I'll bet the AddObject call isn't working - you need to have the
NewObjects control installed on your device. To do so, add it as a
Resource using in the Project Explorer.
For the purposes of a binary search, both Seek and Pos will work the same way.
>Hi Gerges,
>
>Thank you so much for this first reply
>YES, the recoards are sorted with the first field !
>
>I wrote this :
>AddObject "newObjects.utilctls.SFMain", "FS"
>Set File = FS.OpenFile("\my documents\pda.txt")
>
>and the result is :
>Microsoft VBScript compliation error - line 2,cahr 12
>cannot use parens when calling a sub
>
>I understand that my call is not well formulated but how openning the
>file that is in this diectory ?
>
>What is difference between POS ans SEEK function ?
>Considering the size of my datafile I was thinking of using loop seach
>using upper/lower comparison with my reading Hexcode and positionning
>the reading on middle of previous interval; so this should cut seaching
>time in something around 20 reading loop to find the correct line for
>my 100.000 lines file ; am I right ?
>
>Is ther any book or literature in (better in French) about NSBasic
avaialble ?
>
>Many thanks again for your precious help
>
>Sky
>
>
>
>
>--- In [email protected], "George Henne" <g...@...> wrote:
>>
>> 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
>> >
>> >
>> >
>>
>
>
>
>
>------------------------------------
>
>Yahoo! Groups Links
>
>
>
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