珀尔 |推()函数
Perl 中的 push()函数用于将值列表推送到数组的末尾。 push()函数通常与 pop 一起使用来实现堆栈。 push()函数不依赖于作为列表传递的值的类型。这些值可以是字母数字。
Syntax: push(Array, List)
Parameter:
Array: in which list of values is to be added
List: which is to be added using push function
Returns:
the number of elements in new array.
示例 1:
#!/usr/bin/perl -w
# Original Array
@array = ( 10, 20, 30 );
# Printing Array elements
print "Original Array: @array \n";
# Calling push function to
# add a list of elements
push(@array, (35, 40, 55));
# Printing Updated array elements
print "Updated Array: @array \n";
输出:
Original Array: 10 20 30
Updated Array: 10 20 30 35 40 55
示例 2:
#!/usr/bin/perl -w
# Original Array
@array = ( 10, A, 30 );
# Printing Array elements
print "Original Array: @array \n";
# Calling push function to
# add a list of elements
push(@array, (F, G, H));
# Printing Updated array elements
print "Updated Array: @array \n";
输出:
Original Array: 10 A 30
Updated Array: 10 A 30 F G H