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Pausing a script to allow process to finish

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  • Pausing a script to allow process to finish

    I am trying to launch batfiles from Alpha but am unable to figure out how to get each 'Start Program' Action script to pause after each line in order to allow that process to finish before moving to the next item in the script.

    Ex: launch a batfile to ftp down an Access db from the web. I need the script to pause here to allow this to finish before moving on to the next process. Even with broadband, it takes a few seconds.

    Tom C

  • #2
    RE: Pausing a script to allow process to finish

    sleep()
    Syntax:
    sleep( Seconds)
    Description:
    Pauses the execution of a script for the specified number of Seconds. Seconds
    can be a fractional number.
    Example:
    'Pauses a script for 1/10 of a second
    '-----------------------------------------------------
    'script commands
    sleep(1/10)
    'more script commands
    There can be only one.

    Comment


    • #3
      RE: Pausing a script to allow process to finish

      Or you might want to add a message box that the user only closes when the download has completed. I haven't checked but I think the batch file can continue processing while the message is visible - however, nothing in A5 will continue until the message box closes.

      Comment


      • #4
        RE: Pausing a script to allow process to finish

        Tom,

        Put each inside its own user defined function.

        -- tom c

        Comment


        • #5
          RE: Pausing a script to allow process to finish

          Tom

          I use a trigger file that is generated at the start of the bat file and remains there until the bat file is completed.

          Alpha checks for the existence of the file and waits until it is gone to continue.
          Al Buchholz
          Bookwood Systems, LTD
          Weekly QReportBuilder Webinars Thursday 1 pm CST

          Occam's Razor - KISS
          Normalize till it hurts - De-normalize till it works.
          Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
          When we triage a problem it is much easier to read sample systems than to read a mind.
          "Make it as simple as possible, but not simpler."
          Albert Einstein

          http://www.iadn.com/images/media/iadn_member.png

          Comment


          • #6
            RE: Pausing a script to allow process to finish

            Tom:

            Others helped me with that problem. Here's an altered snippet they helped me build. It creates the file on the disk and the 'While' keeps looking for it until the batch is compete. The last line of the batch is "del c:|work.txt
            'Makes a work.txt
            file_pointer = file.create("C:|work.txt", FILE_RW_EXCLUSIVE)
            file_pointer.flush()
            file_pointer.close()
            '===============================
            'This while loops until the batch has deleted back.txt signaling
            'the end of the DOS session
            while file_exists(targdrv+chr(92)+"back.txt")
            statusbar.robot() 'this is the progress thermometer at the bottom left of the screen
            end while
            statusbar.clear() 'clears it on completion

            Maybe you can use some of this - works quite well for me.

            Ken

            Comment


            • #7
              RE: Pausing a script to allow process to finish

              Whoops - didn't alter it enough

              The while file_exists(targdrv+chr(92)+"back.txt")

              should be while file_exists(C:|"back.txt")

              Never mind the variables from my snip.

              Ken

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