3、列表范围：
(1..10) = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
(2, 5..7, 11) = (2, 5, 6, 7, 11)
(3..3) = (3)
.用于实数
(2.1..5.3) = (2.1, 3.1 ,4.1, 5.1)
(4.5..1.6) = ()
.用于字符串
("aaa".."aad") = ("aaa","aab", "aac", "aad")
@day_of_month = ("01".."31")
.可包含变量或表达式
($var1..$var2+5)
.小技巧：
$fred = "Fred";
print (("Hello, " . $fred . "!n") x 2);
其结果为：
Hello, Fred!
Hello, Fred!
4、数组的输出：
(1) @array = (1, 2, 3);
print (@array, "n");
结果为：123
(2) @array = (1, 2, 3);
print ("@arrayn");
结果为：1 2 3
5、列表/数组的长度
当数组变量出现在预期简单变量出现的地方，则PERL解释器取其长度。
@array = (1, 2, 3);
$scalar = @array; # $scalar = 3,即@array的长度
($scalar) = @array; # $scalar = 1,即@array第一个元素的值
注：以数组的长度为循环次数可做如下编程：
$count = 1;
while ($count <= @array) {
print ("element $count: $array[$count-1]n");
$count++;
}
6、子数组
@array = (1, 2, 3, 4, 5);
@subarray = @array[0,1]; # @subarray = (1, 2)
@subarray2 = @array[1..3]; # @subarray2 = (2,3,4)
@array[0,1] = ("string", 46); # @array =("string",46,3,4,5) now
@array[0..3] = (11, 22, 33, 44); # @array = (11,22,33,44,5) now
@array[1,2,3] = @array[3,2,4]; # @array = (11,44,33,5,5) now
@array[0..2] = @array[3,4]; # @array = (5,5,"",5,5) now
可以用子数组形式来交换元素：
@array[1,2] = @array[2,1];
7、有关数组的库函数
(1)sort--按字符顺序排序
@array = ("this", "is", "a","test");
@array2 = sort(@array); # @array2 = ("a","is", "test", "this")
@array = (70, 100, 8);
@array = sort(@array); # @array = (100, 70, 8) now
