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win286

[Solved] Array Name in Variable

20 posts in this topic

#1 ·  Posted (edited)

In a loop I have an array with a generic name ($aIncoming)

Local $aIncoming[3] = ['NAME', 'UN', 'User Name Here']

some items are based on variable content. The rest is handled in a case statement.

$aIncoming[1] could be any one of 30-40 different qualifiers

DN=Domain Name, MN=Machine Name, UR=URL Title, etc...

Array will have 3 or more fields/elements

Local $aIncoming[4] = ['NAME', 'VN', 'Vendor Name Here', 'Vendor ID Here']

I create the name the array needs to be in a variable ($varName)

Local $varName = "$a" & $aIncoming[0] & $aIncoming[1]

I Want to have the equivalent of:

$aNAMEUN = $aIncoming

$aNAMEVN = $aIncoming

Any help is appreciated. My alternative is to create numbered arrays and read the needed elements in a loop when needed.

Local $aIncoming[3] = ['NAME', 'UN', 'User Name Here']
Local $varName = "$a" & $aIncoming[0] & $aIncoming[1]
Local $varCnt = UBound($aIncoming)
Msgbox(0, "What I Want is:", $varName &"[" & $varCnt & "] = ['" & $aIncoming[0] & "' , '" & $aIncoming[1] & "' , '" & $aIncoming[2] & "']")
Edited by win286

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Use Assign.


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.
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I've tried assign. I may be doing it wrong but it appears blank. Thanks.

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I don't think you're explaining very clearly what exactly it is that you are trying to do with the arrays and variables. What is the outcome of the variable's name and its contents supposed to be when it's done?


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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I would like to get an array name $aIncoming into another array which the name is found in the variable $varName and is based on the text "$a" and contents of $aIncoming[0] & $aIncoming[1].

I can assign one element from $aIncoming but not the array. I've tried many ways.

Let me know if there is anything I can do to clarify my need.

Thanks.

Local $aIncoming[3] = ['NAME', 'UN', 'User Name Here']
Local $varName = "$a" & $aIncoming[0] & $aIncoming[1]
Assign($varName, $aIncoming)
; the assign does nothing with the array, I can assign one element $aIncoming[2] but not what I want
Execute($varName &"[" & $varCnt & "] = ['" & $aIncoming[0] & "' , '" & $aIncoming[1] & "' , '" & $aIncoming[2] & "']")
; the execute didn't work either
;
Local $varCnt = UBound($aIncoming)
Msgbox(0, "What I Want is:", $varName &"[" & $varCnt & "] = ['" & $aIncoming[0] & "' , '" & $aIncoming[1] & "' , '" & $aIncoming[2] & "']")

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#6 ·  Posted (edited)

I'd just create a 2D array, and then pull the data necessary as required

Global Enum $iArray1D_Domain = 0, _
$iArray1D_Machine, _
$iArray1D_URL, _
$iArray1D_UBound

Global Enum $iArray2D_Def = 0, _
$iArray2D_Key, _
$iArray2D_Value, _
$iArray2D_UBound

Global $aIncoming[$iArray1D_UBound][$iArray2D_UBound]

Example of pulling data later:

; Example of later pulling the [Machine][Key], and [Machine][Value]
$Key = $aIncoming[$iArray1D_Machine][$iArray2D_Key]
$Value = $aIncoming[$iArray1D_Machine][$iArray2D_Value]
Edited by jdelaney

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May I ask why you're trying to create an array this way? Explain what you want to do with this array/variable after you've created it, there's probably a much better way around this.


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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Sorry for the delayed response, forum restrictions didn't allow me to post again.

I'm taking reporting data and creating an electronic version

The data references in the program config file are what I'm following

For things like Title, SubTitle, Header, SubHeader, etc...

I create an array with that name $aTITLE and in the config file

I get the reference TITLE05, TITLE07, TITLE10, TITLE11, etc...

then I just split the reference text and Execute

$isdk = stringright($aSDName[$iSD][1], 2)

$sdval = Execute("$a" & StringTrimRight($aSDName[$iSD][1],2) & $qual & "[" & $isdk & "]")

For data references with a qualifier I look for a ")"

The data references would now look like NAME02(CN), NAME02(VN), etc...

If stringright($aSDName[$iSD][1], 1) = ")" Then

I will parce, set $qual and Execute with the qualifier not empty

Thanks.

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That's not really clearing anything up very much.

I'd do what jdelaney said and just create a dynamic 2D array and parse the data into one array. Creating multiple arrays for the data seems the long way round, and I'm not sure you can even do it with arrays like that.


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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#10 ·  Posted (edited)

apparently no one understand him

so one more longshot

maybe he is looking for eval?!!

$1 = 'D'
$2 = 'a'
$3 = 't'
$4 = 'a'
$Data = 'hi there'
MsgBox(0, '', Eval($1&$2&$3&$4))

thought, whud not know if it'll work with arrays if not using some kinde of a loop to join variable array data before Eval.

Edited by bogQ

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I'm guessing OP is talking about variable variables like they have in PHP. If that's the case I'd advise to rethink your code as it's ambiguous, unreliable and a maintenance hell. Just go with jdelaney's suggestion and store your commands as strings and cross-reference the indexes between arrays.


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The 2D array does follow the conventions I have been using better but the example makes no sense to me. Here is my attempt:

#include 
Global $aMultiArray = 0

;Simulate Incoming Data
Local $aIncoming[4] = [3, 'NAME', 'UN', 'User Name Here']
BuildArray($aIncoming)
$aIncoming = 0
Local $aIncoming[5] = [4, 'NAME', 'VN', 'Vendor Name Here', 'ID']
BuildArray($aIncoming)
$aIncoming = 0
Local $aIncoming[4] = [3, 'NAME', 'CN', 'Customer Name Here']
BuildArray($aIncoming)

Exit
 

Func BuildArray($aSD)
  ;Check if array exists
  If UBound($aMultiArray) > 0 Then
  ;If array exists, get # of elements (col)
    ;Increase # of elements if needed
    ;Add row for data set
Else
  ;If array doesn't exist, create array
  Dim $aMultiArray[$aSD[0]+1][1]
EndIf

;Add data
For $i = 0 to UBound($aSD)
;$aMultiArray[$i] = $aSD[$i]
Next


;Display for Testing
_ArrayDisplay($aMultiArray)
_ArrayDisplay($aSD)

Return 1
EndFunc

Please let me know what I'm doing...

Thanks.

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win286,

I see that the heavy hitters are looking at this so I will offer this advice. Define your inputs and your expected results. The experts have a cagillion ways to skin a cat.

kylomas


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- Sir Winston Churchill

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Here's one of the ways to skin said feline.

#include <array.au3>
Global $aMultiArray[2][5] ; make the second dimension as large as the largest incoming array you expect to see
$aMultiArray[0][0] = 0

;Simulate Incoming Data
Local $aIncoming[4] = [3, 'NAME', 'UN', 'User Name Here']
BuildArray($aIncoming)
$aIncoming = 0
Local $aIncoming[5] = [4, 'NAME', 'VN', 'Vendor Name Here', 'ID']
BuildArray($aIncoming)
$aIncoming = 0
Local $aIncoming[4] = [3, 'NAME', 'CN', 'Customer Name Here']
BuildArray($aIncoming)
Local $aIncoming[4] = [3, 'NAME', 'CN', 'Customer Name Here']
BuildArray($aIncoming)
Local $aIncoming[4] = [3, 'NAME', 'CN', 'Customer Name Here']
BuildArray($aIncoming)
ReDim $aMultiArray[$aMultiArray[0][0] + 1][5] ; shrinks the array down to just large enough to hold the data it contains
_ArrayDisplay($aMultiArray)
Exit

Func BuildArray($aSD)
     ; Make the array $aMultiArray dynamically sized so there shouldn't be a problem with adding more data
     $aMultiArray[0][0] = $aMultiArray[0][0] + 1
     If $aMultiArray[0][0] > UBound($aMultiArray) - 1 Then
          ReDim $aMultiArray[$aMultiArray[0][0] + 1000][5]
     EndIf

     ;Add data
     For $i = 0 To UBound($aSD) - 1
          $aMultiArray[$aMultiArray[0][0]][$i] = $aSD[$i]
     Next
     ;Display for Testing
     _ArrayDisplay($aMultiArray)

     Return 1
EndFunc   ;==>BuildArray

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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win286,

Is you input comming from a file? If so, is each record in the file delimited (perhaps by a comma)? The first element in each row of your array seems to be an indicator of the number of following elements. If so, what is your intended use of this value?

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."

- Sir Winston Churchill

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win286,

This may be usefull to you. The following creates a 2d array of variable columns from a comma delimited file.

#include <file.au3>
#include <Array.au3>
Opt("MustDeclareVars", 1)
dim $file,$a1,$a2

$file = "some.comma.delimited.file"
; read the file to an array splitting on @LF
$a1 = stringsplit(fileread($file),@lf,1)
; define vars for munber of rows and max number of columns
local $rows = ubound($a1),$cols = 0
; spin the array of records splitting on the field delimiter of each row to find the max col value
for $i = 0 to ubound($a1) - 1
 $a2 = stringsplit($a1[$i],',',1)
 if ubound($a2) > $cols then $cols = ubound($a2)
next
; define your final array
local $aFinal[$rows][$cols]
; finally, populate the final 2d array from the array created during the file read
for $i = 1 to $rows - 1
 $a2 = stringsplit($a1[$i],',',1)
 for $j = 0 to ubound($a2) - 1
  $aFinal[$i][$j] = $a2[$j]
 Next
next
_arraydisplay($aFinal)

Good Luck,

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."

- Sir Winston Churchill

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Thanks BrewManNH, This gets me moving again!

Is the ReDim process slow or slows down with data in the array? Just trying to understand why the ReDim shouldn't be in the loop as +1 vs. seading the array with +1000.

I now know enough to ask a specific question! :-)

Thanks again.

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kylomas - No, the data is coming from a case statement that's already parsed. I found that there were items I had to loop through again to make things work. Thanks.

Also, I don't know how to change the subject or mark this thread as resolved.

Thanks!

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win286,

Redim is slow and should not be used in a loop. A common technique for redim is to increase the size of the array by 50 percent of its size at the time of redim.

Another caution, _arraydisplay is slow and has a limit of appx 60,000 + rows (in case you are using larger arrays)

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."

- Sir Winston Churchill

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win286,

Go to the first post and you can edit the title using the full editor. Most people prepend "[solved]" to the title.

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."

- Sir Winston Churchill

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