🚀 go-pugleaf

In article <rsqbuh6q48n.fsf@carbon.jaist.ac.jp> akr@jaist.ac.jp (Tanaka Akira) writes:
 |$B@55,I=8=$N0UL#$C$F2?$G$9$+!)(B
 |$BC1$K@55,I=8=$NI=$9J8;zNs$N=89g$N$3$H$G$9$+!)(B
 |$B$=$l$H$b$=$N=89g$NCf$+$i$J$K$+$rA*$S=P$9;~$N@)8f$NJ}K!$^$G4^$s$G$$$^$9(B
 |$B$+!)(B

  $B$3$l$O!"M-8B%*!<%H%^%H%s$G=q$$$?;~$KF1$8=89g$r<uM}$9$k$H$$$&0UL#$G;H$C(B
$B$?$N$G$9$,!"3N$+$K$=$l$@$1$G$O<B:]$K$I$NJ8;z$K%^%C%A$9$k$N$+$O0l0U$K7h(B
$B$^$j$^$;$s$M!#@h$NNc$N>l9g$O!"(Bleftmost $B$H(B longest $B$@$1$G9M$($F$b(B $B$=$l(B
$B$,0l0U$K7h$^$k$N$G(B fo $B$K$J$C$FM_$7$+$C$?$H$$$&0UL#$G$7$?$,!"(B perl $B$N;E(B
$BMM$OG<F@$7$^$7$?!#(B

 |$BC1$K@55,I=8=$NI=$9J8;zNs$N=89g$N$3$H$rI=$7$F$$$k$N$J$i(B, 2$B$D$N@55,I=8=(B
 |$B$NI=$9J8;zNs$N=89g$,F1$8$@$+$i$H$$$C$F(B, $B<B:]$NJ8;zNs$NItJ,J8;zNs$N=89g(B
 |$B$H$N6&DLItJ,$NCf$+$iA*$S=P$9$b$N$,$*$J$8$G$J$1$l$P$$$1$J$$$J$I$H$$$&5,(B
 |$BB'$O$^$C$?$/B8:_$7$J$$$H;W$$$^$9!#(B($B$@$+$i=hM}7O$O<+M3$KA*$s$G$$$$(B--$BMp(B
 |$B?t$GA*$s$@$C$F$+$^$o$J$$(B--$B$H;W$$$^$9!#(B)

  $B%^%C%A$9$k$+$I$&$+$rD4$Y$k$@$1$G:Q$`$b$N$K4X$7$F$O!"$=$&;W$$$^$9!#(B

  $B$=$l$K!"(Bleftmost $B$H(B longest $B$r2C$($?;~E@$G!":G=i$K%^%C%A$9$k$b$N$O7h(B
$B$^$k$N$G!"(B (g $B$N$J$$(B) s/// $B$NF0$-$b$3$l$G7h$^$j$^$9!#(B

$BLdBj$O!"(Bs///g $B$K4X$7$F!"(B

 |$B$G$b(B, $B$3$l$i$N>r7o$b$d$O$j6uJ8;zNs$KBP$7$F[#Kf$G$J$$5,B'$rM?$($F$$$k$H(B
 |$B$O;W$$$^$;$s$1$I!#(B

$B$H$$$&$3$H$J$N$G$9$,!"$3$l$rDj$a$F$$$J$$$GNI$$$N$+$H$$$&5?Ld$,$"$j$^$9!#(B
(awk $B$N(B Posix $B$H$$$&$N$ODj$a$F$$$k$H$3$m$@$H$+(B gawk $B$N(B info $B$K=q$$$F$"(B
$B$j$^$7$?$1$I!"$3$NE@$N5-=R$O$"$k$N$G$7$g$&$+(B?)

  $B@55,I=8=<+BN$O6uJ8;zNs$K4X$7$F$b@.$jN)$DM}O@BN7O$J$N$G!"(Bs///g $B$b6uJ8(B
$B;zNs$r4^$a$F0l0U$KF0:n$,Dj$^$k$h$&$J5,Dj$,M_$7$$$H;W$&$N$G$9$,!#$=$7$F!"(B
$B$=$N5,Dj$K=>$($P!"(B s/.*/X/g $B$H$7$?$i!"$I$s$JJ8;zNs$KBP$7$F$b(B X $B$K$J$C(B
$B$FM_$7$$$7!"(B"foo" =~ s/.{0}/X/g $B$H$7$?$i(B XfXoXoX $B$H$J$C$FM_$7$$$H;W$$(B
$B$^$9$,!"$3$&$J$k$h$&$J5,Dj$r4JC1$J5,B'$G@bL@$G$-$J$$$b$N$G$7$g$&$+!"$H(B
$B$$$&$N$,<gD%$7$?$$E@$G$9!#(B


							     $B8M:j(B $B1Q0l(B
                                                tozaki@math.keio.ac.jp