Perl |十六进制函数

原文:https://www.geeksforgeeks.org/perl-hex-function/

Perl 中的十六进制函数将给定的十六进制数(基数为 16)转换为其等价的十进制数(基数为 10)。

语法:十六进制数

参数: 编号:待转换的十六进制数

返回:给定十六进制数的等价十进制数。

例 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 = hex $A;
$F = hex $B;
$G = hex $C;
$H = hex $D;

# 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

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