http://paperlined.org/dev/src/pl/git_characterize_files/count_text_files.pl

#!/usr/bin/perl

# count how many text-files and non-text-files are there

    use strict;
    use warnings;

    use Data::Dumper;
    #use Devel::Comments;           # uncomment this during development to enable the ### debugging statements

my @text;
my @nontext;

chdir "target";


open my $pin, '-|', 'find', '.', '-type', 'f'          or die $!;
while (<$pin>) {
    chomp;
    next if (grep {$_ eq '.git'} split '/');
    if (-T $_) {
        #s#^\.\/target\/##;
        push(@text, $_);
    } else {
        #s#^\.\/target\/##;
        push(@nontext, $_);
    }
}

print "    Num textfiles: ", scalar(@text), "\n";
print "Num non-textfiles: ", scalar(@nontext), "\n";


print "\n";
print "======================= non-text files ========================\n";
foreach my $nontext (@nontext) {
    #print "$nontext\n";
    system "ls", "-l", $nontext;
    #print "\n", join("\n", @nontext), "\n";
}