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79 lines
2.2 KiB
PHP
Executable File
79 lines
2.2 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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# pngcrush_all.php: runs all images in a directory through pngcrush
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# and saves the new file over the old file. Use with care.
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#
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# This script requires a pngcrush binary.
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$verbose = false;
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$dir = @rtrim(trim($argv[1]), '/');
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$GLOBALS['file_exts'] = array('png');
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$pngcrush_path = '../tools/pngcrush';
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$pngcrush_cmd = $pngcrush_path.' -ow -fix -force -nofilecheck -brute -rem alla -oldtimestamp "%s"';
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if (!isset($dir)) {
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print('usage: pngcrush_all.php dir'.PHP_EOL.'pngcrush_all.php: error: too few arguments'.PHP_EOL);
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exit();
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}
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if (!is_dir($dir)) {
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print('usage: pngcrush_all.php dir'.PHP_EOL.'pngcrush_all.php: error: not a directory or not directory not accessible'.PHP_EOL);
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exit();
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}
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if (!is_file($pngcrush_path)) {
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print('usage: pngcrush_all.php dir'.PHP_EOL.'pngcrush_all.php: error: could not find pngcrush (tried: `'.$pngcrush_path.'\')'.PHP_EOL);
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exit();
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}
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$imgs = iterate_dir($dir);
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$counter = 0;
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$total = count($imgs);
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print('dir: `'.$dir.'\' contains '.$total.' image files.'.PHP_EOL);
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foreach ($imgs as $path => $img) {
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$old_size = filesize($path);
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$cmd = sprintf($pngcrush_cmd.' 2>&1', $path);
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exec($cmd, $output, $code);
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if ($code !== 0) {
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print(PHP_EOL.'pngcrush_all.php: error: there was a problem running `pngcrush\':'.PHP_EOL.PHP_EOL.' '.$cmd.PHP_EOL);
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die();
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}
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clearstatcache();
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$new_size = filesize($path);
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print('Modified `'.$path.'\'. Old size: '.$old_size.'. New size: '.$new_size.'.'.PHP_EOL);
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}
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function iterate_dir($dir)
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{
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$stack = array();
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try {
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$dir_it = new \DirectoryIterator($dir);
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} catch (Exception $e) {
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print('error: can\'t open directory: '.$dir);
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continue;
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}
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foreach ($dir_it as $file) {
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// Some checks to ensure it's a valid image.
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if ($file->isDot()) {
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continue;
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}
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if ($file->isDir()) {
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$dir_stack = iterate_dir($dir.'/'.$file->getFilename());
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$stack = array_merge($dir_stack, $stack);
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continue;
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}
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$fn = $file->getFilename();
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$fn_bits = explode('.', $fn);
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$fn_ext = strtolower(trim(end($fn_bits)));
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$file_path = $dir.'/'.$fn;
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if (!in_array($fn_ext, $GLOBALS['file_exts'])) {
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continue;
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}
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$stack[$file_path] = true;
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}
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return $stack;
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} |