# exercice 5
use strict;
use warnings;
my %pers;
# importer les donnees
while (<>) {
chomp;
my ($nom, $age, $adresse) = split ' ', $_, 3;
$pers{$nom} = $age;
}
my ($nom, $age);
my $etape = 0;
$etape++; print "$etape. Les ages de tout le monde:\n";
for $nom (sort keys %pers) {
print " $nom : $pers{$nom}\n";
}
$etape++; print "$etape. Travailleurs:\n";
for $nom (sort keys %pers) {
$age = $pers{$nom};
if ($age >= 18 && $age < 65) {
print " $nom : $pers{$nom}\n";
}
}
$etape++; print "$etape. Un an passe...:\n";
for $nom (sort keys %pers) {
$pers{$nom}++;
}
$etape++; print "$etape. Les ages de tout le monde:\n";
for $nom (sort keys %pers) {
print " $nom : $pers{$nom}\n";
}
$etape++; print "$etape. Travailleurs:\n";
for $nom (sort keys %pers) {
$age = $pers{$nom};
if ($age >= 18 && $age < 65) {
print " $nom : $pers{$nom}\n";
}
}
$etape++; print "$etape. Les ages de tout le monde trie par age:\n";
for $nom (sort { $pers{$a} <=> $pers{$b} } keys %pers) {
print " $nom : $pers{$nom}\n";
}
$etape++; print "$etape. Environnement:\n";
for my $var (sort keys %ENV) {
#print " $var : $ENV{$var}\n";
printf " %-20s %-30.30s\n", $var, $ENV{$var};
}
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