<?php

/**

* PHP Command Line Tools

*

* This source file is subject to the MIT license that is bundled

* with this package in the file LICENSE.

*

* @author James Logsdon <dwarf@girsbrain.org>

* @copyright 2010 James Logsdom (http://girsbrain.org)

* @license http://www.opensource.org/licenses/mit-license.php The MIT License

*/

namespace cli;

/**

* The `Shell` class is a utility class for shell related information such as

* width.

*/

class Shell {

/**

* Returns the number of columns the current shell has for display.

*

* @return int The number of columns.

* @todo Test on more systems.

*/

static public function columns() {

return exec('/usr/bin/env tput cols');

}

/**

* Checks whether the output of the current script is a TTY or a pipe / redirect

*

* Returns true if STDOUT output is being redirected to a pipe or a file; false is

* output is being sent directly to the terminal.

*

* @return bool

*/

static public function isPiped() {

return (function_exists('posix_isatty') && !posix_isatty(STDOUT));

}

}

?>