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To: FreeBSD-users-jp@jp.freebsd.org
In-reply-to: Your message of Mon, 04 Dec 2000 19:48:46 JST.
             <200012050348.eB53mkj98705@oasis.sharplabs.com>
Date: Tue, 05 Dec 2000 13:33:16 +0900
From: Takashi SHIRAI <shirai@nintendo.co.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+000315
X-Sequence: FreeBSD-users-jp 57310
Subject: [FreeBSD-users-jp 57310] Re: expr(1)
 =?ISO-2022-JP?B?GyRCJE4bKEI=?= substr
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org
X-Originator: shirai@nintendo.co.jp

$B!!#N#e#c#o$G$9!#(B

$B!!:F$S8E;28~$1%b!<%I!#(B

In Message-Id <200012050348.eB53mkj98705@oasis.sharplabs.com>
        Norihiro Kumagai <kuma@oasis.sharplabs.com>$B$5$s(Bwrites:
> $B7'C+$G$9!#(B

> expr $B$K$O!"@55,I=8=$K$h$k%Q%?!<%s%^%C%A%s%0$,@.8y$7$?>l9g!"@55,I=8=Cf(B
> $B$KItJ,@55,I=8=;XDj(B ('\(...\)') $B$,4^$^$l$F$$$l$P!"$=$NItJ,$K3:Ev$9$kJ8(B
> $B;zNs$r=PNO$9$k$H$$$&M3=o@5$7$$5!G=$,$"$j$^$9!#(B

$B!!$=$l$,$I$3$+$G!V(Bsubstr $B5!G=!W$H$$$&L>$G8F$P$l$F$$$kLu$G$O(B
$B$"$j$^$;$s$h$M!)(B


> $BLn<s$5$s$,5-;v$G$*=q$-$K$J$C$?!V(Bsubstr $B5!G=!W$,!"$3$NM3=o@5$7$$5!G=$r(B
> $B;X$7$F$$$k$N$+$I$&$+$rG0$N$?$a3NG'$7$?$+$C$?$H$$$&$N$,!";d$N855-;v$N(B
> $B0U?^$G$9!#(B
> $B8!:w$dD4::$GLn<s$5$s$N0U?^$r$"$l$3$lA[A|$9$k$h$j$O!"D>@\$*J9$-$7$?J}$,(B
> $B@53N$J7k2L$,F@$i$l$k$@$m$&$H;W$C$?<!Bh!#(B

$B!!(BGNU sh-utils $B$N(B expr(1) $B$K$O$=$N$b$N$:$P$j!V(Bsubstr$B!W$H$$$&(B
$BL>A0$N(B ketword $B$,B8:_$9$k$3$H$O!"D4$Y$l$P(B 1 $BJ,$H$+$+$i$:$KH=(B
$BL@$9$k$H;W$$$^$9!#(B
$B!!$3$N!V(Bsubstr$B!W$,Ln<s$5$s$N0U?^$=$N$b$N$G$"$k$H;d$OH=CG$7$^(B
$B$7$?$,!"$=$l$O!VA[A|!W$H$$$&$h$j$OMZ$+$K3NEY%l%Y%k$N9b$$?dO@(B
$B2aDx$@$H;W$$$^$9!#(B
$B!!$`$7$m!"$3$3$^$GH=$C$F$$$F!V(B\(regexp\)$B!W$N$3$H$+$bCN$l$J$$(B
$B$H?dO@$9$kJ}$,MZ$+$K3NEY$NDc$$A[A|$G$"$j!"8@$$3]$+$j$K6a$$0u(B
$B>]$r<u$1$k$N$G$9$,$I$&$G$7$g$&!)(B

$B!!EvA3!"7'C+$5$s$O(B GNU expr $B$N(B substr $B$NB8:_$^$G$OCN$C$?>e$G!"(B
$B!V$b$7$+$9$k$H$=$l$N$3$H$G$O$J$$$+$bCN$l$J$$!W$H$$$&5?Ld$r3N(B
$BG'$7$F$$$k$N$G$9$h$M!)(B
$B!!?=$7Lu$J$$$1$l$I$b!"$"$N5-;v$+$i$O$=$N0U?^$O5b$_<h$l$^$;$s(B
$B$G$7$?!#!VD4$Y$:$K<ALd$9$k$J!W0JA0$NLdBj$G!"5-;v$=$N$b$N$N0U(B
$B?^$,ITL@3N2a$.$?$H;W$$$^$9!#(B
$B!!=q$-J}$H$7$F$O!"!V(Bexpr(1) $B$K$O(B \(regexp\) $B$H$$$&MQK!$b$"$j(B
$B$^$9$,$=$l$G$OBeMQ=PMh$J$$$G$7$g$&$+!)!W$H$+!V(Bsubstr $B$O$I$&(B
$B$7$F$b4X?tE*$JMQK!$G$J$$$HBLL\$G$9$+!)!W$H$+=q$1$PNI$+$C$?$N(B
$B$G$O!)(B

$B!t!!$I$NJU$,!V8e3X!W!)(B


> $BE*30$l$JFM$C9~$_$rHr$1$k$?$a$K$O!":G=i$+$i$3$3$^$G=q$$$H$$$?J}$,(B
> $BNI$+$C$?$+$J!#G[N8$,B-$j$:<:NiCW$7$^$7$?!#(B

$B!!$"$l$GE*30$l$H8@$o$l$F$b$M!<!#(B

                                       $BGr0f(B $BN4(B (as $B#N#e#c#o(B)
