A slightly longer but easily configurable code
use strict ;
use warnings ;
##updated according to suggestions
my $string="atccatccctttaat" ;
my $left_out=2 ;
my $template = "x$left_out" ;
$template .= "a3" x ((length($string)-$left_out)/3) ;
my @array=unpack($template, $string) ;
local $"="\n" ;
print "@array" ;

[download]
$left_out will contain the number of characters you want to skip from the starting.

Manav

In reply to Re: variation on splitting a string into elements of an array by manav
in thread splitting a sequence using unpack by Rashmun

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