Perl foreach loop

Perl foreach loop

Perl loop

The Perl foreach loop is used to iterate the value of a list or collection variable.

Grammar

The syntax format looks like this:

foreach var (list) {
...
}

Flow chart

Instance

#!/usr/bin/perl

@list = (2, 12, 36, 42, 51);

# 执行foreach 循环
foreach $a (@list){
    print "a 的值为: $a\n";
}

The above procedure is performed and the output is:

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

Perl loop