#!/usr/bin/php -q

<?php

if(isset($argv[1]) && strlen($argv[1])) {

$file = $argv[1];

}else{

echo 'Please Specify a File';

exit(1);

}

$img = imagecreatefromstring(file_get_contents($file));

list($width, $height) = getimagesize($file);

$scale = 10;

$chars = array(

' ', '\'', '.', ':',

'|', 'T', 'X', '0',

'#',

);

$chars = array_reverse($chars);

$c_count = count($chars);

for($y = 0; $y <= $height - $scale - 1; $y += $scale) {

for($x = 0; $x <= $width - ($scale / 2) - 1; $x += ($scale / 2)) {

$rgb = imagecolorat($img, $x, $y);

$r = (($rgb >> 16) & 0xFF);

$g = (($rgb >> 8) & 0xFF);

$b = ($rgb & 0xFF);

$sat = ($r + $g + $b) / (255 * 3);

echo $chars[ (int)( $sat * ($c_count - 1) ) ];

}

echo PHP_EOL;

}