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How can I use stritran to replace " and \

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  • How can I use stritran to replace " and \

    I am using stritran to do a form of encoding of a barcode. I have everything setup to work properly but I am trying to change some letters to " and \ but the xbasic will not allow it.

    Does anyone know of a way to encode this so it will take these as text and not part of the code?

    stritran(BS_Serial_Encode, "A", """)
    stritran(BS_Serial_Encode, "B", "\")

    Let me know if you need additional information or if I am not explaining this properly. I can try to find some other symbols to use but I have already had the programming of the barcode scanner started so I would like to find a way to make this work.

    Any advise or suggestions are greatly appreciated!!

  • #2
    Re: How can I use stritran to replace " and \

    Code:
    BS_Serial_Encode = "AB001BA100ABA"
    
    ? stritran(BS_Serial_Encode, "A", "\"")
    = "B001B"100"B"
    
    
    ? stritran(BS_Serial_Encode, "B", "\\")
    = "A\001\A100A\A"
    In one step.

    Code:
    ? stritran_multi(BS_Serial_Encode,"A"+crlf()+"B",chr(34)+crlf()+chr(92))
    = "\001\"100"\"
    There can be only one.

    Comment


    • #3
      Re: How can I use stritran to replace " and \

      Thank you Stan!!

      That was really quick and really easy. I knew there had to be a way but I was not just not finding it anywhere.

      Works great! Thank you for the code for the stritran_multi as well.

      Comment


      • #4
        Re: How can I use stritran to replace " and \

        Ando of course you can always...

        Code:
        ? stritran(stritran(BS_Serial_Encode, "A", "\""), "B", "\\")
        = "\001\"100"\"
        There can be only one.

        Comment


        • #5
          Re: How can I use stritran to replace " and \

          I am actually going through every number and letter so I have it running like this:

          Code:
          BS_Serial_Encode = stritran(BS_Serial_Encode, "A", ";")
          BS_Serial_Encode = stritran(BS_Serial_Encode, "B", "^")
          BS_Serial_Encode = stritran(BS_Serial_Encode, "C", "$")
          BS_Serial_Encode = stritran(BS_Serial_Encode, "D", "~")
          BS_Serial_Encode = stritran(BS_Serial_Encode, "E", "!")
          BS_Serial_Encode = stritran(BS_Serial_Encode, "F", "'")
          It is easier for me to read, make sure there are no coding errors and read the encryption code.

          At the beginning of the code it assigns a new BS_Serial_Encode to process and at the end it prints the report with the barcode on it.

          I know this is not a 100% secure way of encrypting something but I am having a barcode scanner programmed to decode this and it regrettably is not capable of much more than this.

          Thank you again for your help with this!!

          Comment


          • #6
            Re: How can I use stritran to replace " and \

            Build your translation lists and use stritran_multi()

            Code:
            inlist = "A,B,C,D,E,F"
            outlist = ";,^,$,~,!,'"
            inlist = comma_to_crlf(inlist)
            outlist = comma_to_crlf(outlist)
            
            BS_Serial_Encode = "FEDCBA"
            
            
            ? stritran_multi(BS_Serial_Encode,inlist,outlist)
            = "'!~$^;"
            This is the sort of thing that could really benefit from a udf.

            Code:
            FUNCTION tti_encode AS C (string AS C )
            	tti_encode = ""
            	IF alltrim(string) = ""
            		exit function
            	END IF
            	inlist = "A,B,C,D,E,F" '<-add as many here as you like comma separated
            	outlist = ";,^,$,~,!,'" '<- add the substitution characters here comma separated
            	inlist = comma_to_crlf(inlist)
            	outlist = comma_to_crlf(outlist)
            	tti_encode = stritran_multi(string,inlist,outlist)
            END FUNCTION
            Code:
            BS_Serial_Encode = "FEDCBA"
            
            ? tti_encode(BS_Serial_Encode)
            = "'!~$^;"
            
            ? tti_encode("")
            = ""
            Last edited by Stan Mathews; 03-03-2010, 05:41 PM.
            There can be only one.

            Comment


            • #7
              Re: How can I use stritran to replace &quot; and \

              If the length of the string to translate is under 1024 (or you break it up into sizes smaller than that), and if using it for a barcode, I suspect it would be, then chrtran() is much faster than strtran()

              E.g.
              ?chrtran("A3 B5","1234567890ABCDEFGHIJKL","0987654321abcdefghijk")
              = "a8 b6"
              Regards,

              Ira J. Perlow
              Computer Systems Design


              CSDA A5 Products
              New - Free CSDA DiagInfo - v1.39, 30 Apr 2013
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              Comment


              • #8
                Re: How can I use stritran to replace &quot; and \

                I really like both of the ideas.

                Stan - There are some benefits of using the UDF of this in a couple of areas that I might look at. I have not used UDFs much but this might be the case I give it a try.

                Ira - Using the chrtran in my bulk print section would be a great option especially if it will help it run faster. My only concern with chrtran is that it is case sensitive but I can always convert it to uppercase before running it through the chrtran.

                Thank you both again for all of the help and extra ideas to improve my code!!

                Comment


                • #9
                  Re: How can I use stritran to replace &quot; and \

                  Originally posted by TTI View Post
                  Ira - Using the chrtran in my bulk print section would be a great option especially if it will help it run faster. My only concern with chrtran is that it is case sensitive but I can always convert it to uppercase before running it through the chrtran.
                  Or just place both upper and lower case characters in the 2nd parameter and translate each to whatever is desired. Then no case conversion is needed.
                  Regards,

                  Ira J. Perlow
                  Computer Systems Design


                  CSDA A5 Products
                  New - Free CSDA DiagInfo - v1.39, 30 Apr 2013
                  CSDA Barcode Functions

                  CSDA Code Utility
                  CSDA Screen Capture


                  Comment

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