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  1. #1
    Cyrus is offline Member
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    Mar 2014
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    Default Wait for external application to close

    I am writing a console application that is to make use of the system editor on *NIX. For that I have written a method which writes a string to a file, launches an editor to change that file, and then reads the file again. The problem is the call to run the editor doesn't wait for that application to have closed.

    Java Code:
    Runtime.getRuntime().exec(editorcmd + " " + tmpfn);
    I need the program to wait for the editor to have finished.
    Last edited by Cyrus; 06-16-2014 at 05:17 AM.

  2. #2
    kneitzel is offline Senior Member
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    Feb 2014
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    Default Re: Wait for external application to close

    What kind of research did you do to solve this issue?

    Did you look at the documentation of the Runtime class to have a closer look at the exec method? What does this method return? Did you check that class, too? These are some straight forwward steps in my eyes that quickly leads to a valid solution.

    Just try these steps and tell us if you have problems finding the solution.

    With kind regards,


  3. #3
    gimbal2 is offline Just a guy
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    Jun 2013
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    Default Re: Wait for external application to close

    This is the only research you need:

    When Runtime.exec() won't | JavaWorld
    "Syntactic sugar causes cancer of the semicolon." -- Alan Perlis

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