io.set_encoding("UTF-8", "UTF-8") $B$G%(%i!<(B

Ruby Development
1

Gimitee$B$H$$$$$^$9!#e(B

Ruby 1.9.1e$B$Ge(B

$stdin.set_encoding(“UTF-8”, “UTF-8”)
$stdin.gets()

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test.rb:4:in gets': code converter not found (UTF-8 to UTF-8) (Encoding::ConverterNotFoundError) e$B$H8@$o$l$k$N$O!"$$$1$F$J$$5$$,$9$k$N$G$9$,!"$3$&$$$&$b$N$G$7$g$&$+!#$3$NNc$@$He(B$stdin.set_encoding("UTF-8")e$B$H$9$l$P:Q$$N$G$9$,!"$?$H$($P!VI8=`F~NO$G%m%1!<%k$NJ8;z%3!<%I$+$ie(BUTF-8e$B$KJQ49$7$?$$!W$H$$$&$H$-$Ke(B

$stdin.set_encoding(Encoding.find(“locale”),
Encoding.find(“locale”) == Encoding::UTF_8 ? nil : Encoding::UTF_8)

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external_encodinge$B$J$iAGDL$7$9$k!"$H$$$&$N$O$I$&$G$7$g$&$+!)e(B

e$B$A$J$_$K!"=PNO$N>l9g$O%(%i!<$K$J$i$J$$$h$&$G$9!#e(B
$stdout.set_encoding(“UTF-8”, “UTF-8”)
$stdout.puts(“e$B$[$2e(B”)

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ruby 1.9.1p0 (2009-01-30 revision 21907) [i386-freebsd6.0]
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2

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Hiroshi Ichikawa wrote:

e$B$H8@$o$l$k$N$O!"$$$1$F$J$$5$$,$9$k$N$G$9$,!"$3$&$$$&$b$N$G$7$g$&$+!#$3$NNc$@$He(B$stdin.set_encoding(“UTF-8”)e$B$H$9$l$P:Q$$N$G$9$,!"$?$H$($P!VI8=F~NO$G%m%1!<%k$NJ8;z%3!<%I$+$ie(BUTF-8e$B$KJQ49$7$?$$!W$H$$$&$H$-$Ke(B

$stdin.set_encoding(Encoding.find(“locale”),
Encoding.find(“locale”) == Encoding::UTF_8 ? nil : Encoding::UTF_8)

e$B$H=q$+$J$1$l$P$$$1$J$$$N$O$d$dLLE]$J5$$,$7$^$9!#e(Binternal_encoding ==
external_encodinge$B$J$iAGDL$7$9$k!"$H$$$&$N$O$I$&$G$7$g$&$+!)e(B

e$B$A$J$_$K!"=PNO$N>l9g$O%(%i!<$K$J$i$J$$$h$&$G$9!#e(B
$stdout.set_encoding(“UTF-8”, “UTF-8”)
$stdout.puts(“e$B$[$2e(B”)

e$B3N$+$K6D$kDL$j$J$N$Ge(B r22146 e$B$G$=$N$h$&$K$7$^$7$?!#e(B