for

2013-08-23 22:52
my $result = 1;
for (my $num = 1; $num <= 10; $num = $num + 1) {
    $result *= $num;
}

 

for my $num (1...10) { # 這就是表示$num從1到10

    print $num;
}


這其實可以寫成:


for (1...10) {           # $_ 經常被拿來作為迴圈的預設變數
    print $_;
}


更簡化的寫法:


print for (1...10);