From: Tanaka Akira <akr@...17n.org>
Date: 2002-05-14T15:34:34+09:00
Subject: [ruby-dev:17095] irb & jarh

$B$U$H!"(Birb $B$G(B jarh $B$r$$$/$D$+;n$7$?$N$G$9$,!"$&$^$/07$($J$$$b$N$,$"$k$h$&$G$9!#(B

% irb
irb(main):001:0> for i in 'Just another Ruby hacker,' do print i end
irb(main):002:1> 

^D $B$G(B EOF $B$rAw$k$H=P$F$-$^$9!#(B

irb(main):002:1> <EOF>Just another Ruby hacker,"Just another Ruby hacker,"

$B$^$?!"(B

$><<<<'<'.chomp
Just another Ruby hacker,
<

$B$H$$$&$N$O(B

% irb
irb(main):001:0> $><<<<'<'.chomp
SyntaxError: compile error
(irb):1: can't find string "<" anywhere before EOF
(irb):1: parse error
$><<<<'<'.chomp
         ^
        from (irb):1
irb(main):002:0> 

$B$H$$$&$h$&$K(B 1$B9TL\$G(B syntax error $B$K$J$k$h$&$G$9!#(B

$B$A$J$_$K!"(Bhttp://www.ruby-lang.org/~eban/ruby/jarh.rb $B$O!"$$$/$D$+6h@Z(B
$B$j$,$*$+$7$$$H$3$m$,$"$k$h$&$G$9!#(B

#----------
a=0;[74,63,6,7,84,65,15,1,27,28,13,23,82,114,39,23,27,89,72,9,2,8,14,23,94].
#----------
each do|x|printf"%c",a^=x end
#----------

$B$H$+!#(B
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$U$($m(B! $B$o$+$a$A$c$s:n@o$G$9$(C"=$B!W(B(Little Worker, $B7KM7@84](B)