質問編集履歴
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コードの追加
test
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File without changes
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test
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@@ -1 +1,445 @@
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ある程度スクリプトを作ってきたのですが、あるときから、変数の前にmyを付けないとエラーとなってしまうようになりました。そこで変数の前にmyを付けるとmyが必要ないとエラー表示されたり、myを付けているのにmyと付いていないとエラーが出ます。一体何なんなんでしょう？この解決策をお願いします。
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```#!C:/Perl64/bin/perl
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use strict;
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use warnings;
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use utf8;
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use CGI;
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my $query = new CGI;
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use CGI qw(:standard);
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use File::Copy;
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#binmode STDIN, ':utf8';
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#binmode STDOUT, ':utf8';
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#binmode STDERR, ':utf8';
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#use strict;
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#use warnings;
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#use DBI;
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#use DBD::SQLite;
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#追加use
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#use utf8;
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#use CGI;
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#$query = new CGI;
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#use CGI qw(:standard);
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#use File::Copy;
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#binmode STDIN, ':utf8';
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#binmode STDOUT, ':utf8';
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#binmode STDERR, ':utf8';
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#use strict;
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#use warnings;
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#追加use終了
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#binmode STDIN, ':encoding(cp932)';
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#binmode STDOUT, ':encoding(cp932)';
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#binmode STDERR, ':encoding(cp932)';
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my $syouhinkensaku = $query->param('syouhinkensaku');
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my $dir = "syouhin";
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chdir $dir
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or die "Cannot change working directory $dir: $!";
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my @file = glob "*";
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#@syouhinfile=join(",", @file)"\n";
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my @syouhinfile=join(",", @file);
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#$abc = "kensakuitiji.txt";
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#open(OUT, ">> $abc") || die("ファイルを追記モードで開けませんでした");
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#$msg2 = "@file\n";
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#print OUT $msg2;
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#close(OUT);
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if($syouhinkensaku ne ""){
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my $i=index(my @syouhinfile,my $syouhinkensaku);
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my $j=$i;
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while(1){
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my $sub = substr(my @syouhinfile, my $i, 1);
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if(my $sub eq ","){
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last;
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my $i=$i-1;
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}
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}
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$i=$i+1;
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while(1){
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my $sub = substr(my @syouhinfile, my $j,1);
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if(my $sub eq ","){
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last;
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my $j=$j+1;
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}
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}
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$j= $j-1;
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my $k=$j-$i-1;
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my $sub2 = substr(@syouhinfile, $i, $k);
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}
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print "Content-type: text/html\n\n";
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print<<"HTML";
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>検索ヒット</title>
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</head>
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<body bgcolor="#000066" text="#ff0000" link="#0000ee" alink="#0000ee" vlink="#551a8b">
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<form action="b5.cgi">
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<form>
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my @syouhinfile<br>
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my $sub2<br>
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<input type="submit" onclick="location.href'b5.cgi'" value="NEXT"><input type="reset" value="RESET">
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</form>
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<br>
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<br>
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</body>
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</html>
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HTML
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exit;
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```
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上述のコードをデバッグすると、my $sub2 にmyが付いていないとエラーになります。
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```#!C:/Perl64/bin/perl
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use strict;
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use warnings;
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use utf8;
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use CGI;
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my $query = new CGI;
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use CGI qw(:standard);
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use File::Copy;
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#binmode STDIN, ':utf8';
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#binmode STDOUT, ':utf8';
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#binmode STDERR, ':utf8';
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#use strict;
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#use warnings;
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#use DBI;
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#use DBD::SQLite;
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#追加use
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#use utf8;
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#use CGI;
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#$query = new CGI;
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#use CGI qw(:standard);
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#use File::Copy;
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#binmode STDIN, ':utf8';
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#binmode STDOUT, ':utf8';
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#binmode STDERR, ':utf8';
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#use strict;
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267
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#use warnings;
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#追加use終了
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#binmode STDIN, ':encoding(cp932)';
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#binmode STDOUT, ':encoding(cp932)';
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#binmode STDERR, ':encoding(cp932)';
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my $syouhinkensaku = $query->param('syouhinkensaku');
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my $dir = "syouhin";
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chdir $dir
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or die "Cannot change working directory $dir: $!";
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292
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my @file = glob "*";
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294
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#@syouhinfile=join(",", @file)"\n";
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300
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my @syouhinfile=join(",", @file);
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304
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305
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#$abc = "kensakuitiji.txt";
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306
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307
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#open(OUT, ">> $abc") || die("ファイルを追記モードで開けませんでした");
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308
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309
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#$msg2 = "@file\n";
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310
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#print OUT $msg2;
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312
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#close(OUT);
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my $i;
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318
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319
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my $h=0;
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320
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321
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my @sub2;
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322
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323
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if($syouhinkensaku ne ""){
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324
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325
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while($i!=-1){
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326
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327
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my $i=index(@syouhinfile,$syouhinkensaku,$h);
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328
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329
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my $j=$i;
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330
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331
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while(1){
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332
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333
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my $sub = substr(@syouhinfile,$i, 1);
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334
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335
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if($sub eq ","){
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336
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337
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last;
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338
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339
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my $i=$i-1;
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340
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341
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}
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342
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343
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}
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344
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345
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$i=$i+1;
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346
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347
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while(1){
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348
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349
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my $sub = substr(@syouhinfile,$j, 1);
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350
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351
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if($sub eq ","){
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352
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353
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last;
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354
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355
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my $j=$j+1;
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356
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357
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}
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358
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359
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}
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360
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361
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$j=$j-1;
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362
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363
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my $k=$j-$i-1;
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364
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365
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my $l=my $l+1;
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366
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367
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$sub2[$l] = substr(@syouhinfile,$i,$k);
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368
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369
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my $h=$i+1;
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370
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371
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#$i=-1;
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372
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373
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}
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374
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375
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}
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376
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377
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378
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379
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+
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380
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+
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381
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+
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382
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383
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print "Content-type: text/html\n\n";
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384
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385
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print<<"HTML";
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386
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|
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387
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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388
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+
|
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389
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<html>
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390
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+
|
|
391
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<head>
|
|
392
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+
|
|
393
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+
<title>検索ヒット</title>
|
|
394
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+
|
|
395
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+
</head>
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|
396
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+
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397
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<body bgcolor="#000066" text="#ff0000" link="#0000ee" alink="#0000ee" vlink="#551a8b">
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398
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+
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399
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<form action="b5.cgi">
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400
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+
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|
401
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<form>
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|
402
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+
|
|
403
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+
@syouhinfile<br>
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|
404
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+
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405
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for(my $m=1;my $m=my $l;my $m++){
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|
406
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+
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407
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$sub2[my $m]<br>
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|
408
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+
|
|
409
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+
}
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|
410
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+
|
|
411
|
+
<input type="submit" onclick="location.href'b5.cgi'" value="NEXT"><input type="reset" value="RESET">
|
|
412
|
+
|
|
413
|
+
</form>
|
|
414
|
+
|
|
415
|
+
<br>
|
|
416
|
+
|
|
417
|
+
<br>
|
|
418
|
+
|
|
419
|
+
</body>
|
|
420
|
+
|
|
421
|
+
</html>
|
|
422
|
+
|
|
423
|
+
HTML
|
|
424
|
+
|
|
425
|
+
exit;
|
|
426
|
+
|
|
427
|
+
```
|
|
428
|
+
|
|
429
|
+
上述のコードをデバッグすると、
|
|
430
|
+
|
|
431
|
+
my $l=my $l+1;
|
|
432
|
+
|
|
433
|
+
のmyを取るとmyが必要と表示され、myを付けるとmyが必要ないと表示されます。そして
|
|
434
|
+
|
|
435
|
+
for(my $m=1;my $m=my $l;my $m++){
|
|
436
|
+
|
|
437
|
+
$sub2[my $m]<br>
|
|
438
|
+
|
|
439
|
+
}
|
|
440
|
+
|
|
441
|
+
の$m と$lに myがついているにもかかわらず、myが付いていないとエラーが表示されます。
|
|
442
|
+
|
|
443
|
+
|
|
444
|
+
|
|
445
|
+
よろしくお願いします。
|