Perl ABCRange operator - m .. n
Perl has a range operator that allows you to specify a range of numbers.
# Range operator 3 .. 6
The result is list of (3, 4, 5, 6).
Normally, it is assigned to array or used in for statement.
my @nums = (3 .. 6);
for my $num (3 .. 6) {
...
}
You can also specify a range of alphanumeric characters.
'a' ..' z'
Example program
This is an example program of the range operator.
use strict;
use warnings;
my @nums = (3 .. 6);
for my $num (@nums) {
print "$num\n";
}
The output result is as follows.
3 Four Five 6