windytan

#!/usr/bin/perl
# windytan's pea whistle encoder
# http://www.windytan.com/2015/10/pea-whistle-steganography.html
# (c) 2015 Oona Räisänen
# ISC license

use warnings;
use strict;

my $data          = $ARGV[0] // "OHAI!";

windytan

  if (/^\.ninja (.+)/) {
    $irivi = lc($1);
    $irivi =~ tr/ÅÄÖ/åäö/;
    $irivi =~ tr/åäöéèü/aaoeeu/;
    $irivi =~ s/[^a-z\- ]//g;
    $irivi =~ s/\s+$//;
    $irivi =~ s/\s\s/ /g;
    %ninjanames = qw( a KA b ZU  c MI  d TE e KU f LU g JI h RI i KI j ZU
                      k ME l TA  m RIN n TO o MO p NO q KE r SHI s ARI
                      t CHI u DO v RU w MEI x NA y FU z ZI );

windytan

#!/usr/bin/perl
# windytan 2017, public domain
use warnings;
use strict;

my $img_width      = 1200;
my $img_height     = 900;
my $yscale         = 0.6;
my $xscale         = 0.13;
my $rowheight      = 5;

windytan

#!/usr/bin/perl
#
# Markov-tavutin
#
# (c) Oona Räisänen
# MIT license
#

use strict;
use warnings;

windytan

use warnings;

my $width = 1000;
my $height = 500;

my $n_pts = 1000;
my $wavelength = 9;

print '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" '.
      'width="'.$width.'" height="'.$height.'">'."\n";

windytan

#!/bin/sh

# Decode the helicopter position signal from youtube videos!
# It makes a KML file. You can open it in Google Earth or many other GIS programs.
# Requires sox, perl, and minimodem, and optionally yt-dlp / ffmpeg

# https://www.windytan.com/2014/02/mystery-signal-from-helicopter.html

# Remove this line
echo "Don't just run any random script you find online! Read what it does first!" && exit 1