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  1. jnpoyser

    *Faster* file access / string extraction

    Thanks for all of the replies, again I'll clear up a few little spots! As for using an ado text driver or dumping into sql server I don't think this will be possible. A lot of the data is encoded and stored in odd formats that require converting into something windows is more happy with...
  2. jnpoyser

    Fast string manipulation

    Hi all, my C's a bit rusty so I'm after a little help. I need to read in a text file of fixed length records and locate the various fields in the records. For example, one file has a record size of 937 bytes, the first field is 1 byte, the second is 25, the third is 3, etc. What is the...
    • jnpoyser
    • Thread
    • Replies: 3
    • Forum: C
  3. jnpoyser

    *Faster* file access / string extraction

    Hi all, Here's an example of a definition file that will be read in: 1,STK-COMP,AN 15,STOCKNO,AN 25,STKDES1,AN 25,STKDES2,AN 25,STKDES2-INNERS,AN 5,STKGROUP,AN 15,STK-THEIR2,AN 1,STKVATCD,N 2,STK-COMMENTS,N 6,STKPACK,N 6,STKPACK-WEIGHT,C4 6,STKPACK-VOLUME,C4 6,STKSELL,C4 6,STKSELL-INNER,C4...
  4. jnpoyser

    Cobol data type conversions

    Jack - Great idea - not too sure if VB can do it though, I think it 'dumbs down' type conversion too much. I'll have a look into it. James
  5. jnpoyser

    *Faster* file access / string extraction

    The structure would have to match the size of the record exactly or VB will throw an error. As there is no way to create a structure at run time and each file requires a different size structure, I cannot create a 'generic' structure to be used for all files. James.
  6. jnpoyser

    *Faster* file access / string extraction

    Hi all, I'm trying to process some data files, I have around a gig of files in total. I'm using random file access as each file has a fixed record size. If i use a user defined data type with the get statement I can easily get a throughput of over 3,000 records per second. Great! However...
  7. jnpoyser

    Cobol data type conversions

    I'm trying to convert data from a file and after examining the stucture in a hex editor, the S9(9)V999 comp-4 is stored in 6 bytes. So does this stand?, would this be how 15 & -15 would be stored: <FONT FACE=monospace> +15 in PIC S9(9)V999 COMP/COMP-4 in memory looks like 00 00...
  8. jnpoyser

    Cobol data type conversions

    Hi all, I'm trying to convert some cobol 'comp' data types using VB or C. Some I've come accross so far are: 9(6) COMP-4 S9(9)V999 COMP-4 9(6) COMP Are there any routines out there for conversion already? I've written a conversion routine for the unsigned comp-4, but under VB6 it just...

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