#!/usr/bin/perl
use warnings;
use strict;

open my $PIPE, '-|', 'system_profiler SPApplicationsDataType 2> /dev/null' or die "Cannot open pipe from 'system_profiler' $!";

my ( $i, $p, @apps );

while ( <$PIPE> ) {
	$apps[$i] .= $_;
    $i += /\A\s{4}\S.*:\Z/;
    $p += /\A\s+Kind: PowerPC\Z/;
    }

close $PIPE or warn $! ? "Error closing 'system_profiler' pipe: $!"
                       : "Exit status $? from 'system_profiler'";
                       
foreach (@apps) {
	print if /Kind: PowerPC/s;
	}

print "$i applications, $p PowerPC applications\n\n";