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FMS

reading binary file to array

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Hello,

I'm trying to read a binary file to an array but couln't get it to work.
Also I coul not find any help in the forum around this subject whish was helpfull.

Is there any way it could be done?

I tried a lot of ways but maybe somebody know's the right way?

#AutoIt3Wrapper_Au3Check_Parameters=-d -w 1 -w 2 -w 3 -w 4 -w 5 -w 6 -w 7
#include <File.au3>
#include <Array.au3>
#include <AutoItConstants.au3>

Local $in=FileOpen("TEST_labels.idx1-ubyte",16) ; 16+0=Read binary
Local $data = FileRead($in)
Local $FileArray = BinaryToString($data,4)
;~ $FileArray = StringSplit($BinarydData, @CRLF, 1+2)
;~ Local $FileArray = StringRegExp($BinarydData, "[^\r\n]+", 3)
FileClose($in)
_ArrayDisplay($FileArray,"$FileArray","",32)
MsgBox($MB_SYSTEMMODAL, "", "$FileArray = " & $FileArray )

 

TEST_labels.idx1-ubyte

Edited by FMS

as finishing touch god created the dutch

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What do you expect the array to look like? Also, BinaryToString returns a string, not an array.


If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
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Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays.  -  ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script.  -  Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label.  -  _FileGetProperty - Retrieve the properties of a file  -  SciTE Toolbar - A toolbar demo for use with the SciTE editor  -  GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI.  -   Latin Square password generator

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You can take something like this script and modify to your needs.

#include <Constants.au3>
#include <Array.au3>
#include <StringConstants.au3>

Example()

Func Example()
    ; Create a random string of lower-case ASCII characters.
    Local $sString = ''
    For $i = 1 To 1000
        $sString &= Chr(Random(97, 122, 1))
    Next

    ; Split the string to 2 characters per line.
    ChrsPerLine($sString, 2)
    $array = StringSplit($sString, @CRLF, $STR_ENTIRESPLIT)

    ; Display the split string.
    _ArrayDisplay($array)
EndFunc   ;==>Example

Func ChrsPerLine(ByRef $sData, $iChrsPerLine = 4096) ; Default is 4096 characters per line.
    $iChrsPerLine = Int($iChrsPerLine)
    If $iChrsPerLine <= 0 Then $iChrsPerLine = 4096

    Local $sTemp = ''
    While StringLen($sData) > $iChrsPerLine
        $sTemp &= StringLeft($sData, $iChrsPerLine) & @CRLF
        $sData = StringTrimLeft($sData, $iChrsPerLine)
    WEnd

    If StringLen($sData) Then
        $sTemp &= $sData & @CRLF
    EndIf
    $sData = $sTemp
EndFunc   ;==>ChrsPerLine

*Note: script slightly modified from this post.

 


If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
How to ask questions the smart way!

I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.

Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays.  -  ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script.  -  Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label.  -  _FileGetProperty - Retrieve the properties of a file  -  SciTE Toolbar - A toolbar demo for use with the SciTE editor  -  GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI.  -   Latin Square password generator

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FMS,

Try this...

#include <Array.au3>

$sfile = FileRead(@ScriptDir & '\TEST_labels.idx1-ubyte')

Local $afile = StringRegExp($sfile, '\d{2}', 3)

_ArrayDisplay($afile)

kylomas


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That wouldn't work in his case, the "numbers" are in Hex..


If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
Give a programmer the correct code and he can do his work for a day. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude
How to ask questions the smart way!

I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript.com forums, unless I've specifically stated otherwise in the code or the thread post. If you do use my code all I ask, as a courtesy, is to make note of where you got it from.

Back up and restore Windows user files _Array.au3 - Modified array functions that include support for 2D arrays.  -  ColorChooser - An add-on for SciTE that pops up a color dialog so you can select and paste a color code into a script.  -  Customizable Splashscreen GUI w/Progress Bar - Create a custom "splash screen" GUI with a progress bar and custom label.  -  _FileGetProperty - Retrieve the properties of a file  -  SciTE Toolbar - A toolbar demo for use with the SciTE editor  -  GUIRegisterMsg demo - Demo script to show how to use the Windows messages to interact with controls and your GUI.  -   Latin Square password generator

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13 hours ago, FMS said:

yeah sorry @BrewManNH :)
I was fideling around whit the code to first just read the file.
Whish I dint get to work :)
What i want in the end is an array whit 10.000 numbers in it.

if you need BinaryArray to store in SQL or to work with some PDF API you should look for this :

FileOpen(...$FO_BINARY....
FileRead(..
FileClose(...

 :)


 

Edited by mLipok

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FMS,

I inspected your file with notepad++ and don't find any "hex" numbers, just decimal.  Unless it is just a coincidence the the 10,007 numbers do not contain A-F.

Did you try my code?

Try this...

#include <Array.au3>

$sfile = FileRead(@ScriptDir & '\TEST_labels.idx1-ubyte')

Local $afile = StringRegExp($sfile, '.{2}', 3)

local $afile2[ubound($afile)][2]

for $1 = 0 to ubound($afile) - 1
    $afile2[$1][0] = $afile[$1]
    $afile2[$1][1] = hex($afile[$1],4)
Next

_ArrayDisplay($afile2)

kylomas

Edited by kylomas

Forum Rules         Procedure for posting code

"I like pigs.  Dogs look up to us.  Cats look down on us.  Pigs treat us as equals."

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Try this:

#include <File.au3>
#include <Array.au3>
#include <AutoItConstants.au3>

Local $in=FileOpen("TEST_labels.idx1-ubyte", 16) ; 16+0=Read binary
Local $data = FileRead($in)
FileClose($in)
Local $iSize = BinaryLen($data)
Local $aByte[$iSize]
For $i = 0 To $iSize - 1
    $aByte[$i] = Int(BinaryMid($data, $i + 1, 1))
Next
_ArrayDisplay($aByte, "$FileArray", "", 32)

 


This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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