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What are files that begin with $$

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    What are files that begin with $$

    Right now got about 17 files that start wtih $$ & end with DDD, DDM, DDX, DBF, or FTP. The number of these files keeps getting bigger. Are these temporary files and can they be deleted?

    #2
    Re: What are files that begin with $$

    Originally posted by turbojack View Post
    Right now got about 17 files that start wtih $$ & end with DDD, DDM, DDX, DBF, or FTP. The number of these files keeps getting bigger. Are these temporary files and can they be deleted?

    Alpha Five File Types

    Scroll down to the context "Other".
    There can be only one.

    Comment


      #3
      Re: What are files that begin with $$

      Thanks. I did a search on the message board and could not find an answer I then did search on PDF of help but did not see it there either but just went back and there it is.

      Comment


        #4
        Re: What are files that begin with $$

        "Alpha Five should delete them when exiting."

        The key word it "should". Unfortunately it doesn't always happen. Here's a function I call from my autoexec script in almost every app. just to be sure: (as you can tell, I've been using it for a long time without modification. I know the original was done a long time before 2004 even.)
        Code:
        'Date Created: 22-Oct-2004 01:30:40 PM
        'Last Updated: 22-Oct-2004 11:20:32 PM
        'Created By  : Cal
        'Updated By  : Cal
        FUNCTION Del_dollar AS C ( )
        'Description: Deletes all files in the database that start with "$$".  This includes the Data path (local path if running network optimized), Private path, and Executables path.  Nothing returned.
        '-----------------------------------------------------------------------
        ' THIS SCRIPT DELETES ALL FILES IN THE DATABASE THAT START WITH "$$".
        ' THIS INCLUDES THE DATA PATH (start-in), PRIVATE PATH, AND EXECUTABLES PATH.
        '-----------------------------------------------------------------------
        ' SET THE PATH NAMES TO AN ARRAY FOR LOOPING.
        '-----------------------------------------------------------------------
        DIM path[10] as c
        path[1] = a5.get_path() + chr(92)
        path[2] = a5.get_private_path() + chr(92)
        pcount = 2
        IF a5.get_private_path() <> a5.get_exe_path()
         path[3] = a5.get_exe_path() + chr(92)
         pcount = 3
        END IF
        '--- DON'T BOTHER WITH THE SHARED PATH or MASTER PATH BECAUSE IT SHOULD
        '--- NEVER PUT THESE FILES THERE.
        '-----------------------------------------------------------------------
        ' NOW DELETE ANY "$$*.*" FILES THAT ARE NOT LOCKED.
        '-----------------------------------------------------------------------
        fcount = 0
        FOR x = 1 to pcount
         type_of_files = 0 + FILE_FIND_ARCHIVE + FILE_FIND_READONLY + FILE_FIND_HIDDEN
         dfiles = filefind.get( path[x] + "$$*.*", type_of_files, "PN" )
         FOR qx = 1 to line_count( dfiles )
          fname = word( dfiles, qx, crlf() ) '*** GET THE FILE NAME.
          ON ERROR goto Continue_next '*** FIND OUT IF THE FILE IS LOCKED.
          fp = file.open( fname, file_rw_exclusive )
          ON ERROR goto 0
          fp.close() '*** FILE IS NOT LOCKED SO CLOSE IT AND REMOVE IT.
          file.remove( fname )
          fcount = fcount + 1
         '---------------
         Continue_next:
         '---------------
          ON ERROR goto 0
          statusbar.robot()
         NEXT
        NEXT
        trace.writeln( ltrim(str( fcount )) + " '$$' files deleted" )
        Del_dollar = ltrim(str(fcount))
        END FUNCTION

        Comment


          #5
          Re: What are files that begin with $$

          Cal,

          OUTSTANDING!!!! Thank you, very much for that gem.

          Mike W
          Mike W
          __________________________
          "I rebel in at least small things to express to the world that I have not completely surrendered"

          Comment


            #6
            Re: What are files that begin with $$

            Let me clarify "it doesn't always happen."

            If Alpha doesn't shut down cleanly, those files probably won't be removed.

            Comment


              #7
              Re: What are files that begin with $$

              Originally posted by CALocklin View Post
              Let me clarify "it doesn't always happen."

              If Alpha doesn't shut down cleanly, those files probably won't be removed.
              Agreed, and to possibly extend the discussion, it seems the temporary files are somehow tied to the current session. I believe I have noticed that if the sequence of events is

              open application
              perform activities requiring queries to be run, etc
              close application
              temporary files will be deleted, per appropriate setting

              open application
              perform activities requiring queries to be run, etc
              application hangs or is abnormally terminated
              temporary files will not be deleted

              open application
              perform activities requiring queries to be run, etc
              close application
              not all temporary files will be deleted, those from previous session will remain

              So it is not just a proper application exit but rather a proper exit of the session in which the temporary files were created.
              There can be only one.

              Comment

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