Perl

2進数から10進数

  1. 2進数10進数変換 
    • http://nlp.kimura-s.otaru-uc.ac.jp/InformationProcessing/From2To10.cgi
      	#!/usr/bin/perl
      	use CGI;
      	my $charset="utf-8";
      	my $title="小樽商科大学";
      	my $myself = './From2To10.cgi';#<------------------修正
      	my $q = new CGI;
      	print $q->header(-charset=>$charset);
      	print $q->start_html(-title=>$title, -encoding=>$charset);
      	print $q->h1('2進数から10進数への変換');
      	print $q->h3('半角数字で2進数を入力して下さい。');
      	#時間
      	my @time = localtime(time);
      	$time[4]++;
      	$time[5] += 1900;
      	#print "<br>$time[5]月$time[4]月$time[3]日$time[2]時$time[1]分$time[0]秒<br>";
      	#print "$ENV{'REMOTE_ADDR'}<br>";
      	#入力単語
      	if($q->param('user')){
      	
      	        if($q->param('user') =~ /^[01]+$/){
      	                print "入力(2進数):" . $q->param('user') . "<br>";
      	                # 10進数から2進数
      	                #my $bin = sprintf "%b", 1000;
      	                #print $bin, "\n"; # 1111101000
      	                # 2進数から10進数
      	                my $dec = oct "0b" . $q->param('user');
      	                print "結果(10進数):" .  $dec, "<br>"; # 1000
      	        }
      	        else{
      	                print  "「" . $q->param('user')  . "」は2進数ではありません" . "<br>";
      	        }
      	}
      	print $q->start_form(-method => 'POST', -action => $myself);
      	print qq|<input type="text" size="30" name="user" value="01011">|;
      	print qq|<input type="submit" name="submit" value="送信">|;
      	print $q->end_form();
      	print $q->end_html();

10進数から2進数

  1. 10進数2進数変換
    • http://nlp.kimura-s.otaru-uc.ac.jp/InformationProcessing/From10To2.cgi
      	#!/usr/bin/perl
      	use CGI;
      	my $charset="utf-8";
      	my $title="小樽商科大学";
      	my $myself = './From10To2.cgi';#<------------------修正
      	my $q = new CGI;
      	print $q->header(-charset=>$charset);
      	print $q->start_html(-title=>$title, -encoding=>$charset);
      	print $q->h1('10進数から2進数への変換');
      	print $q->h3('半角数字で10進数を入力して下さい。');
      	#時間
      	my @time = localtime(time);
      	$time[4]++;
      	$time[5] += 1900;
      	#print "<br>$time[5]月$time[4]月$time[3]日$time[2]時$time[1]分$time[0]秒<br>";
      	#print "$ENV{'REMOTE_ADDR'}<br>";
      	#入力単語
      	if($q->param('user')){
      	
      	        if($q->param('user') =~ /^\d+$/){
      	                print "入力(10進数):" . $q->param('user') . "<br>";
      	                # 10進数から2進数
      	                my $bin = sprintf "%b", $q->param('user');
      	                print "結果(2進数)" . $bin, "<br>\n"; # 1111101000
      	                # 2進数から10進数
      	                #my $dec = oct "0b" . $q->param('user');
      	                #print "結果(10進数):" .  $dec, "<br>"; # 1000
      	        }
      	        else{
      	                print  "「" . $q->param('user')  . "」は10進数ではありません" . "<br>";
      	        }
      	}
      	print $q->start_form(-method => 'POST', -action => $myself);
      	print qq|<input type="text" size="30" name="user" value="13">|;
      	print qq|<input type="submit" name="submit" value="送信">|;
      	print $q->end_form();
      	print $q->end_html();
      	}