/**
* @test
*/
public function arrayAppendString()
{
$strs = array('str1', 'str2', 'str3');
$expected = array('str1_suffix', 'str2_suffix', 'str3_suffix');
$this->assertEquals(Common::arrayAppendString($strs, '_suffix'), $expected);
}
/**
* Run a command and cache its output for later.
*
* @throws Exception
*
* @param string $name name of executable to call
* @param string $switches command arguments
*/
public function exec($name, $switches = '')
{
// Sometimes it is necessary to call a program with sudo
$attempt_sudo = array_key_exists('sudo_apps', self::$settings) && in_array($name, self::$settings['sudo_apps']);
// Have we gotten it before?
if (array_key_exists($name . $switches, $this->cliCache)) {
return $this->cliCache[$name . $switches];
}
// Try finding the exec
foreach ($this->searchPaths as $path) {
// Found it; run it
if (is_file($path . $name) && is_executable($path . $name)) {
// Complete command, path switches and all
$command = "{$path}{$name} {$switches}";
// Sudoing?
$command = $attempt_sudo ? Common::locateActualPath(Common::arrayAppendString($this->searchPaths, 'sudo', '%2s%1s')) . ' ' . $command : $command;
// Result of command
$result = `{$command}`;
// Increment call count
++self::$callCount;
// Cache that
$this->cliCache[$name . $switches] = $result;
// Give result
return $result;
}
}
// Never got it
throw new Exception('Exec `' . $name . '\' not found');
}