List Slices

Select a small window from a list.

list_slices.pl

use strict;
use warnings;

my $start = ;
my @letters = ("a", "b", "c", "d");
my @window = @letters[$start, $start + 1];
my $joined = join("", @window);

print "start=$start\n";
print "window=$joined\n";

use strict;
use warnings;

my $start = ;
my @letters = ("a", "b", "c", "d");
my @window = @letters[$start, $start + 1];
my $joined = join("", @window);

print "start=$start\n";
print "window=$joined\n";

list-slices A slice selects particular positions from a list. Slices are useful when a program needs a short window of values.