Add a new parameter to shell function to allow redirect output in modal mode. (#533)

Issue: 94950

Author: iroqueta

java/src/main/java/com/genexus/GXutil.java

@@ -1097,6 +1097,11 @@ public static byte openPrintDocument(String document)
 	}
 
 	public static byte shell(String cmd, int modal)
+	{
+		return GXutil.shell(cmd, modal, 0);
+	}
+
+	public static byte shell(String cmd, int modal, int redirectOutput)
 	{
 		try
 		{
@@ -1109,9 +1114,12 @@ public static byte shell(String cmd, int modal)
 			{
 				List<String> al = Arrays.asList(cmd.split(" "));
 				ProcessBuilder pb = new ProcessBuilder(al);
-				pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
-				pb.redirectError(ProcessBuilder.Redirect.INHERIT);
-				pb.redirectInput(ProcessBuilder.Redirect.INHERIT);
+				if (redirectOutput == 1)
+				{
+					pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
+					pb.redirectError(ProcessBuilder.Redirect.INHERIT);
+					pb.redirectInput(ProcessBuilder.Redirect.INHERIT);
+				}
 				Process p = pb.start();
 
 				byte exitCode = (byte) p.waitFor();