#21 Show new version API in readme.md

readme.md

@@ -15,21 +15,23 @@ API to easily execute PowerShell commands and scripts from Java.
 ## Example
 Call PowerShell commands or scripts like this:
 ```java
-  PowerShellExecutor executor = PowerShellExecutor.instance();
+PowerShellExecutor executor = PowerShellExecutor.instance();
+System.out.println("PowerShell runtime version " +
+   executor.version().orElseThrow(() -> new RuntimeException("No PowerShell runtime available")));
 
-  System.out.println("Execute command: ");
-  String output = executor.execute("Write-Host Hello PowerShell!").getStandardOutput();
-  System.out.println(" output = " + output);
+System.out.println("Execute command: ");
+String output = executor.execute("Write-Host Hello PowerShell!").getStandardOutput();
+System.out.println(" output = " + output);
 
-  Map<String, String> arguments = Collections.singletonMap("name", "PowerShell");
+Map<String, String> arguments = Collections.singletonMap("name", "PowerShell");
 
-  System.out.println("Execute script as file: ");
-  output = executor.execute(Paths.get(".\\src\\test\\resources\\test.ps1"), arguments).getStandardOutput();
-  System.out.println(" output = " + output);
+System.out.println("Execute script as file: ");
+output = executor.execute(Paths.get(".\\src\\test\\resources\\test.ps1"), arguments).getStandardOutput();
+System.out.println(" output = " + output);
 
-  System.out.println("Execute script from classpath: ");
-  output = executor.execute(PowerShellTestApplication.class.getResourceAsStream("/test.ps1"), arguments).getStandardOutput();
-  System.out.println(" output = " + output);
+System.out.println("Execute script from classpath: ");
+output = executor.execute(PowerShellTestApplication.class.getResourceAsStream("/test.ps1"), arguments).getStandardOutput();
+System.out.println(" output = " + output);
 ```
 
 ## Add dependency

src/test/java/com/github/frimtec/libraries/jpse/PowerShellTestApplication.java

@@ -11,6 +11,8 @@ class PowerShellTestApplication {
 
     public static void main(String[] args) {
         PowerShellExecutor executor = PowerShellExecutor.instance();
+        System.out.println("PowerShell runtime version " +
+                executor.version().orElseThrow(() -> new RuntimeException("No PowerShell runtime available")));
 
         System.out.println("Execute command: ");
         String output = executor.execute("Write-Host Hello PowerShell!").getStandardOutput();