For the fearless:

#!/usr/bin/env perl
#       $Id: 1199549.pl,v 1.2 2017/09/17 13:01:45 karl Exp karl $
# http://perlmonks.org/?node_id=1199549

use strict;
use warnings;
use Data::Dump;
use List::Util qw(sum);
use feature qw (say);

my $result = '2017-08-01 20MICRONS 37744                              
+                                            
2016-08-01 20MICRONS 25966                                            
+                                            
2016-04-20 20MICRONS 30807                                            
+                                            
2016-04-01 20MICRONS 32780';

my @numbers = grep { /\d{5}/ } split /[\n,\s]/, $result;

say sum (@numbers) / scalar @numbers;

__END__

[download]

Minor update: Fixed dumb typo in regex..

Update: And see also Re^2: Best way to sum an array?...

Regards, Karl

«The Crux of the Biscuit is the Apostrophe»

perl -MCrypt::CBC -E 'say Crypt::CBC->new(-key=>'kgb',-cipher=>"Blowfish")->decrypt_hex($ENV{KARL});'Help

In reply to Re: Unscalar'ize a fake array by karlgoethebier
in thread Unscalar'ize a fake array by Gtforce

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