Вопрос по перлу

[nataraj]

Хочу создать строку из N пробелов. Можно ли это сделать эффективнее чем в цикле добавлять по пробелу? (сишную вставку писать не хочу) Может быть есть готовая функция? ;-)

Comments

[alexkuklin.livejournal.com]

man perlop, вообще-то

Multiplicative Operators

Binary ``*'' multiplies two numbers.

Binary ``/'' divides two numbers.

Binary ``%'' computes the modulus of two numbers. Given integer operands $a and $b: If $b is positive, then $a % $b is $a minus the largest multiple of $b that is not greater than $a. If $b is negative, then $a % $b is $a minus the smallest multiple of $b that is not less than $a (i.e. the result will be less than or equal to zero). Note that when use integer is in scope, ``%'' gives you direct access to the modulus operator as implemented by your C compiler. This operator is not as well defined for negative operands, but it will execute faster.

Binary ``x'' is the repetition operator. In scalar context or if the left operand is not enclosed in parentheses, it returns a string consisting of the left operand repeated the number of times specified by the right operand. In list context, if the left operand is enclosed in parentheses or is a list formed by qw/STRING/, it repeats the list. If the right operand is zero or negative, it returns an empty string or an empty list, depending on the context.


print '-' x 80; # print row of dashes