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Search/Replace in Memo Field

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  • Search/Replace in Memo Field

    Hello all!

    I have what I thought was a simple problem, but although I've been searching through this forum, I can't seem to find an acceptable answer.

    I have a database with several hundred records. Each record has 10 memo fields. I need to create a script or function that can go through all these records and fields to find a particular word and replace it with another. I see where in the raw browse I can bring up each memo field and use the editor to do a search and replace, but I can't figure out how to create a script to go through all the records along with each record's memo fields.

    Is there a function for this or perhaps a script?

    Thanks,

    Charlie

  • #2
    Re: Search/Replace in Memo Field

    Hi Charles,

    I don't have your answer, but can I give a bit of advice whether you choose to accept or not?
    The 10 memo fields in a table all are going to one fpt file on your disk. It is more common practice to separate memo fields to connected tables and separated so 2 notes don't go to the same memo. In other words, memos should be in separate tables because they sometimes get messed up.

    My opinion and how I would attack your problem: the first record in the table, it will be necessary to copy that each memo to a variable, make you changes, next field in the same record, repeat and next field repeat until complete with the record and move to the next record and repeat. Using 10 variables for the data, you could get pretty much the whole record, do the changes and repeat for each record. until eof()

    Comment


    • #3
      Re: Search/Replace in Memo Field

      Are we permitted to know whether these are plain text or rtf? It will make a difference in the answer.
      There can be only one.

      Comment


      • #4
        Re: Search/Replace in Memo Field

        Thanks for your reply. I guess I understand this, however where I am getting confused is how to do the search and replace once I have the memo field in a blob variable. I just don't see the command out there to do that, but I may be missing it.

        Comment


        • #5
          Re: Search/Replace in Memo Field

          Not sure Stan. I think they are just plain text.

          Comment


          • #6
            Re: Search/Replace in Memo Field

            For a plain text memo field you can read the contents with

            tbl = table.open("yourtablename")
            memo_contents = tbl.memofieldname

            to replace all instances of Charles with Jim-Bob you create a loop and in the loop

            tbl.change_begin()
            tbl.memofieldname = strtran(tbl.memofieldname,"Charles","Jim-Bob")
            tbl.change_end(.T.)

            Suggest you experiment on a duplicate of your table as this will replace

            Charles with Jim-Bob
            Charleston with Jim-Bobton
            St Charles with St Jim-Bob
            The river Charles with The river Jim-Bob

            etc.
            There can be only one.

            Comment


            • #7
              Re: Search/Replace in Memo Field

              Thanks Stan! I was looking at that kind of idea, but was trying to find something that would be an exact match. Not sure if that is possible.

              Good idea to experiment on a test dbf.

              Thanks again.

              Comment


              • #8
                Re: Search/Replace in Memo Field

                If all the instances of what you want to replace are preceeded and followed by a space you can

                strtran(tbl.memofieldname," Charles "," Jim-Bob ")

                to eliminate internal/embedded matches. Also strtran() is case sensitive.
                There can be only one.

                Comment


                • #9
                  Re: Search/Replace in Memo Field

                  Got it thanks.

                  Got it to work with a do while, script.

                  Many thanks once again!

                  Charlie

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