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Writing to a text file

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  • Writing to a text file

    I am new to Alpha and I need to write data to text files.

    Everything seems to be pretty straight forward but the file create function is telling me that the pointer is the wrong type of file. I realize this is probably obvious but I can't find it.
    I am using the "fnum1" variable for the pointer and I set it to an number. Most basic programming languages use an integer to identify the file pointer.

    Can someone please help me?

    Thanks,

    Patrick

    Below is a program I wrote just to test the function.......





    function DoDistribution as c (e as p)
    ' debug(1)
    dim conn as SQL::Connection
    dim args as sql::arguments
    dim rs as sql::ResultSet

    dim sqlCommand as c
    dim flag as l
    dim CompanyNameID as n
    dim CompanyName as c
    dim DistributorCompanyName as c
    dim LicenseNumber as c
    dim SupportExpirationDate as d
    dim NewSupportExpirationDate as d
    dim ProductCodeCalc as c
    dim Past_Dist as c
    dim Past_Company as c
    dim Basic_Patrh as c
    dim fnum1 as n
    dim fnum2 as n
    dim thefilepath as c
    dim x as n
    dim thetextline as c
    debug(1)

    conn.open("::Name::Connection1")

    'Get the data from the current record that is going to be used for the header record for each quote
    sqlCommand="SELECT Customers.DistributorCompanyName, Customers.CompanyName, Licenses.LicenseNumber, Licenses.ProductCodeCalc, Licenses.NewProductCalcCode FROM Customers INNER JOIN Licenses ON Customers.CompanyNameID = Licenses.CompanyID WHERE (((Licenses.DealerLicense)=False) AND ((Licenses.DemoLicense)=False) AND ((Licenses.SupportExpirationDate)>Date()))ORDER BY Customers.DistributorCompanyName, Customers.CompanyName;"
    conn.Execute(sqlCommand)
    'Get the results of the query and assign them to local variables
    rs = conn.Resultset
    CompanyName=rs.data("CompanyName")
    DistributorCompanyName=rs.data("DistributorCompanyName")
    LicenseNumber=rs.data("LicenseNumber")
    ProductCodeCalc=rs.data("ProductCodeCalc")

    fnum1.file.create("c:\test1.txt",FILE_RW_EXCLUSIVE)

    for x = 1 to 2000
    fnum1.write(thetextline)

    rs.nextrow()
    Next x



    conn.close("::Name::Connection1")

    end function

  • #2
    Re: Writing to a text file

    I typically use this method:

    for x = 1 to 2000
    thenextline = "your rs data string goes here"
    lst = lst + thetextline + crlf()
    rs.nextrow()
    next x
    save_to_file(lst,"full path and file name go here")
    Or if you want to use the file pointer, read here: http://wiki.alphasoftware.com/FILE.WRITE+Method
    and use file.write() or file.write_line()

    Read here for all of the file functions and methods: http://wiki.alphasoftware.com/File+F...ns+and+Methods
    Steve Wood
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    Comment


    • #3
      Re: Writing to a text file

      I am using the "fnum1" variable for the pointer and I set it to an number. Most basic programming languages use an integer to identify the file pointer.
      The documentation says

      as P = FILE.CREATE( Filename as C, Open_Mode as N )

      So your file pointers need to be dimmed as P.

      Also you probably want fnum1.write_line() instead of just fnum1.write() unless you are after one long line.
      There can be only one.

      Comment


      • #4
        Re: Writing to a text file

        Steve,

        Thanks so much for the help!

        Patrick

        Comment


        • #5
          Re: Writing to a text file

          Stan,

          Ok, so the pointer needs to be dimmed as the P. That makes sense. Thanks so much for your help!


          Patrick

          Comment


          • #6
            Re: Writing to a text file

            Wonder if you get the same result if you try

            'earlier part of script
            rs = conn.Resultset
            txt = rs.ToString())
            save_to_file(txt,"full path and file name go here")
            conn.close("::Name::Connection1")
            There can be only one.

            Comment


            • #7
              Re: Writing to a text file

              Stan,
              Not sure...but why can't I store the \ forward slash character in a string?

              dim thepath as c

              thepath="c:\"

              I get an error if the \ is the last character in the string. Any idea why?

              the error is "Expected Value"

              Comment


              • #8
                Re: Writing to a text file

                See the documentation for backslash, special meanings.

                You want

                dim thepath as c

                thepath="c:\\"

                or

                thepath="c:"+chr(92)
                There can be only one.

                Comment


                • #9
                  Re: Writing to a text file

                  Stan,

                  Thanks, I really don't like the documentation. Can't find anything I am looking for.

                  Thanks,

                  Patrick

                  Comment


                  • #10
                    Re: Writing to a text file

                    I've seen others express the same sentiment.
                    There can be only one.

                    Comment

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