258 lines
5.5 KiB
Plaintext
258 lines
5.5 KiB
Plaintext
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#!/usr/bin/php
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<?php
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function error($message)
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{
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file_put_contents('php://stderr', $message."\n");
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}
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function notice($message)
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{
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file_put_contents('php://stdin', $message."\n");
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}
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function filter(array $data, array $default)
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{
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foreach ($data as $k => $v) {
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if (!array_key_exists($k, $default)) {
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unset($data[$k]);
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} elseif (is_array($default[$k]) && !is_array($v)) {
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$data[$k] = (array) $v;
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}
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}
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foreach ($default as $k => $v) {
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if (!array_key_exists($k, $data)) {
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$data[$k] = $v;
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}
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}
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return $data;
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}
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function filterScreen(array $data)
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{
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$default = [
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'name' => null,
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'resolutionX' => null,
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'resolutionY' => null,
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];
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return filter($data, $default);
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}
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function filterMode(array $data)
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{
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$default = [
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'config' => [],
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'primary' => null,
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];
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$data = filter($data, $default);
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foreach ($data['config'] as $k => $v) {
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$v = explode(',', $v);
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$v = array_map('trim', $v);
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$data['config'][$k] = $v;
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}
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return $data;
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}
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function getCurrentModeFile()
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{
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return sys_get_temp_dir().'/monitordisplay.tmp';
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}
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function getCurrentMode()
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{
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$currentModeFile = getCurrentModeFile();
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if (file_exists($currentModeFile)) {
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$currentMode = (array) @parse_ini_file($currentModeFile);
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} else {
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$currentMode = [];
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}
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return filter($currentMode, [
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'mode' => null,
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'config' => null,
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]);
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}
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function build(array $modes, array $screens, $mode, $toggle, array $currentMode, $addOff)
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{
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if ($mode === null) {
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if (!array_key_exists($currentMode['mode'], $modes)) {
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return;
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}
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$tmpMode = $currentMode['mode'];
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$mode = $modes[$currentMode['mode']];
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} else {
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if (!array_key_exists($mode, $modes)) {
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return;
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}
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$tmpMode = $mode;
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$mode = $modes[$mode];
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}
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if ($toggle === true) {
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if ($currentMode['mode'] === null) {
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return;
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}
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if ($currentMode['config'] === null) {
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return;
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}
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$currentMode['config'] = (int) $currentMode['config'];
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if (!array_key_exists($currentMode['config'], $mode['config'])) {
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return;
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}
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$configs = $mode['config'];
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$config = ($currentMode['config'] + 1) % count($configs);
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} else {
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$config = 0;
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}
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if (!array_key_exists($config, $mode['config'])) {
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return;
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}
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$tmpConfig = $config;
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$config = $mode['config'][$config];
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$command = ['xrandr'];
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$x = 0;
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$screensUsed = [];
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foreach ($config as $screen) {
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if (!array_key_exists($screen, $screens)) {
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return;
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}
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$tScreen = $screens[$screen];
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$name = $tScreen['name'];
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$resolutionX = $tScreen['resolutionX'];
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$resolutionY = $tScreen['resolutionY'];
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if (empty($name) || empty($resolutionX) || empty($resolutionY)) {
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error(sprintf('Invalid screen configuration "%s"', $screen));
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die(1);
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}
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$command[] = '--output';
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$command[] = $name;
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$screensUsed[] = $name;
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if ($mode['primary'] === $name) {
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$command[] = '--primary';
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}
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$command[] = '--mode';
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$command[] = sprintf('%dx%d', $resolutionX, $resolutionY);
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$command[] = '--pos';
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$command[] = sprintf('%dx%d', $x, 0);
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$x += $resolutionX;
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}
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if ($addOff) {
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foreach ($screens as $screen) {
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if (!in_array($screen['name'], $screensUsed)) {
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$command[] = '--output';
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$command[] = $screen['name'];
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$command[] = '--off';
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}
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}
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}
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$command = implode(' ', $command);
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return [
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'tmp' => sprintf("mode=%s\nconfig=%d", $tmpMode, $tmpConfig),
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'command' => $command,
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];
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}
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$files = [
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'/etc/monitordisplay/config.ini',
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getenv('HOME').'/.config/monitordisplay/config.ini',
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getenv('HOME').'/.monitordisplay',
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];
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$config = [];
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$currentMode = getCurrentMode();
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foreach ($files as $file) {
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if (file_exists($file)) {
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$parsing = @parse_ini_file($file, true);
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if ($parsing === false) {
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error(sprintf('The file "%s" is not a valid ini file.', $file));
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continue;
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}
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notice(sprintf('Configuration file merged: %s', $file));
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$config = array_merge(
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$config,
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$parsing
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);
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}
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}
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if (empty($config)) {
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error('No configuration found');
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error(sprintf('Paths checked: %s', implode(', ', $files)));
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die(1);
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}
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$screens = [];
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$modes = [];
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foreach ($config as $section => $values) {
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$type = explode(':', $section);
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if (count($type) !== 2) {
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error(sprintf('Invalid section "%s". Ignored.', $section));
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}
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if ($type[0] === 'screen') {
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$screens[$type[1]] = filterScreen($values);
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} elseif ($type[0] === 'mode') {
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$modes[$type[1]] = filterMode($values);
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} else {
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error(sprintf('Invalid section "%s". Ignored.', $section));
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}
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}
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if (empty($screens)) {
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error('No screen found.');
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die(1);
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}
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if (empty($modes)) {
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error('No mode found.');
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die(1);
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}
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$options = getopt('m:ts');
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$mode = isset($options['m']) ? $options['m'] : null;
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$toggle = isset($options['t']);
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$addOff = !isset($options['s']);
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$build = build($modes, $screens, $mode, $toggle, $currentMode, $addOff);
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if (!empty($build)) {
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file_put_contents(getCurrentModeFile(), $build['tmp']);
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shell_exec($build['command']);
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}
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