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jazzyjeff

Read array from INI file --- non-array Variable error

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jazzyjeff

Hello,

I am writing a program that can scan an ini file for a list of software. If I have the script look at a populated ini file, it runs fine. When the ini file has no keys or values, I get a subscript error.

Can someone look at my code to what I am doing wrong please?

;Check Software.ini file to populate list
$iCount = IniReadSection("C:\Program Files\App\Software.ini", "ApplicationName")
If @error Then
 IniWriteSection("C:\Program Files\App\Software.ini", "ApplicationName", "", "")
 IniWriteSection("C:\Program Files\App\Software.ini", "Install", "", "")
 Sleep(4000)
EndIf
_ArrayDisplay($iCount)
For $i = 1 To $iCount[0][0]
 _GUICtrlListView_AddItem($listSoftware, $iCount[$i][0] & " " & $iCount[$i][1])
 _GUICtrlListView_AddSubItem($listSoftware, $i, "Scanning...", 1)
 _GUICtrlListView_AddSubItem($listSoftware, $i, "Scanning...", 2)
 _GUICtrlListView_AddSubItem($listSoftware, $i, "Scanning...", 3)
Next

I added the @error because I realised that if there isn't an ini file, the script wouldn't be able to create an array. However, even with a blank ini file, it still doesn't work.

This is the error:

(52) : ==> Subscript used with non-Array variable.:

For $i = 1 To $iCount[0][0]

For $i = 1 To $iCount^ ERROR

Thanks for any help.

Jeff

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guinness

Look at using @error or even IsArray.

If IsArray($iCount) Then ; Ideally this should $aCount as it's an Array.
    For $i = 1 To $iCount[0][0]
        _GUICtrlListView_AddItem($listSoftware, $iCount[$i][0] & " " & $iCount[$i][1])
        _GUICtrlListView_AddSubItem($listSoftware, $i, "Scanning...", 1)
        _GUICtrlListView_AddSubItem($listSoftware, $i, "Scanning...", 2)
        _GUICtrlListView_AddSubItem($listSoftware, $i, "Scanning...", 3)
    Next
EndIf
Edited by guinness

UDF List:

 
_AdapterConnections()_AlwaysRun()_AppMon()_AppMonEx()_ArrayFilter/_ArrayReduce_BinaryBin()_CheckMsgBox()_CmdLineRaw()_ContextMenu()_ConvertLHWebColor()/_ConvertSHWebColor()_DesktopDimensions()_DisplayPassword()_DotNet_Load()/_DotNet_Unload()_Fibonacci()_FileCompare()_FileCompareContents()_FileNameByHandle()_FilePrefix/SRE()_FindInFile()_GetBackgroundColor()/_SetBackgroundColor()_GetConrolID()_GetCtrlClass()_GetDirectoryFormat()_GetDriveMediaType()_GetFilename()/_GetFilenameExt()_GetHardwareID()_GetIP()_GetIP_Country()_GetOSLanguage()_GetSavedSource()_GetStringSize()_GetSystemPaths()_GetURLImage()_GIFImage()_GoogleWeather()_GUICtrlCreateGroup()_GUICtrlListBox_CreateArray()_GUICtrlListView_CreateArray()_GUICtrlListView_SaveCSV()_GUICtrlListView_SaveHTML()_GUICtrlListView_SaveTxt()_GUICtrlListView_SaveXML()_GUICtrlMenu_Recent()_GUICtrlMenu_SetItemImage()_GUICtrlTreeView_CreateArray()_GUIDisable()_GUIImageList_SetIconFromHandle()_GUIRegisterMsg()_GUISetIcon()_Icon_Clear()/_Icon_Set()_IdleTime()_InetGet()_InetGetGUI()_InetGetProgress()_IPDetails()_IsFileOlder()_IsGUID()_IsHex()_IsPalindrome()_IsRegKey()_IsStringRegExp()_IsSystemDrive()_IsUPX()_IsValidType()_IsWebColor()_Language()_Log()_MicrosoftInternetConnectivity()_MSDNDataType()_PathFull/GetRelative/Split()_PathSplitEx()_PrintFromArray()_ProgressSetMarquee()_ReDim()_RockPaperScissors()/_RockPaperScissorsLizardSpock()_ScrollingCredits_SelfDelete()_SelfRename()_SelfUpdate()_SendTo()_ShellAll()_ShellFile()_ShellFolder()_SingletonHWID()_SingletonPID()_Startup()_StringCompact()_StringIsValid()_StringRegExpMetaCharacters()_StringReplaceWholeWord()_StringStripChars()_Temperature()_TrialPeriod()_UKToUSDate()/_USToUKDate()_WinAPI_Create_CTL_CODE()_WinAPI_CreateGUID()_WMIDateStringToDate()/_DateToWMIDateString()Au3 script parsingAutoIt SearchAutoIt3 PortableAutoIt3WrapperToPragmaAutoItWinGetTitle()/AutoItWinSetTitle()CodingDirToHTML5FileInstallrFileReadLastChars()GeoIP databaseGUI - Only Close ButtonGUI ExamplesGUICtrlDeleteImage()GUICtrlGetBkColor()GUICtrlGetStyle()GUIEventsGUIGetBkColor()Int_Parse() & Int_TryParse()IsISBN()LockFile()Mapping CtrlIDsOOP in AutoItParseHeadersToSciTE()PasswordValidPasteBinPosts Per DayPreExpandProtect GlobalsQueue()Resource UpdateResourcesExSciTE JumpSettings INISHELLHOOKShunting-YardSignature CreatorStack()Stopwatch()StringAddLF()/StringStripLF()StringEOLToCRLF()VSCROLLWM_COPYDATAMore Examples...

Updated: 22/04/2018

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BrewManNH

Did you look in the help file for IniReadSection? The return for it is a blank string with @error set to 1, if you get an error you're not getting an array. Creating the ini file, but not reading it again afterwards isn't going to do any good. Also, if the section exists, but it's empty, you're also going to end up with an empty array or a string (not sure on this) so it's going to give you an error again.


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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jazzyjeff

Thank you both! Guinness, thank you the IsArray was exactly what I needed.

I do read the helpfile (it's awesome), and it gave me the idea to use @error. I also tried reading the ini file into a variable again after creating the ini if it didn't exist.

I couldn't get around the problem that it may have no values on a first time use. I didn't even think about IsArray (not a function I've used much to be honest).

I appreciate both of your help and advice as always!

Thanks!

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guinness

IsArray is OK, but I rarely use it because more often than not proper error checking can avoid using this e.g. with the code above you could have done this instead >>

; Check Software.ini file to populate list
Local $aArray = IniReadSection("C:Program FilesAppSoftware.ini", "ApplicationName"), $sListSoftware
If @error Then
    IniWriteSection("C:Program FilesAppSoftware.ini", "ApplicationName", "", "")
    IniWriteSection("C:Program FilesAppSoftware.ini", "Install", "", "")
    Sleep(100)
Else
    _ArrayDisplay($aArray)
    For $i = 1 To $aArray[0][0]
        _GUICtrlListView_AddItem($sListSoftware, $aArray[$i][0] & " " & $aArray[$i][1])
        _GUICtrlListView_AddSubItem($sListSoftware, $i, "Scanning...", 1)
        _GUICtrlListView_AddSubItem($sListSoftware, $i, "Scanning...", 2)
        _GUICtrlListView_AddSubItem($sListSoftware, $i, "Scanning...", 3)
    Next
EndIf

UDF List:

 
_AdapterConnections()_AlwaysRun()_AppMon()_AppMonEx()_ArrayFilter/_ArrayReduce_BinaryBin()_CheckMsgBox()_CmdLineRaw()_ContextMenu()_ConvertLHWebColor()/_ConvertSHWebColor()_DesktopDimensions()_DisplayPassword()_DotNet_Load()/_DotNet_Unload()_Fibonacci()_FileCompare()_FileCompareContents()_FileNameByHandle()_FilePrefix/SRE()_FindInFile()_GetBackgroundColor()/_SetBackgroundColor()_GetConrolID()_GetCtrlClass()_GetDirectoryFormat()_GetDriveMediaType()_GetFilename()/_GetFilenameExt()_GetHardwareID()_GetIP()_GetIP_Country()_GetOSLanguage()_GetSavedSource()_GetStringSize()_GetSystemPaths()_GetURLImage()_GIFImage()_GoogleWeather()_GUICtrlCreateGroup()_GUICtrlListBox_CreateArray()_GUICtrlListView_CreateArray()_GUICtrlListView_SaveCSV()_GUICtrlListView_SaveHTML()_GUICtrlListView_SaveTxt()_GUICtrlListView_SaveXML()_GUICtrlMenu_Recent()_GUICtrlMenu_SetItemImage()_GUICtrlTreeView_CreateArray()_GUIDisable()_GUIImageList_SetIconFromHandle()_GUIRegisterMsg()_GUISetIcon()_Icon_Clear()/_Icon_Set()_IdleTime()_InetGet()_InetGetGUI()_InetGetProgress()_IPDetails()_IsFileOlder()_IsGUID()_IsHex()_IsPalindrome()_IsRegKey()_IsStringRegExp()_IsSystemDrive()_IsUPX()_IsValidType()_IsWebColor()_Language()_Log()_MicrosoftInternetConnectivity()_MSDNDataType()_PathFull/GetRelative/Split()_PathSplitEx()_PrintFromArray()_ProgressSetMarquee()_ReDim()_RockPaperScissors()/_RockPaperScissorsLizardSpock()_ScrollingCredits_SelfDelete()_SelfRename()_SelfUpdate()_SendTo()_ShellAll()_ShellFile()_ShellFolder()_SingletonHWID()_SingletonPID()_Startup()_StringCompact()_StringIsValid()_StringRegExpMetaCharacters()_StringReplaceWholeWord()_StringStripChars()_Temperature()_TrialPeriod()_UKToUSDate()/_USToUKDate()_WinAPI_Create_CTL_CODE()_WinAPI_CreateGUID()_WMIDateStringToDate()/_DateToWMIDateString()Au3 script parsingAutoIt SearchAutoIt3 PortableAutoIt3WrapperToPragmaAutoItWinGetTitle()/AutoItWinSetTitle()CodingDirToHTML5FileInstallrFileReadLastChars()GeoIP databaseGUI - Only Close ButtonGUI ExamplesGUICtrlDeleteImage()GUICtrlGetBkColor()GUICtrlGetStyle()GUIEventsGUIGetBkColor()Int_Parse() & Int_TryParse()IsISBN()LockFile()Mapping CtrlIDsOOP in AutoItParseHeadersToSciTE()PasswordValidPasteBinPosts Per DayPreExpandProtect GlobalsQueue()Resource UpdateResourcesExSciTE JumpSettings INISHELLHOOKShunting-YardSignature CreatorStack()Stopwatch()StringAddLF()/StringStripLF()StringEOLToCRLF()VSCROLLWM_COPYDATAMore Examples...

Updated: 22/04/2018

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