Listen to the Brethren - show us your problem! The code below is taken from I know what I mean. Why don't you? and demonstrates a very simple way to include test data in your post to demonstrate a problem.

while (<DATA>)
    {
    print $_;
    }

__DATA__
Hello world
[download]

Let's edit that a little to perhaps get closer to the question you want to ask:

use warnings;
use strict;

while (<DATA>)
    {
    chomp;
    my @sentences = split /(?<=\.)\s*/;
    print '>', join ("<\n>", @sentences), '<';
    }

__DATA__
Hello world. Hello Bretheren. Goodbye spaces. All I really want are se
+ntences.
[download]

Which prints:

>Hello world.<
>Hello Bretheren.<
>Goodbye spaces.<
>All I really want are sentences.<
[download]

Now, your job is to modify that to demonstrate the problem you are having and to show us the output you expect to get.

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