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Fixed indentation problems related to use of TAB instead of spaces
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Anders Johannsen
parent
7eb2ad0d81
commit
c484140cfa
316
pear/CMD.php
316
pear/CMD.php
@ -13,7 +13,7 @@
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Anders Johannsen <anders@johannsen.com> |
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// | Authors: Anders Johannsen <anders@johannsen.com> |
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// | |
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// +----------------------------------------------------------------------+
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//
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@ -34,67 +34,67 @@ require_once 'PEAR.php';
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class Cmd extends PEAR
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{
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var $arrSetting = array();
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var $arrConstant = array();
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var $arrCommand = array();
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var $arrSetting = array();
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var $arrConstant = array();
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var $arrCommand = array();
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/**
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* Class constructor
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*
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* Defines all necessary constants and sets defaults
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*
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* @author Anders Johannsen <anders@johannsen.com>
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*
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*
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* @access public
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*
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**/
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function Cmd ()
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{
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// Defining constants
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$this->arrConstant = array ("CMD_SEQUENCE",
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"CMD_SHUTDOWN",
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"CMD_SHELL",
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"CMD_OUTPUT",
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"CMD_NOHUP",
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"CMD_VERBOSE"
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);
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foreach ($this->arrConstant as $key => $value) {
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if (!defined($value)) {
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define($value, $key);
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}
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}
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// Setting default values
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$this->arrSetting[CMD_SEQUENCE] = true;
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$this->arrSetting[CMD_SHUTDOWN] = false;
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$this->arrSetting[CMD_OUTPUT] = false;
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$this->arrSetting[CMD_NOHUP] = false;
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$this->arrSetting[CMD_VERBOSE] = false;
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$arrShell = array ("sh", "bash", "zsh", "tcsh", "csh", "ash", "sash", "esh", "ksh");
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foreach ($arrShell as $shell) {
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if ($this->arrSetting[CMD_SHELL] = $this->which($shell)) {
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break;
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}
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}
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if (empty($this->arrSetting[CMD_SHELL])) {
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$this->raiseError("No shell found");
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}
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// Defining constants
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$this->arrConstant = array ("CMD_SEQUENCE",
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"CMD_SHUTDOWN",
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"CMD_SHELL",
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"CMD_OUTPUT",
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"CMD_NOHUP",
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"CMD_VERBOSE"
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);
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foreach ($this->arrConstant as $key => $value) {
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if (!defined($value)) {
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define($value, $key);
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}
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}
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// Setting default values
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$this->arrSetting[CMD_SEQUENCE] = true;
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$this->arrSetting[CMD_SHUTDOWN] = false;
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$this->arrSetting[CMD_OUTPUT] = false;
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$this->arrSetting[CMD_NOHUP] = false;
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$this->arrSetting[CMD_VERBOSE] = false;
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$arrShell = array ("sh", "bash", "zsh", "tcsh", "csh", "ash", "sash", "esh", "ksh");
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foreach ($arrShell as $shell) {
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if ($this->arrSetting[CMD_SHELL] = $this->which($shell)) {
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break;
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}
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}
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if (empty($this->arrSetting[CMD_SHELL])) {
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$this->raiseError("No shell found");
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}
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}
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/**
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* Sets any option
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*
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* The options are currently:
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* CMD_SHUTDOWN : Execute commands via a shutdown function
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* CMD_SHELL : Path to shell
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* CMD_OUTPUT : Output stdout from process
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* CMD_NOHUP : Use nohup to detach process
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* CMD_VERBOSE : Print errors to stdout
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* CMD_SHUTDOWN : Execute commands via a shutdown function
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* CMD_SHELL : Path to shell
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* CMD_OUTPUT : Output stdout from process
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* CMD_NOHUP : Use nohup to detach process
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* CMD_VERBOSE : Print errors to stdout
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*
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* @param $option is a constant, which corresponds to the
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* option that should be changed
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@ -109,49 +109,49 @@ class Cmd extends PEAR
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* @author Anders Johannsen <anders@johannsen.com>
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*
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**/
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function setOption ($option, $setting)
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{
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if (empty($this->arrConstant[$option])) {
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$this->raiseError("No such option: $option");
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return false;
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}
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switch ($option) {
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case CMD_OUTPUT:
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case CMD_SHUTDOWN:
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case CMD_VERBOSE:
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case CMD_SEQUENCE:
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$this->arrSetting[$option] = $setting;
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return true;
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break;
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case CMD_SHELL:
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if (is_executable($setting)) {
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$this->arrSetting[$option] = $setting;
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return true;
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} else {
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$this->raiseError("No such shell: $setting");
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return false;
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}
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break;
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case CMD_NOHUP:
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if (empty($setting)) {
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$this->arrSetting[$option] = false;
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} else if ($location = $this->which("nohup")) {
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$this->arrSetting[$option] = true;
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} else {
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$this->raiseError("Nohup was not found on your system");
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return false;
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}
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break;
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}
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if (empty($this->arrConstant[$option])) {
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$this->raiseError("No such option: $option");
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return false;
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}
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switch ($option) {
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case CMD_OUTPUT:
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case CMD_SHUTDOWN:
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case CMD_VERBOSE:
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case CMD_SEQUENCE:
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$this->arrSetting[$option] = $setting;
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return true;
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break;
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case CMD_SHELL:
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if (is_executable($setting)) {
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$this->arrSetting[$option] = $setting;
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return true;
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} else {
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$this->raiseError("No such shell: $setting");
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return false;
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}
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break;
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case CMD_NOHUP:
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if (empty($setting)) {
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$this->arrSetting[$option] = false;
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} else if ($location = $this->which("nohup")) {
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$this->arrSetting[$option] = true;
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} else {
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$this->raiseError("Nohup was not found on your system");
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return false;
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}
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break;
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}
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}
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/**
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@ -166,24 +166,24 @@ class Cmd extends PEAR
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* @author Anders Johannsen <anders@johannsen.com>
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*
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**/
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function command($command)
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{
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if (is_array($command)) {
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foreach ($command as $key => $value) {
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$this->arrCommand[] = $value;
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}
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return true;
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if (is_array($command)) {
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foreach ($command as $key => $value) {
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$this->arrCommand[] = $value;
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}
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return true;
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} else if (is_string($command)) {
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$this->arrCommand[] = $command;
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return true;
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}
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$this->raiseError("Argument not valid");
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return false;
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} else if (is_string($command)) {
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$this->arrCommand[] = $command;
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return true;
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}
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$this->raiseError("Argument not valid");
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return false;
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}
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/**
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* Executes the code according to given options
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*
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@ -194,39 +194,39 @@ class Cmd extends PEAR
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* @author Anders Johannsen <anders@johannsen.com>
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*
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**/
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function exec()
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{
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// Warning about impossible mix of options
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if (!empty($this->arrSetting[CMD_OUTPUT])) {
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if (!empty($this->arrSetting[CMD_SHUTDOWN]) || !empty($this->arrSetting[CMD_NOHUP])) {
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$this->raiseError("Error: Commands executed via shutdown functions or nohup cannot return output");
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return false;
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}
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}
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// Building command
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$strCommand = implode(";", $this->arrCommand);
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$strExec = "echo '$strCommand' | ".$this->arrSetting[CMD_SHELL];
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if (empty($this->arrSetting[CMD_OUTPUT])) {
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$strExec = $strExec . ' > /dev/null';
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}
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if (!empty($this->arrSetting[CMD_NOHUP])) {
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$strExec = 'nohup ' . $strExec;
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}
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// Executing
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if (!empty($this->arrSetting[CMD_SHUTDOWN])) {
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$line = "system(\"$strExec\");";
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$function = create_function('', $line);
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register_shutdown_function($function);
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return true;
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} else {
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return `$strExec`;
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}
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// Warning about impossible mix of options
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if (!empty($this->arrSetting[CMD_OUTPUT])) {
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if (!empty($this->arrSetting[CMD_SHUTDOWN]) || !empty($this->arrSetting[CMD_NOHUP])) {
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$this->raiseError("Error: Commands executed via shutdown functions or nohup cannot return output");
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return false;
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}
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}
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// Building command
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$strCommand = implode(";", $this->arrCommand);
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$strExec = "echo '$strCommand' | ".$this->arrSetting[CMD_SHELL];
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if (empty($this->arrSetting[CMD_OUTPUT])) {
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$strExec = $strExec . ' > /dev/null';
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}
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if (!empty($this->arrSetting[CMD_NOHUP])) {
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$strExec = 'nohup ' . $strExec;
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}
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// Executing
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if (!empty($this->arrSetting[CMD_SHUTDOWN])) {
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$line = "system(\"$strExec\");";
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$function = create_function('', $line);
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register_shutdown_function($function);
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return true;
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} else {
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return `$strExec`;
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}
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}
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/**
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@ -240,24 +240,24 @@ class Cmd extends PEAR
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*
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* @author Anders Johannsen <anders@johannsen.com>
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**/
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function raiseError($strError)
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{
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if (!empty($this->arrSetting[CMD_VERBOSE])) {
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echo $strError;
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} else {
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$this->lastError = $strError;
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}
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return true;
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if (!empty($this->arrSetting[CMD_VERBOSE])) {
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echo $strError;
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} else {
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$this->lastError = $strError;
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}
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return true;
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}
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/**
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* Functionality similiar to unix 'which'. Searches the path
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* for the specified program.
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*
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* @param $cmd name of the executable to search for
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*
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* @param $cmd name of the executable to search for
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*
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* @return string returns the full path if found,
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* false if not
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*
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@ -265,22 +265,22 @@ class Cmd extends PEAR
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*
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* @author Anders Johannsen <anders@johannsen.com>
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**/
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function which($cmd)
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{
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global $HTTP_ENV_VARS;
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$arrPath = explode(":", $HTTP_ENV_VARS['PATH']);
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foreach ($arrPath as $path) {
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$location = $path . "/" . $cmd;
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if (is_executable($location)) {
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return $location;
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}
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}
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return false;
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}
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global $HTTP_ENV_VARS;
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$arrPath = explode(":", $HTTP_ENV_VARS['PATH']);
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foreach ($arrPath as $path) {
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$location = $path . "/" . $cmd;
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if (is_executable($location)) {
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return $location;
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}
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}
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return false;
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}
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}
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?>
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