珀尔 | chr()函数

Perl 中的 chr()函数返回一个字符串，该字符串表示其 Unicode 代码点为整数的字符。

Syntax: chr(Num)
Parameters: 
Num : It is an unicode integer value whose corresponding character is returned .
Returns: a string representing a character whose Unicode code point is an integer.

示例 1：

Perl

#!/usr/bin/perl
 
# Taking some unicode integer value as the parameter
# of the chr() function and returning the corresponding
# characters as output
print chr(71), chr(101), chr(101), chr(107), chr(115);
print "\n";
print chr(102), chr(111), chr(114);
print "\n";
print chr(71), chr(101), chr(101), chr(107), chr(115);

输出：

Geeks
for
Geeks

示例 2：

Perl

#!/usr/bin/perl
 
# Initialising an array of some unicode integer values
# and retrieving each value and printing their
# corresponding characters
my @Array = (71, 101, 101, 107, 115);
foreach my $element (@Array) {
    print chr($element);
}

输出 ：

Geeks