Perl hex函数

Perl中的hex函数将给定的十六进制数字（以16为基数）转换为等效的十进制数字（以10为基数）。

语法： hex number

参数：

number： 要转换的十六进制数

返回： 所给十六进制数的等效十进制数。

例子 1 :

#!/usr/bin/perl
  
# Initialising some hexadecimal values for
# the parameter of the hex function
A = "A";B = "B";
C = "1A";D = "2C";
  
# Calling the hex function
E = hexA;
F = hexB;
G = hexC;
H = hexD;
  
# Getting the equivalent decimal number
# of the given hexadecimal number
print "E\n";
print "F\n";
print "G\n";
print "H\n";

**
输出**

10
11
26
44

例2:

#!/usr/bin/perl
  
# Initialising some hexadecimal values and
# Calling the hex function
A = hex D;B = hex af;
C = hex AF;D = hex BF;
  
# Getting the equivalent decimal number
# of the given hexadecimal number
print "A\n";
print "B\n";
print "C\n";
print "D\n";

输出:

13
175
175
191