Perl foreach 循环
Perl 教程
· 2019-02-26 21:57:22
Perl foreach 循环用于迭代一个列表或集合变量的值。
语法
语法格式如下所示：
foreach var (list) {
...
}
流程图
实例
#!/usr/bin/perl
@list = (2, 12, 36, 42, 51);
# 执行foreach 循环
foreach $a (@list){
print "a 的值为: $a\n";
}
执行以上程序，输出结果为：
a 的值为: 2 a 的值为: 12 a 的值为: 36 a 的值为: 42 a 的值为: 51
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