G!"8=e(B
e$B:_$N<BAu$r$b$H$KH=CG$9$k$H4V0c$&$3$H$K$J$j$^$9!#e(B

|e$B$=$l$H$b!$>e5->r7o$Ge(B ‘e$B4A;ze(B’.encoding e$B$,e(B ASCII-8BIT e$B$rJV$9$3$H<+BN$,e(B
|e$B%P%0$H$$$&$3$H$G$7$g$&$+!)e(B

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

e$B3NG’$G$9$,!"e(B
irb e$B$_$?$$$J>u67$N>l9g$K$Oe(B Ruby e$B$N%W%m%0%i%F~NO$rB>$Ne(B (e$B%G!<%?$Ne(B) e$BF~NO$HF1MM$Ke(B Encoding.default_external e$B$H8+$J$7$?J}$,$$$$$H;W$$$^$9!#e(B -e e$B$dI8=F~NO$+$i$N%W%m%0%i%F~NO$bF1Ey$H;W$$$^$9!#$7$+$7!"%U%!%$%ke(B e$B$+$i$N%W%m%0%i%FI$9~$$N;~$K$OJ8;z%3!<%I$r0l9TL\Ev$?$j$Ne(B
encoding:
e$B$J$I$N%3%a%s%H$,L5$$$He(B ASCII-8BIT e$B$K$J$j$^$9$h$M!#e(B

e$B59$7$/$*4j$$$7$^$9!#e(B Martin.

#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-# http://www.sw.it.aoyama.ac.jp mailto:[email protected]

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

In message “Re: [ruby-dev:32560] Re: Binary String”
on Thu, 13 Dec 2007 02:07:11 +0900, Hidetoshi NAGAI
[email protected] writes:

|e$B$G$O!$e(Bencoding e$B;XDj$,$J$$!$$"$k$$$OITL@$J>l9g$O!$e(B
|e$BI,$:e(B default_external e$B$K$J$k$H9M$($F$$$$$N$G$7$g$&$+!)e(B

e$B30It$+$iF~NO$5$l$?%G!<%?$N$&$A!“e(Bbinarye$B$G$O$J$$$HL@$i$+$J$b$Ne(B
e$B$O!“e(Bdefault_externale$B%(%s%3!<%G%#%s%0$,IUM?$5$l$^$9!#5U$Ke(B
binarye$B$G$”$k2DG=@-$,$”$k$b$N$K$D$$$F$Oe(Bascii-8bite$B$K$J$j$^$9!#e(B

|e$B$G!$e(Bdefault_external e$B$,e(B ASCII-8BIT e$B$K@_Dj$5$l$k$3$H$O$J$$$H!%e(B

e$B$3$A$i$O$“$j$($^$9!#L@<(E*$Ke(Bdefault_externale$B$re(BASCIIe$B$K;XDj$7$?e(B
e$B>l9g$H$+!“CN$i$J$$%(%s%3!<%G%#%s%0$N%m%1!<%k$@$C$?$j$H$+!#$Ge(B
e$B$b!”$=$N>l9g$K$O30It$+$iF~NO$5$l$?%G!<%?$N%(%s%3!<%G%#%s%0$Oe(B
ASCIIe$B$G$”$k$H9M$($F$h$$$N$G!“e(BUTF-8e$B$,BP>]$G$”$l$PJQ49$OITMW$Ge(B
e$B$O$J$$$+$H;W$$$^$9!#BP>]$,e(BUTF-16e$B$N>l9g$K$Oe(Bbinarye$B$He(Basciie$B$rL@3Ne(B
e$B$K6hJL$9$kI,MW$,=P$F$-$^$9$,!#e(B

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

e$B$J$+$@$G$9!#e(B

At Thu, 13 Dec 2007 02:07:11 +0900,
Hidetoshi NAGAI wrote in [ruby-dev:32560]:

e$B$G$O!$e(Bencoding e$B;XDj$,$J$$!$$"$k$$$OITL@$J>l9g$O!$e(B
e$BI,$:e(B default_external e$B$K$J$k$H9M$($F$$$$$N$G$7$g$&$+!)e(B
e$B$G!$e(Bdefault_external e$B$,e(B ASCII-8BIT e$B$K@_Dj$5$l$k$3$H$O$J$$$H!%e(B

LANGe$B$,%;%C%H$5$l$F$$$J$+$C$?$j!"BP1~$7$F$$$J$$%(%s%3!<%G%#%s%0$,e(B
e$B;XDj$5$l$F$$$l$P!"e(BASCII-8BITe$B$K$J$j$^$9!#e(B

Martin e$B$5$s$N%a!<%ke(B [ruby-dev:32554] e$B$NDL$j$@$H$9$k$H!$e(B

e$B4r$7$/$J$$7A$Ge(B ASCII-8BIT e$B$K$J$C$F$7$^$&%1!<%9$,$"$k$h$&$K8+$($^$9!%e(B

e$B%9%/%j%W%H%(%s%3!<%G%#%s%0$NOC$G$9$+$i!"JL$@$H;W$$$^$9!#e(B

e$B$=$&$G$"$k$J$i!$$d$O$j0BA43N<B$Je(B binary data e$B$N$?$a$Ne(B encoding e$B$,e(B

e$BM_$7$$$H46$8$^$9!%e(B

e$BI,MW$=$&$G$9$M!#e(B

iso8859-14 iso8859-15 iso8859-16 iso8859-2 iso8859-3 iso8859-4
iso8859-5 iso8859-6 iso8859-7 iso8859-8 iso8859-9 jis0201 jis0208
jis0212 koi8-r koi8-u ksc5601 macCentEuro macCroatian macCyrillic
macDingbats macGreek macIceland macJapan macRoman macRomania macThai
macTurkish macUkraine shiftjis symbol tis-620 unicode utf-8

e$B$H$$$&46$8$J$N$G$9$,!$e(BRuby e$B$Ne(B m17n e$B$G$O$I$&$J$j$=$&$G$7$g$&$+!)e(B

onigurumae$B$HF1$8$K$J$k$O$:$G$9!#e(B

$ l enc
ascii.c iso8859_1.c iso8859_2.c iso8859_9.c utf32_be.c
big5.c iso8859_10.c iso8859_3.c koi8.c utf32_le.c
cp1251.c iso8859_11.c iso8859_4.c koi8_r.c utf8.c
euc_jp.c iso8859_13.c iso8859_5.c sjis.c
euc_kr.c iso8859_14.c iso8859_6.c unicode.c
euc_tw.c iso8859_15.c iso8859_7.c utf16_be.c
gb18030.c iso8859_16.c iso8859_8.c utf16_le.c

e$B$^$@$[$H$s$I<j$D$+$:$G$9$,!#e(B

At 03:43 07/12/13, Nobuyoshi N. wrote:

iso8859-14 iso8859-15 iso8859-16 iso8859-2 iso8859-3 iso8859-4
ascii.c iso8859_1.c iso8859_2.c iso8859_9.c utf32_be.c
big5.c iso8859_10.c iso8859_3.c koi8.c utf32_le.c
cp1251.c iso8859_11.c iso8859_4.c koi8_r.c utf8.c
euc_jp.c iso8859_13.c iso8859_5.c sjis.c
euc_kr.c iso8859_14.c iso8859_6.c unicode.c
euc_tw.c iso8859_15.c iso8859_7.c utf16_be.c
gb18030.c iso8859_16.c iso8859_8.c utf16_le.c

e$B@h$:!“$I$NJ8;z%3!<%I$,%5%]!<%H$5$l$F$$$k$+!”$I$3$^$G%5%]!<%H$5$l$F$$$k$+e(B
(e$BNc$($PJQ49$@$1!"L>A0$H$7$F$Ne(B
Encodinge$B!"J8;z%3!<%I$N!V9=B$!W!"Ey$J$Ie(B) e$B$H!“e(B
e$BL>A0$=$N$b$N$r6hJL$9$kI,MW$,$”$j$^$9!#e(B

e$BL>A0$=$N$b$N$O@'Hs$b$&$A$g$C$H$O$C$-$j$7$?J}?K$,I,MW$@$H;W$$$^$9!#e(B
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e$B;W$C$F$$$^$9e(B
(Character Sets)e$B!#e(B

e$B$=$&$9$k$HNc$($Pe(B Latin-1 e$B$H$$$o$l$k$b$N$N>l9g!“e(BISO-8859-1
(e$BBgJ8;z>.J8;z$O4X78$J$/e(B)
e$B$K$9$k$Y$-$G$9!#8=:_$OBgBN$=$NJ}8~$Ge(B
e$BF0$$$F$$$^$9$,!”$b$&$A$g$C$H$O$C$-$j$7$?J}$,$$$$$H;W$$$^$9!#e(B
e$B2?$+$N%i%$%V%i%j$GDV$j$,0c$C$?$i!“$=$N%i%$%V%i%j$He(B Ruby e$B$re(B
e$B$D$J$$$G$$$k$H$3$m$GBP1~$r<h$C$?J}$,$$$$$H;W$$$^$9!#e(B
Oniguruma e$B$N>e5-$N%j%9%H$O$”$/$^$G$b%U%!%$%kL>$G!"e(B
Encoding e$B$NL>A0$G$O$J$$!#%U%!%$%kL>$G$Oe(B ‘-’
e$B$b;H$($?$@$m$&$,!"e(B
e$BFC$KJQ?tL>$G$Oe(B ‘-’ e$B$O;H$($^$;$s!#e(B

e$B59$7$/$*4j$$$7$^$9!#e(B Martin.

#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-# http://www.sw.it.aoyama.ac.jp mailto:[email protected]

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

From: Nobuyoshi N. [email protected]
Subject: [ruby-dev:32561] Re: Binary String
Date: Thu, 13 Dec 2007 03:43:41 +0900
Message-ID: [email protected]

e$B$=$&$G$"$k$J$i!$$d$O$j0BA43N<B$Je(B binary data e$B$N$?$a$Ne(B encoding e$B$,e(B

e$BM_$7$$$H46$8$^$9!%e(B

e$BI,MW$=$&$G$9$M!#e(B

binary data e$BMQe(B encoding e$B$,F3F~$5$l$k$3$H$K4|BT$7$^$9!%e(B

e$B$=$l$O$=$l$H$7$F!%!%!%e(B
Ruby e$B$G$Ne(B encoding e$BL>$He(B Tk e$B$G$Ne(B encoding e$BL>$H$Ge(B
e$BBP1~I=$rMQ0U$7$F$*$/I,MW$,$"$k$+$b$H;W$C$F$$$^$9!%e(B
Tcl/Tk e$B$Ne(B lsort [encoding names] e$B$N7k2L$Oe(B
(snip)
e$B$H$$$&46$8$J$N$G$9$,!$e(BRuby e$B$Ne(B m17n e$B$G$O$I$&$J$j$=$&$G$7$g$&$+!)e(B

onigurumae$B$HF1$8$K$J$k$O$:$G$9!#e(B

e$BN;2r$G$9!%$=$NA0Ds$G9M$($k$3$H$K$7$^$9!%e(B

e$B$H$O$$$(!$D>@$KBP1~$9$k$b$N$,$J$$$b$N$K$D$$$F$Oe(B

e$B$I$&$9$k$+!%!%!%e(B(^_^;

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

In message “Re: [ruby-dev:32583] Re: Binary String”
on Thu, 13 Dec 2007 23:54:46 +0900, Hidetoshi NAGAI
[email protected] writes:

|e$B7k6I$N$H$3$m!$e(Bbinary e$B$G$“$k$3$H$,L@3N$G$”$k>l9g$G$“$C$F$b!$e(B
|e$B!Ve(Bbinary e$B$G$”$k!W$H$$$&;v<B$rL@3N$K5-O?$7$F$*$/$3$H$O$G$-$J$$e(B
|e$B$H$$$&$3$H$G$9$h$M!)e(B

e$B8=>u$G$O$=$&$G$9$M!#e(B

|e$B$^$D$b$H$5$s$Oe(B binary string e$B$rI=$9e(B encodng e$B$NF3F~$K$Oe(B
|e$B>h$j5$$G$J$$$h$&$K$*8+<u$1$7$^$9$,!$$=$NM}M3$O2?$J$N$G$7$g$&$+!)e(B
|
|e$BAG?M9M$($G$O!$e(Bbinary e$B$rI=$9e(B encoding e$B$rF3F~$9$k$3$H$G!$e(B
|binary string e$B$G$“$k$3$H$,L@3N2=$5$l$F4r$7$$$H$$$&$3$H$O$”$C$F$be(B
|e$B$=$Ne(B encoding e$B$NB8:_$,LdBj$H$J$k$3$H$O$J$$$h$&$K46$8$^$9!%e(B

e$B$^$:!“$$$^$^$Ge(BRubye$B$K$Oe(Bbinarye$B$H$$$&$b$N$O$J$/$F$=$l$J$j$KF0$$e(B
e$B$F$-$?$o$1$G$9!#$H$$$&$3$H$O!”<B$Oe(Bbinarye$B$OITMW$G$O$J$$$+$H$$e(B
e$B$&$N$,;d$N9M$($G$9!#e(B

e$B$7$+$b!“e(Bbinarye$B$rF3F~$7$F$b$[$s$H$&$K@5$7$/e(Bbinarye$B$,E,MQ$G$-$ke(B
e$B6ILL$,$I$l$@$1$”$k$+$H9M$($k$H!"5!3#$,<+F0E*$KH=CG$9$k$3$H$Oe(B
e$BIT2DG=$@$H;W$$$^$9!#$N$G!"8=>u$Ne(BASCII-8BITe$B$HF13J$Ke(Bbinarye$B$J$ke(B
e$B$b$N$rF3F~$9$k$3$H$K$O;?@.$7$^$;$s!#e(B

e$B$7$+$7!"?M4V$,<+3P$N>e$G!V$3$l$OJQ49$5$l$J$$!W$H;XDj$9$k$3$He(B
e$B$K$OLdBj$O$J$$$H;W$$$^$9$N$G!"e(Bbinarye$B$H$$$&e(Bencoding(e$B$=$N<BBN$Oe(B
ascii-8bite$B$N%l%W%j%+e(B)e$B$rMQ0U$7$F!“L@<(E*$Ke(Bforce_encodinge$B$9$ke(B
(e$B$”$k$$$O30It%(%s%3!<%G%#%s%0$H$7$F;XDj$9$ke(B)e$B$H$$$&%9%?%$%k$Je(B
e$B$iH?BP$O$7$^$;$s!#e(B

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

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

From: Yukihiro M. [email protected]
Subject: [ruby-dev:32564] Re: Binary String
Date: Thu, 13 Dec 2007 08:20:54 +0900
Message-ID: E1J2asw-0005T6-Fh@localhost

e$B30It$+$iF~NO$5$l$?%G!<%?$N$&$A!“e(Bbinarye$B$G$O$J$$$HL@$i$+$J$b$Ne(B
e$B$O!“e(Bdefault_externale$B%(%s%3!<%G%#%s%0$,IUM?$5$l$^$9!#5U$Ke(B
binarye$B$G$”$k2DG=@-$,$”$k$b$N$K$D$$$F$Oe(Bascii-8bite$B$K$J$j$^$9!#e(B
(snip)
e$B$3$A$i$O$“$j$($^$9!#L@<(E*$Ke(Bdefault_externale$B$re(BASCIIe$B$K;XDj$7$?e(B
e$B>l9g$H$+!“CN$i$J$$%(%s%3!<%G%#%s%0$N%m%1!<%k$@$C$?$j$H$+!#$Ge(B
e$B$b!”$=$N>l9g$K$O30It$+$iF~NO$5$l$?%G!<%?$N%(%s%3!<%G%#%s%0$Oe(B
ASCIIe$B$G$”$k$H9M$($F$h$$$N$G!“e(BUTF-8e$B$,BP>]$G$”$l$PJQ49$OITMW$Ge(B
e$B$O$J$$$+$H;W$$$^$9!#BP>]$,e(BUTF-16e$B$N>l9g$K$Oe(Bbinarye$B$He(Basciie$B$rL@3Ne(B
e$B$K6hJL$9$kI,MW$,=P$F$-$^$9$,!#e(B

e$B7k6I$N$H$3$m!$e(Bbinary e$B$G$“$k$3$H$,L@3N$G$”$k>l9g$G$“$C$F$b!$e(B
e$B!Ve(Bbinary
e$B$G$”$k!W$H$$$&;v<B$rL@3N$K5-O?$7$F$*$/$3$H$O$G$-$J$$e(B
e$B$H$$$&$3$H$G$9$h$M!)e(B

e$B$^$D$b$H$5$s$Oe(B binary string e$B$rI=$9e(B encodng e$B$NF3F~$K$Oe(B
e$B>h$j5$$G$J$$$h$&$K$*8+<u$1$7$^$9$,!$$=$NM}M3$O2?$J$N$G$7$g$&$+!)e(B

e$BAG?M9M$($G$O!$e(Bbinary e$B$rI=$9e(B encoding
e$B$rF3F~$9$k$3$H$G!$e(B
binary string e$B$G$“$k$3$H$,L@3N2=$5$l$F4r$7$$$H$$$&$3$H$O$”$C$F$be(B
e$B$=$Ne(B encoding e$B$NB8:_$,LdBj$H$J$k$3$H$O$J$$$h$&$K46$8$^$9!%e(B

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

From: Yukihiro M. [email protected]
Subject: [ruby-dev:32586] Re: Binary String
Date: Fri, 14 Dec 2007 01:07:24 +0900
Message-ID: E1J2qai-0002CA-28@localhost

e$B$^$:!“$$$^$^$Ge(BRubye$B$K$Oe(Bbinarye$B$H$$$&$b$N$O$J$/$F$=$l$J$j$KF0$$e(B
e$B$F$-$?$o$1$G$9!#$H$$$&$3$H$O!”<B$Oe(Bbinarye$B$OITMW$G$O$J$$$+$H$$e(B
e$B$&$N$,;d$N9M$($G$9!#e(B

[ruby-dev:31999] e$B$G=q$+$;$F$$$?$@$$$?DL$j!$e(B
Ruby/Tk e$B$G$Oe(B binary
e$B$G$"$k$3$H$r%^!<%/$7$F$$/$3$H$,I,MW$G$7$?!%e(B
1.8 e$B$^$G$Oe(B String e$B$,e(B encoding
e$B$N>pJs$r;}$C$F$$$J$+$C$?$?$a$Ke(B
Ruby/Tk e$BFH<+$Ke(B encoding e$B>pJs$r;}$?$;$F$^$7$?$,!$e(B
e$B$=$N:]$Ke(B binary e$B$G$"$k$3$H$NL@<($G$-$F$$$J$1$l$Pe(B
e$B=hM}$,$-$A$s$H9T$($J$$e(B or
e$B<BAu$
$h$S%f!<%6$N<j4V$,A}Bg$9$k$?$a$G$9!%e(B

[ruby-dev:32000] e$B$Oe(B encoding e$BL>$re(B ‘binary’

e$B$H$$$&L>A0$G$O$J$/e(B

‘identity’ e$B$H$$$&L>A0$K$7$F$*$1$Pe(B

e$B$o$6$o$6>r7oJ,$1$9$kI,MW$,$J$+$C$?$H$$$&OC$G$"$j!$e(B

binary e$BL@<($Ne(B encoding

e$B$,I,MW$H$$$&$3$H$KJQ$o$j$O$"$j$^$;$s!%e(B

Ruby e$B$NCf$@$1$G$9$Y$FJD$8$F$$$k$J$i$Pe(B
binary e$B$NL@<($,$J$/$F$b2?$H$+$J$k$N$+$b$7$l$^$;$s$,!$e(B
e$B30It%i%$%V%i%j$H$NO"7H;~$Ke(B Ruby/Tk e$B$N%1!<%9$HN`;w$7$?$3$H$,e(B
e$BH/@8$9$k2DG=@-$O==J,$K$"$k$H;W$$$^$9!%e(B

e$B$b$A$m$s!$=>Mh$HF1MM$KFH<+$K0u$r$D$1$k$3$H$O2DG=$G$9$,!$e(B
Encoding e$B$NBN7O$NCf$KAH$_F~$l$?J}$,L5M}$J$/07$&$3$H$,$G$-$^$9!%e(B

e$B$7$+$b!“e(Bbinarye$B$rF3F~$7$F$b$[$s$H$&$K@5$7$/e(Bbinarye$B$,E,MQ$G$-$ke(B
e$B6ILL$,$I$l$@$1$”$k$+$H9M$($k$H!"5!3#$,<+F0E*$KH=CG$9$k$3$H$Oe(B
e$BIT2DG=$@$H;W$$$^$9!#$N$G!"8=>u$Ne(BASCII-8BITe$B$HF13J$Ke(Bbinarye$B$J$ke(B
e$B$b$N$rF3F~$9$k$3$H$K$O;?@.$7$^$;$s!#e(B

e$B$O$$!%e(B
e$B$b$A$m$s<+F0E*$JH=CG$r$5$;$k$3$H$O9M$($F$$$^$;$s$7!$e(B
e$B$=$l$OIT2DG=$@$H;W$$$^$9!%e(B
e$B%9%/%j%W%H>e$GL@3N$K;XDj$7$?>l9g$K@_Dj$5$l$k$Y$-$b$N$G$9!%e(B
e$B$G$9$N$G!$e(B

e$B$7$+$7!"?M4V$,<+3P$N>e$G!V$3$l$OJQ49$5$l$J$$!W$H;XDj$9$k$3$He(B
e$B$K$OLdBj$O$J$$$H;W$$$^$9$N$G!"e(Bbinarye$B$H$$$&e(Bencoding(e$B$=$N<BBN$Oe(B
ascii-8bite$B$N%l%W%j%+e(B)e$B$rMQ0U$7$F!“L@<(E*$Ke(Bforce_encodinge$B$9$ke(B
(e$B$”$k$$$O30It%(%s%3!<%G%#%s%0$H$7$F;XDj$9$ke(B)e$B$H$$$&%9%?%$%k$Je(B
e$B$iH?BP$O$7$^$;$s!#e(B

e$B$H$$$&$h$&$KL@<($9$k$3$H$7$+9M$($F$$$^$;$s$G$7$?!%e(B

default_external e$B$K@_Dj$G$-$J$$$h$&$K$9$k$N$,$h$$$H;W$$$^$9$,!$e(B

I/O e$B$Ne(B encoding e$B$H$7$F$O;XDj$G$-$k$h$&$K$9$k$N$OJXMx$+$b!%e(B

e$B$^$D$b$H$5$s!"$3$s$K$A$O!#e(B

At 01:07 07/12/14, Yukihiro M. wrote:

e$B8=>u$G$O$=$&$G$9$M!#e(B
e$B$&$N$,;d$N9M$($G$9!#e(B
e$B$9$_$^$;$s$,!“$A$g$C$H7Z$/H?O@$9$k5$$K$J$j$^$7$?!#e(B
e$B$$$^$^$Ge(B (1.8) e$B$Ge(B Ruby e$B$Ge(B Encoding
e$B$H$$$&$b$N$O$J$/$F$b$=$l$J$j$Ke(B
e$BF0$$$F$-$?$o$1$G$9$h$M!#$H$$$&$3$H$O!”<B$Oe(B Encoding
e$B$OITMQ$@$O$J$$$+e(B
e$B$H$$$&0U8+$,$"$jF@$^$9$h$M!#e(B

e$B$7$+$b!“e(Bbinarye$B$rF3F~$7$F$b$[$s$H$&$K@5$7$/e(Bbinarye$B$,E,MQ$G$-$ke(B
e$B6ILL$,$I$l$@$1$”$k$+$H9M$($k$H!"5!3#$,<+F0E*$KH=CG$9$k$3$H$Oe(B
e$BIT2DG=$@$H;W$$$^$9!#e(B

e$BF1$8$/B>$Ne(B Encoding e$B$rF3F~$7$F$b!“K\Ev$K@5$7$$e(B Encoding
e$B$,E,MQe(B
e$B$G$-$k6ILL$,$I$l$@$1$”$k$G$7$g$&$+!#5!3#E*$J<+F0H=JL$O0lIt$NFCNce(B
e$B0J30$K$OIT2DG=$G$7$g$&!#e(B

e$B$N$G!"8=>u$Ne(BASCII-8BITe$B$HF13J$Ke(Bbinarye$B$J$ke(B
e$B$b$N$rF3F~$9$k$3$H$K$O;?@.$7$^$;$s!#e(B

e$BF13J$G$O$"$j$^$;$s!#e(BASCII-8BIT e$B$Oe(B asciicompat
e$B$G$9$,!“e(Bbinary
e$B$O$=$&$G$O$”$j$^$;$s!#e(B

e$B$7$+$7!"?M4V$,<+3P$N>e$G!V$3$l$OJQ49$5$l$J$$!W$H;XDj$9$k$3$He(B
e$B$K$OLdBj$O$J$$$H;W$$$^$9$N$G!"e(Bbinarye$B$H$$$&e(Bencoding(e$B$=$N<BBN$Oe(B
ascii-8bite$B$N%l%W%j%+e(B)e$B$rMQ0U$7$F!“L@<(E*$Ke(Bforce_encodinge$B$9$ke(B
(e$B$”$k$$$O30It%(%s%3!<%G%#%s%0$H$7$F;XDj$9$ke(B)e$B$H$$$&%9%?%$%k$Je(B
e$B$iH?BP$O$7$^$;$s!#e(B

ascii-8bit e$B$N%l%W%j%+$r:n$k$He(B asciicompat e$B$K$J$j$^$9$,!“e(B
e$B$=$l$O$h$/$”$j$^$;$s!#e(B

e$B@'Hs$48!F$$r59$7$/$*4j$$$7$^$9!#e(B Martin.

#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-# http://www.sw.it.aoyama.ac.jp mailto:[email protected]

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

From: Nobuyoshi N. [email protected]
Subject: [ruby-dev:32561] Re: Binary String
Date: Thu, 13 Dec 2007 03:43:41 +0900
Message-ID: [email protected]

e$B$=$&$G$"$k$J$i!$$d$O$j0BA43N<B$Je(B binary data e$B$N$?$a$Ne(B encoding e$B$,e(B

e$BM_$7$$$H46$8$^$9!%e(B

e$BI,MW$=$&$G$9$M!#e(B

e$B$3$l$K4|BT$7$F$$$k$N$G$9$,!$F3F~$O%@%a$J$N$G$7$g$&$+!)e(B

e$B8=>u!$e(Bforce_encoding(‘binary’)
e$B$J$I$O<u$1IU$1$F$O$/$l$^$9$,!$e(B
encoding e$B$O7k6Ie(B ASCII-8BIT
e$B$H$J$C$F$7$^$&$N$G6hJL$,$G$-$:Lr$KN)$A$^$;$s!%e(B
e$B$G$9$N$G!$e(B

  • ASCII-8BIT e$B$Ne(B replica e$B$G$"$k!%e(B

  • BINARY e$B$+$i$Ne(B encode e$B%a%=%C%I$G$Ne(B encoding
    e$BJQ49$OG’$a$J$$e(B (e$BNc30H/@8e(B)e$B!%e(B

  • force_encoding e$B$O2DG=e(B (encoding
    e$B>pJs$rIU$1JQ$($k$N$_e(B)e$B!%e(B

  • BINARY e$B$X$NJQ49$OG$0U$Ne(B encoding e$B$+$i2DG=e(B
    (force_encoding e$B$HF1MMe(B(?)e$B$Ke(B encoding
    e$B>pJs$rIU$1JQ$($k$N$_e(B)e$B!%e(B

e$B$H$$$&;EMM$N$b$N$G$O%@%a$G$7$g$&$+!)e(B

e$B$I$&$7$F$bF3F~$rG’$a$F$b$i$($J$$>l9g!$e(B
e$B$b$73HD%%i%$%V%i%j$GFH<+$Ne(B encoding
e$B$rDj5A$9$k$3$H$,$G$-$k$J$i!$e(B
tcltklib e$B$Ge(B TK_IDENTITY e$B$J$I$H$$$&$h$&$Je(B encoding
e$B$r:n@.$7$Fe(B
e$B$=$l$r;H$&$H$$$&$h$&$J$3$H$b9M$($F$$$^$9!%e(B
Encoding e$B7O$Ne(B API e$B$,$I$&$J$C$F$$$k$N$+A4$/CN$i$J$$$N$G!$e(B
e$B2?$r$I$&$d$C$F$I$N$/$i$$$N:n6H$,I,MW$J$N$+$re(B
e$BA4A3J,$+$C$F$O$$$J$$$N$G$9$,!%!%!%e(B(^_^;

e$B2DG=$@$H$7$F$b!$%i%$%V%i%j$GFH<+$KDI2C$9$k$N$O$G$-$k8B$jHr$1$?$$$N$G!$e(B
e$B$J$s$H$+F3F~$7$F$$$?$@$1$^$9$h$&$*4j$$$7$^$9!%e(B

In article [email protected],
Hidetoshi NAGAI [email protected] writes:

e$B8=>u!$e(Bforce_encoding(‘binary’) e$B$J$I$O<u$1IU$1$F$O$/$l$^$9$,!$e(B
encoding e$B$O7k6Ie(B ASCII-8BIT e$B$H$J$C$F$7$^$&$N$G6hJL$,$G$-$:Lr$KN)$A$^$;$s!%e(B

e$B$J$s$Ge(B ASCII-8BIT e$B$@$HLr$KN)$?$J$$$N$+M}2r$G$-$J$$$s$G$9$,!"e(B
e$B$I$&$7$F$J$s$G$7$g$&e(B?

In article 6.0.0.20.2.20071214170214.092683a0@localhost,
Martin D. [email protected] writes:

e$BF13J$G$O$"$j$^$;$s!#e(BASCII-8BIT e$B$Oe(B asciicompat e$B$G$9$,!“e(Bbinary
e$B$O$=$&$G$O$”$j$^$;$s!#e(B

e$B$=$&$$$&e(B binary e$B$J%(%s%3!<%G%#%s%0$K$D$$$F$O0JA09M$($Fe(B
[ruby-dev:32042] e$B$r=q$-$^$7$?!#e(B

binary e$B$Oe(B ASCII e$BJ8;z$H$^$C$?$/4X78$,$J$$$H$$$&$N$O@5$7$$$H$Oe(B
e$B;W$&$N$G$9$,!“$=$l$C$F;H$$$d$9$$$s$G$7$g$&$+!#$”$k$$$O!"?M4Ve(B
e$B$O$=$N$h$&$KG’<1$7$F$$$k$s$G$7$g$&$+!#e(BGIF e$B%U%!%$%k$N@hF,e(B
3e$B%Pe(B
e$B%$%H$,e(B GIF e$B$G;O$^$k$H$$$&$h$&$Ke(B (ASCII
e$B8_49$J4D6-$G@8$-$F$$e(B
e$B$ke(B) e$B?M4V$Oe(B ASCII
e$B$H%P%$%J%j$N6hJL$r$=$l$[$I87L)$K$O9T$C$F$$e(B
e$B$J$$$N$G$O$J$$$G$7$g$&$+!#e(B

e$B$^$?!“?M4V$NG’<1$KHf$Y$l$P>.$5$JOC$G$O$”$j$^$9$,!“8=<BE*$JLde(B
e$BBj$H$7$Fe(B Ruby e$B$NJ8;zNsA`:n$Oe(B ASCII
e$B$NJ8;z$K0MB8$7$F$$$k$H$3e(B
e$B$m$,B?!9$”$j$^$9!#e(B

e$B$?$H$($P!"@55,I=8=$K$O7+$jJV$7$rI=8=$9$ke(B ASTERISK e$B$H$$$&J8;ze(B
e$B$,I,MW$G$9!#$=$&$$$&J8;z$,B8:_$7$J$$%(%s%3!<%G%#%s%0$G$O7+$je(B
e$BJV$7$r$I$&I=8=$7$?$iNI$$$N$G$7$g$&e(B?

e$B@55,I=8=$G$J$/$F$b!"e(BString#count e$B$Oe(B HYPHEN-MINUS
e$B$r;H$C$FJ8e(B
e$B;z$NHO0O$rI=8=$7$^$9$7!"e(BCIRCUMFLEX ACCENT e$B$GJd=89g$rI=8=$7$^e(B
e$B$9!#$^$?e(B REVERSE SOLIDUS e$B$G%(%9%1!<%W$rI=8=$7$^$9!#F1MM$JI=e(B
e$B8=$Oe(B String#delete e$B$de(B String#squeeze e$B$K$b8+$i$l$^$9!#e(B

binary e$B$K$Oe(B HYPHEN-MINUS, CIRCUMFLEX ACCENT, REVERSE SOLIDUS
e$B$H$$$&J8;z$OB8:_$7$J$$$H9M$($i$l$^$9$,!"e(BString#count e$B$O$I$Ne(B
e$B$h$&$KF0:n$9$Y$-$G$7$g$&e(B?

e$BB>$K$be(B String#dump e$B$K$Oe(B QUOTATION MARK
e$B$J$I$,I,MW$G$9!#e(Bsub
e$B$de(B gsub e$B$NBhe(B2e$B0z?t$K$Oe(B REVERSE SOLIDUS e$B$de(B DIGIT
ONE e$BEy$,I,MWe(B
e$B$G$9!#e(B

e$B$b$7!“e(BASCII e$B$NJ8;z$rI=8=ITG=$Je(B binary
e$B$H$$$&%(%s%3!<%G%#%s%0e(B
e$B$rF3F~$9$k$J$i!”$=$N$h$&$JLdBj$r%/%j%“$9$kI,MW$,$”$k$N$G$O$Je(B
e$B$$$G$7$g$&$+!#e(B

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

Hidetoshi NAGAI wrote:

e$B$3$l$K4|BT$7$F$$$k$N$G$9$,!$F3F~$O%@%a$J$N$G$7$g$&$+!)e(B

e$B2?$r$I$&$d$C$F$I$N$/$i$$$N:n6H$,I,MW$J$N$+$re(B
e$BA4A3J,$+$C$F$O$$$J$$$N$G$9$,!%!%!%e(B(^_^;

e$B2DG=$@$H$7$F$b!$%i%$%V%i%j$GFH<+$KDI2C$9$k$N$O$G$-$k8B$jHr$1$?$$$N$G!$e(B
e$B$J$s$H$+F3F~$7$F$$$?$@$1$^$9$h$&$*4j$$$7$^$9!%e(B

e$B3HD%%i%$%V%i%j$GFH<+%(%s%3!<%G%#%s%0$NDj5A$O2DG=$G$9$,!"B?$/$N>l9g$=$&$7e(B
e$B$?I,MW$O$J$$$H;W$$$^$9!#e(B

e$B$3$NOC$Oe(B [ruby-dev:32550] e$B$NOC$@$H;W$&$N$G$9$,!“8=:_$Oe(B
e$B!Ve(BEncoding.default_external e$B$Ne(B encoding
e$B$G$”$k$H2>Dj$7$Fe(B
utf-8 e$B$X$N<+F0JQ49$r$+$1$k!W$Y$-J8;zNs$K$O:G=i$+$ie(B
default_external e$B$Ne(B
encoding e$B$,%;%C%H$5$l$F$$$k$O$:$G$9!#$D$^$j!"$=$N;~E@$G$^$@e(B
ASCII-8BIT
e$B$K$J$C$F$$$k$J$i$P!"$=$l$O%P%$%J%j%G!<%?$@$HH=CG$9$Y$-$G$7$g$&!#e(B

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

From: Tanaka A. [email protected]
Subject: [ruby-dev:33019] Re: Binary String
Date: Fri, 11 Jan 2008 17:28:34 +0900
Message-ID: [email protected]

e$B8=>u!$e(Bforce_encoding(‘binary’) e$B$J$I$O<u$1IU$1$F$O$/$l$^$9$,!$e(B
encoding e$B$O7k6Ie(B ASCII-8BIT e$B$H$J$C$F$7$^$&$N$G6hJL$,$G$-$:Lr$KN)$A$^$;$s!%e(B

e$B$J$s$Ge(B ASCII-8BIT e$B$@$HLr$KN)$?$J$$$N$+M}2r$G$-$J$$$s$G$9$,!"e(B
e$B$I$&$7$F$J$s$G$7$g$&e(B?

e$BA0Ds>r7o$N5-=R$,B-$j$^$;$s$G$7$?$M!%$4$a$s$J$5$$!%e(B

e$B!VLr$KN)$?$J$$!W$H$$$&$N$O!$e(B
Ruby/Tk e$B$K$*$1$ke(B encoding e$B$N<+F0JQ49=hM}$G$Ne(B
e$BH=Dj$K:]$7$F$G$9e(B ([ruby-dev:32550])e$B!%e(B

ASCII-8BIT e$B$O$"$^$j?.Mj$G$-$ke(B encoding e$B$G$O$J$$$G$9$h$M!)e(B
encoding e$B$rL@3N$K;XDj$7$F$$$J$1$l$P4JC1$Ke(B ASCII-8BIT e$B$Ke(B
e$B$J$C$F$7$^$$$^$9!%e(B
e$B$=$N$?$a!$e(BASCII-8BIT e$B$H$5$l$F$$$kJ8;zNs$N07$$$Oe(B
Ruby 1.8 e$B$N>l9g$HJQ$o$j$,$J$$$H9M$($F$$$^$9!%e(B

Ruby/Tk e$B$G$O!$ITL@3N$J>l9g$Ne(B encoding e$B$re(B Ruby 1.8 e$B$J$ie(B
$KCODE e$B$G!$e(B
Ruby 1.9 e$B$J$ie(B default_external e$B$G?dDj$7!$e(B
UTF-8 e$B$KJQ49$7$?8e$Ke(B Tcl/Tk e$BB&$KEO$9$h$&$K$7$^$9!%e(B

default_external e$B$be(B ASCII-8BIT e$B$J$i!$e(B

Tcl/Tk e$B$NJQ49%k!<%A%s$KH=CG$rG$$;$^$9!%e(B

e$B$7$+$7$J$,$i!$e(BRuby e$B$He(B Tcl/Tk e$B$H$N$d$j<h$j$K$Oe(B
e$B2hA|%G!<%?$J$I$Ne(B binary string e$B$bB8:_$7$^$9!%e(B
e$BEvA3!$$=$&$7$?J8;zNs$K$OJQ49$r$+$1$F$O$$$1$^$;$s!%e(B

e$B8=>u$Ne(B 1.9 e$B$G$Oe(B ASCII-8BIT
e$B$,9-$/MQ$$$i$l$F$7$^$&$?$a!$e(B
e$B!V?dDj$K$h$k<+F0JQ49$r$9$Y$-J8;zNs!W$J$N$+e(B
e$B!VJQ49$7$F$O$J$i$J$$J8;zNs!W$J$N$+$re(B
encoding e$B>pJs$r;H$C$FH=CG$9$k$3$H$,$G$-$^$;$s!%e(B

e$B8F$S=P$5$l$k%a%=%C%IB&$GH=CG$7$m$H$$$&$N$Oe(B

Ruby/Tk e$B$N%i%$%V%i%j$G$N5-=R$NI,MW@-$,e(B

e$BGzH/E*$KA}Bg$9$k62$l$,Bg$-$$$?$a!$$44*J[$/$@$5$$!%e(B

encoding e$B>pJs$GH=CG$G$-$J$1$l$P!$8=:_$Ne(B Ruby 1.8
e$B$N>l9g$N$h$&$K!$e(B
e$BFH<+$Ke(B binary e$B$+H]$+$N>pJs$rIUM?$7$F$d$i$M$P$J$j$^$;$s!%e(B
Ruby 1.9 e$B$G$O$;$C$+$/J8;zNs$,e(B encoding
e$B>pJs$r;}$D$h$&$K$J$C$?$N$K!$e(B
e$B$=$l$r3hMQ$G$-$:$KFH<+$K0[$J$k<jCJ$G>pJsIUM?$;$6$k$rF@$J$$$J$I$H$$$&e(B
e$BL5MM$J$3$H$K$J$C$F$7$^$$$^$9!%e(B
e$BM?$($i$l$?J8;zNs$,FH<+7A<0$GIUM?$7$?>pJs$r;}$D$+$I$&$+$re(B
e$BH=CG$9$k$H$$$&M>7W$J<j4V$bI,MW$G$9!%e(B

e$B!Ve(Bbinary e$B$G$“$k!W$3$H$rL@3N$K;X<($G$-$ke(B encoding
e$B$,$”$j$5$($9$l$Pe(B
e$BM>7W$J>r7oH=CG$bI,MW$H$;$:$9$C$-$j$H4JC1$K2r7h$G$-$kLdBj$G$9!%e(B
ASCII-8BIT e$B$Ne(B replica e$B$H$$$&$3$H$K$7$F$$1$P!$e(B
e$B0JA0$K$
$C$7$c$i$l$?e(B binary string
e$B$N%F%-%9%H=hM}$H$$$&E@$G$be(B
e$BLdBj$O$J$$$H;W$$$^$9!%e(B

e$B$=$l$G$b%@%a$G$7$g$&$+!)e(B

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

From: “NARUSE, Yui” [email protected]
Subject: [ruby-dev:33020] Re: Binary String
Date: Fri, 11 Jan 2008 18:26:56 +0900
Message-ID: [email protected]

e$B$3$NOC$Oe(B [ruby-dev:32550] e$B$NOC$@$H;W$&$N$G$9$,!“8=:_$Oe(B
e$B!Ve(BEncoding.default_external e$B$Ne(B encoding e$B$G$”$k$H2>Dj$7$Fe(B
utf-8 e$B$X$N<+F0JQ49$r$+$1$k!W$Y$-J8;zNs$K$O:G=i$+$ie(B default_external e$B$Ne(B
encoding e$B$,%;%C%H$5$l$F$$$k$O$:$G$9!#$D$^$j!“$=$N;~E@$G$^$@e(B ASCII-8BIT
e$B$K$J$C$F$$$k$J$i$P!”$=$l$O%P%$%J%j%G!<%?$@$HH=CG$9$Y$-$G$7$g$&!#e(B

e$BHsBP1~e(B locale e$B$@$C$?$j$7$?>l9g$K$Oe(B default_external e$B$Oe(B
ASCII-8BIT e$B$Ke(B
e$B$J$C$F$7$^$&$N$G$O$J$+$C$?$G$7$g$&$+!)e(B

e$B@h$N%a!<%k$G$O!Ve(Bdefault_external e$B$G!W$H$O=q$-$^$7$?$,!$e(B
Ruby e$BB&$,ITL@3N$J>l9g$K$O!$e(BTcl/Tk e$BB&$Ne(B encoding_system
e$B$re(B
e$B;H$&$h$&$K$7$F$$$^$9!%e(B

e$B$^$@e(B Ruby e$BB&$He(B Tcl/Tk e$BB&$Ne(B encoding

e$BL>$NBP1~$O$G$-$F$$$^$;$s$,!%e(B

e$B$=$&$7$?%1!<%9$Ge(B Ruby e$B>e$G$9$Y$Fe(B ASCII-8BIT
e$B$K$5$l$F$7$^$&$He(B
e$B$I$&$7$h$&$b$"$j$^$;$s!%e(B