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Perl入学式in東京vol.3の復習問題「score.pl」より 第3問『五段階評価』。
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#!/usr/bin/env perl | |
use strict; | |
use warnings; | |
use utf8; | |
binmode STDOUT, ":utf8"; | |
#ここからしばらく素材データ。 | |
my $papix = { | |
name => 'papix', | |
affiliation => 'namba.pm', | |
perl => 60, | |
python => 50, | |
ruby => 50, | |
php => 80, | |
binary => 30, | |
}; | |
my $boolfool = { | |
name => 'boolfool', | |
affiliation => 'namba.pm', | |
perl => 40, | |
python => 10, | |
ruby => 20, | |
php => 30, | |
binary => 10, | |
}; | |
my $moznion = { | |
name => 'moznion', | |
affiliation => 'hachioji.pm', | |
perl => 100, | |
python => 70, | |
ruby => 80, | |
php => 50, | |
binary => 50, | |
}; | |
my $binarian = { | |
name => 'binarian', | |
affiliation => 'hachioji.pm', | |
perl => 10, | |
python => 11, | |
ruby => 1, | |
php => 100, | |
binary => 100, | |
}; | |
my $uzulla = { | |
name => 'uzulla', | |
affiliation => 'hachioji.pm', | |
perl => 1, | |
python => 0.01, | |
ruby => 0.5, | |
php => 4, | |
binary => 0.01, | |
}; | |
#ここから回答。 | |
my @people = ($papix, $boolfool, $moznion, $binarian, $uzulla); | |
my @lang = qw(perl python ruby php binary); | |
for my $people(@people) { | |
print "$people->{name}: \n"; | |
for my $lang (@lang) { | |
my $num = $people->{$lang}; | |
my $rate; | |
if ($num == 100) { | |
$rate = "★★★★★"; | |
} elsif ($num <= 99 && $num >= 80) { | |
$rate = "★★★★"; | |
} elsif ($num <= 79 && $num >= 60) { | |
$rate = "★★★"; | |
} elsif ($num <= 59 && $num >= 40) { | |
$rate = "★★"; | |
} elsif ($num <= 39 && $num >= 20) { | |
$rate = "★"; | |
} else { | |
$rate = ""; | |
} | |
print " $lang: $rate\n"; | |
} | |
} |
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修正しました! 動作も問題ありませんでした。
インデントは最後に崩れを直しているときに、その部分で少しどうすればいいのか迷ったのですが、ご指摘に沿ってやってみたら随分すっきりしました。他のファイルも同様の観点で見なおしてみたいと思います。