Are the records sorted by the first field? If so, you should be able to use the POS function to do a binary search into the file - which will be much faster.
>Hi all, > >I must said I am new with NSBASIC but have some pratice with other >langages like VB, PHP, JAVA.... > >I have a 2MB file "csv" with two field : >first field is hexadecimal 8 bytes >Second field is decimal codeded coded on 12 bytes >the file should support almost 100.000 records >This list is generated outside and order on first field. > >I have to retreive the good data line with hexa code (first field) >comming from MIFARE card reader (I already have done it !) > >Reading line by line take more than 10 minutes and is not acceptable so >when Reading the Tec Note 8a it seem this is exactly what I need >but description with too few sample code is not enought for me... > >Can anybody give me the fist few lines to open my file (test.txt) >and use record.field(index) to get the indexed line in my file >Then close the file > >With those few line I think I would be able to integrate what I need to >do with it > >Thanks for any help > >Sky > > > > > > > > > > >------------------------------------ > >Yahoo! Groups Links > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "nsb-ce" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nsb-ce?hl=en -~----------~----~----~----~------~----~------~--~---
