how to execute a system command?

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  • wrb

    #1

    how to execute a system command?

    i want to open a excel file in a button click event.
    i found that os.popen4("exce l.xls") would work but it is too slow
    (much slower than i execute "excel.xls" in command line. ) even worse,
    until excel is closed, the GUI has no response to user action.

    any advice would be helpful.
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