Newsgroups: fj.lang.perl,fj.os.linux
Path: galaxy.trc.rwcp.or.jp!coconuts.jaist!wnoc-tyo-news!np1.iij.ad.jp!nf0.iij.ad.jp!nr1.iij.ad.jp!news.iij.ad.jp!othp1.sci.jri.co.jp!othp1!mishima
From: mishima@osa.sci.jri.co.jp (Masahiro Mishima)
Subject: Re: Why does "$line = tr/\n/\n/;" cause warn?
In-Reply-To: kjsasaki@rd.fujitec.co.jp's message of Tue, 8 Apr 1997 09:13:47 -0000
Content-Type: text/plain; charset=ISO-2022-JP
Message-ID: <MISHIMA.97Apr9111331@oppc1.osa.sci.jri.co.jp>
Sender: news@osa.sci.jri.co.jp (NetNews)
Nntp-Posting-Host: oppc1
Organization: The Japan Research Institute,LTD.,JAPAN
References: <860490827.22438@pcibm5.rd.fujitec.co.jp>
Mime-Version: 1.0 (generated by tm-edit 7.59)
Date: Wed, 9 Apr 1997 02:13:31 GMT
Lines: 28
Xref: galaxy.trc.rwcp.or.jp fj.lang.perl:1879 fj.os.linux:732
X-originally-archived-at: http://galaxy.rwcp.or.jp/text/cgi-bin/newsarticle2?ng=fj.lang.perl&nb=1879&hd=a
X-reformat-date: Mon, 18 Oct 2004 15:18:22 +0900
X-reformat-comment: Tabs were expanded into 4 column tabstops by the Galaxy's archiver. See http://katsu.watanabe.name/ancientfj/galaxy-format.html for more info.

In article <860490827.22438@pcibm5.rd.fujitec.co.jp> kjsasaki@rd.fujitec.co.jp (Kenji Sasaki) writes:

> !/usr/local/bin/perl -w
>   undef $/;
>   $_ = <STDIN>;
>   $line = tr/\n/\n/;
>   print "$line\n";
($BCfN,(B)
> % zz < zz
> Use of uninitialized value at zz line 4, <STDIN> chunk 1.
> Use of uninitialized value at zz line 4, <STDIN> chunk 1.
> 5
> $B$H$J$j$^$9(B(( setenv LANG C ; zz < zz )$B$G$bF1$8(B)
> 
> $B$J$K$V$s(B perl $B$K$OA4$/AG?M$J$N$G!"$J$<(B warning $B$,$G$k$N$+$o$+$j$^$;$s!#(B
> $B$J$<$G$9$+!#$J$K$,(B uninitialized $B$J$s$G$7$g$&$+(B?

perl $B$K(B -w $B%*%W%7%g%s$rIU$1$F5/F0$9$k$H!"(Bpredefined $B$G$J$$JQ?t(B($B$3$N>l(B
$B9g(B $line)$B$,!"(Bmy $B$H$+(B local $B$H$+$N@k8@$J$7$G;H$o$l$F$$$k>l9g$K!"$=$&$$(B
$B$&%a%C%;!<%8$,=P$^$9!#(B

> slack $B$KIUB0$9$k(B perl5.003 $B$G$O(B
> % ( setenv LANG C ; zz < zz )
> 5

$B$H$J$k$N$,IT;W5D$G$9!#(B-w $B$,8z$$$F$J$$$s$G$7$g$&$+!#(B

$B;0Eh(B
