gistfile1.txt

String basicUsage = OutputStrings.getBasicUsageHelp() + OutputStrings.getFeaturesHelp();

Path tempFile = Files.createTempFile(null,null);
Files.write(tempFile, basicUsage.getBytes(StandardCharsets.UTF_8));
ProcessBuilder builder = new ProcessBuilder(rubyPager, tempFile.toAbsolutePath().toString());
builder.redirectOutput(ProcessBuilder.Redirect.INHERIT);