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| Language | Perl |
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| Owner | w3xue |
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| Modified | |
| Visibility | Public |
#!/usr/bin/perl
# 全局变量
$string = "Hello, World!";
# 函数定义
sub PrintHello{
# PrintHello 函数的私有变量
my $string;
$string = "Hello, W3xue!";
print "函数内字符串：$string\n";
}
# 调用函数
PrintHello();
print "函数外字符串：$string\n";
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