Cleanup of Console\Prompt\Select, allow Prompt\Char without text.

- an extraneous newline was inserted by Select superclass Char, when there was no text.
- a non-configurable prompt text has been removed from Select.
- with $echo === true, Select will now display the value of option picked.

library/Zend/Console/Prompt/Char.php

@@ -125,7 +125,9 @@ public function show()
                 if ($this->echo) {
                     echo trim($char)."\n";
                 } else {
-                    echo "\n";
+                    if ($this->promptText) {
+                        echo "\n";  // skip to next line but only if we had any prompt text
+                    }
                 }
                 break;
             }

library/Zend/Console/Prompt/Select.php

@@ -77,28 +77,43 @@ public function __construct(
      */
     public function show()
     {
-        /**
-         * Show prompt text and available options
-         */
+        // Show prompt text and available options
         $console = $this->getConsole();
         $console->writeLine($this->promptText);
         foreach ($this->options as $k => $v) {
-            $console->writeLine('  '.$k.') '.$v);
+            $console->writeLine('  ' . $k . ') ' . $v);
         }
 
-        /**
-         * Ask for selection
-         */
-        $mask = implode("",array_keys($this->options));
+        //  Prepare mask
+        $mask = implode("", array_keys($this->options));
         if ($this->allowEmpty) {
             $mask .= "\r\n";
         }
+
+        // Prepare other params for parent class
         $this->setAllowedChars($mask);
-        $oldPrompt = $this->promptText;
-        $this->promptText = 'Pick one option: ';
+        $oldPrompt        = $this->promptText;
+        $oldEcho          = $this->echo;
+        $this->echo       = false;
+        $this->promptText = null;
+
+        // Retrieve a single character
         $response = parent::show();
+
+        // Restore old params
         $this->promptText = $oldPrompt;
+        $this->echo       = $oldEcho;
+
+        // Display selected option if echo is enabled
+        if ($this->echo) {
+            if (isset($this->options[$response])) {
+                $console->writeLine($this->options[$response]);
+            } else {
+                $console->writeLine();
+            }
+        }
 
+        $this->lastResponse = $response;
         return $response;
     }