In Selenium IDE version 1.8, right-click in the "Test Case" section and add all the HTML test cases by selecting the "Add Test Case" option. Then simply save this test suite in HTML format by choosing File> Save Test Suite. After that, just create one .bat file with the following contents to run this HTML test package.
java -jar selenium-server.jar -port 4444 -htmlSuite "* chrome" " http://www.google.com/ " "C: \ Selenium \ TestSuite.html" C: \ Selenium \ TestSuiteResult.html "pause

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