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Locating the right DISK Drive

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  • Locating the right DISK Drive

    This is general, but since V9 is my current, It's posted here.
    A file (ascii) will be written to 1 drive, but it's up to A5 to find which one it is.

    It can be A: B: E: F: or G: depending on the client's current hardware which may change at any time.
    Only one of those drives will have either a Floppy disk in it (A) or a USB Flash drive ready.
    I have to locate the drive and if it has writable media.
    Then write the File to it.
    I don't want to cause a lot of crashes or media errors for the user, just find it and send/write the file to it.
    It would be nice, if a USB, to write to it, and then "release" it so Windows does not need to be consulted on "safely remove..."
    Any ideas on the most efficient way?.
    Also, I have to remove any misc. existing files from the media before writing to it.

    Thank you.
    First Love

  • #2
    Re: Locating the right DISK Drive

    file.drives_get()

    And parse the result.

    Code:
    ? file.drives_get(",")
    = "C:\,D:\,E:\"
    
    ? strtran(strtran_multi(file.drives_get(","),comma_to_crlf(":\,C,D"),""),",","")
    = "E"
    You can use filefind.get() with the appropriate flags to get a list of all files. You can parse that list and feed it to file.remove().
    Last edited by Stan Mathews; 01-20-2010, 09:38 PM.
    There can be only one.

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    • #3
      Re: Locating the right DISK Drive

      Thank you Stan..Great as usual!
      I need to get use to all the built-in functions in A5 that I had to hand write all these years in my old Platform.
      So, I will assume the function exists and do a better search.
      I got the Functions Handbook today, too.
      Tom
      First Love

      Comment


      • #4
        Re: Locating the right DISK Drive

        Tom,
        You can also determine most drive types with file.drive_type(). As "Removable" applies to both Floppy and USB Flash drives, they can be differentiated by checking for whether drive is A: or B: and branching from there. Along with this you can also determine if there is media in the drive and whether it has enough space available with the file.drive_space_avail() which can help with error trapping. I use this in one of my backup routines and works well.
        Mike
        __________________________________________
        It is only when we forget all our learning that we begin to know.
        It's not what you look at that matters, it's what you see.
        Henry David Thoreau
        __________________________________________



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