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Dies ist eine alte Version des Dokuments!

Table of Contents

Werte aus einer INI-Datei lesenWerte in eine INI-Datei schreibenINI-Section expotierenINI-Section importierenINI-Section löschenNeben der Registry bietet auch eine INI-Datei, d. h. eine strukturierte Textdatei, die Möglichkeit Werte abzuspeichern und wieder auszulesen.

Werte aus einer INI-Datei lesen

Function ReadIni( myFilePath, mySection, myKey )
    ' www.robvanderwoude.com/vbstech_files_ini.php
    ' This function returns a value read from an INI file
    '
    ' Arguments:
    ' myFilePath  [string]  the (path and) file name of the INI file
    ' mySection   [string]  the section in the INI file to be searched
    ' myKey       [string]  the key whose value is to be returned
    '
    ' Returns:
    ' the [string] value for the specified key in the specified section
    '
    ' CAVEAT:     Will return a space if key exists but value is blank
    '
    ' Written by Keith Lacelle
    ' Modified by Denis St-Pierre and Rob van der Woude
    Const ForReading   = 1
    Const ForWriting   = 2
    Const ForAppending = 8
    Dim intEqualPos
    Dim objFSO, objIniFile
    Dim strFilePath, strKey, strLeftString, strLine, strSection
    Set objFSO = CreateObject( "Scripting.FileSystemObject" )
    ReadIni     = ""
    strFilePath = Trim( myFilePath )
    strSection  = Trim( mySection )
    strKey      = Trim( myKey )
    If objFSO.FileExists( strFilePath ) Then
        Set objIniFile = objFSO.OpenTextFile( strFilePath, ForReading, False )
        Do While objIniFile.AtEndOfStream = False
            strLine = Trim( objIniFile.ReadLine )
            ' Check if section is found in the current line
            If LCase( strLine ) = "[" & LCase( strSection ) & "]" Then
                strLine = Trim( objIniFile.ReadLine )
                ' Parse lines until the next section is reached
                Do While Left( strLine, 1 ) <> "["
                    ' Find position of equal sign in the line
                    intEqualPos = InStr( 1, strLine, "=", 1 )
                    If intEqualPos > 0 Then
                        strLeftString = Trim( Left( strLine, intEqualPos - 1 ) )
                        ' Check if item is found in the current line
                        If LCase( strLeftString ) = LCase( strKey ) Then
                            ReadIni = Trim( Mid( strLine, intEqualPos + 1 ) )
                            ' In case the item exists but value is blank
                            If ReadIni = "" Then
                                ReadIni = " "
                            End If
                            ' Abort loop when item is found
                            Exit Do
                        End If
                    End If
                    ' Abort if the end of the INI file is reached
                    If objIniFile.AtEndOfStream Then Exit Do
                    ' Continue with next line
                    strLine = Trim( objIniFile.ReadLine )
                Loop
            Exit Do
            End If
        Loop
        objIniFile.Close
    End If
End Function

Hinweis: Die Datei wird als ASCII geöffnet. Um die Datei zwingen als ASCII- oder Unicode-Datei oder entsprechend dem Systemstandard zu öffnen, kann OpenTextFile - wie hier beschrieben - um einen weiteren Parameter ergänzt werden.

Werte in eine INI-Datei schreiben

Sub WriteIni( myFilePath, mySection, myKey, myValue )
    ' http://www.robvanderwoude.com/vbstech_files_ini.php
    ' This subroutine writes a value to an INI file
    '
    ' Arguments:
    ' myFilePath  [string]  the (path and) file name of the INI file
    ' mySection   [string]  the section in the INI file to be searched
    ' myKey       [string]  the key whose value is to be written
    ' myValue     [string]  the value to be written (myKey will be
    '                       deleted if myValue is <DELETE_THIS_VALUE>)
    '
    ' Returns:
    ' N/A
    '
    ' CAVEAT:     WriteIni function needs ReadIni function to run
    '
    'To delete a key in an INI file, use WriteINI with a value "<DELETE_THIS_VALUE>".
    '
    ' Written by Keith Lacelle
    ' Modified by Denis St-Pierre, Johan Pol and Rob van der Woude
    Const ForReading   = 1
    Const ForWriting   = 2
    Const ForAppending = 8
    Dim blnInSection, blnKeyExists, blnSectionExists, blnWritten
    Dim intEqualPos
    Dim objFSO, objNewIni, objOrgIni, wshShell
    Dim strFilePath, strFolderPath, strKey, strLeftString
    Dim strLine, strSection, strTempDir, strTempFile, strValue
    strFilePath = Trim( myFilePath )
    strSection  = Trim( mySection )
    strKey      = Trim( myKey )
    strValue    = Trim( myValue )
    Set objFSO   = CreateObject( "Scripting.FileSystemObject" )
    Set wshShell = CreateObject( "WScript.Shell" )
    strTempDir  = wshShell.ExpandEnvironmentStrings( "%TEMP%" )
    strTempFile = objFSO.BuildPath( strTempDir, objFSO.GetTempName )
    Set objOrgIni = objFSO.OpenTextFile( strFilePath, ForReading, True )
    Set objNewIni = objFSO.CreateTextFile( strTempFile, False, False )
    blnInSection     = False
    blnSectionExists = False
    ' Check if the specified key already exists
    blnKeyExists     = ( ReadIni( strFilePath, strSection, strKey ) <> "" )
    blnWritten       = False
    ' Check if path to INI file exists, quit if not
    strFolderPath = Mid( strFilePath, 1, InStrRev( strFilePath, "\" ) )
    If Not objFSO.FolderExists ( strFolderPath ) Then
        WScript.Echo "Error: WriteIni failed, folder path (" _
                   & strFolderPath & ") to ini file " _
                   & strFilePath & " not found!"
        Set objOrgIni = Nothing
        Set objNewIni = Nothing
        Set objFSO    = Nothing
        WScript.Quit 1
    End If
    While objOrgIni.AtEndOfStream = False
        strLine = Trim( objOrgIni.ReadLine )
        If blnWritten = False Then
            If LCase( strLine ) = "[" & LCase( strSection ) & "]" Then
                blnSectionExists = True
                blnInSection = True
            ElseIf InStr( strLine, "[" ) = 1 Then
                blnInSection = False
            End If
        End If
        If blnInSection Then
            If blnKeyExists Then
                intEqualPos = InStr( 1, strLine, "=", vbTextCompare )
                If intEqualPos > 0 Then
                    strLeftString = Trim( Left( strLine, intEqualPos - 1 ) )
                    If LCase( strLeftString ) = LCase( strKey ) Then
                        ' Only write the key if the value isn't empty
                        ' Modification by Johan Pol
                        If strValue <> "<DELETE_THIS_VALUE>" Then
                            objNewIni.WriteLine strKey & "=" & strValue
                        End If
                        blnWritten   = True
                        blnInSection = False
                    End If
                End If
                If Not blnWritten Then
                    objNewIni.WriteLine strLine
                End If
            Else
                objNewIni.WriteLine strLine
                    ' Only write the key if the value isn't empty
                    ' Modification by Johan Pol
                    If strValue <> "<DELETE_THIS_VALUE>" Then
                        objNewIni.WriteLine strKey & "=" & strValue
                    End If
                blnWritten   = True
                blnInSection = False
            End If
        Else
            objNewIni.WriteLine strLine
        End If
    Wend
    If blnSectionExists = False Then ' section doesn't exist
        objNewIni.WriteLine
        objNewIni.WriteLine "[" & strSection & "]"
            ' Only write the key if the value isn't empty
            ' Modification by Johan Pol
            If strValue <> "<DELETE_THIS_VALUE>" Then
                objNewIni.WriteLine strKey & "=" & strValue
            End If
    End If
    objOrgIni.Close
    objNewIni.Close
    ' Delete old INI file
    objFSO.DeleteFile strFilePath, True
    ' Rename new INI file
    objFSO.MoveFile strTempFile, strFilePath
    Set objOrgIni = Nothing
    Set objNewIni = Nothing
    Set objFSO    = Nothing
    Set wshShell  = Nothing
End Sub

Bsp.:

'FFSubmenu=Test
'FFName=INI bearbeiten
' die Datei test.ini muss bereits existieren!
WriteIni "D:\1\test.ini", "Section1", "Key1", "2000"                ' einen Schlüssel anlegen und Wert schreiben
WriteIni "D:\1\test.ini", "Section1", "Key2", "<DELETE_THIS_VALUE>" ' einen Schlüssel löschen
Msgbox ReadIni ("D:\1\test.ini", "Section1", "Key1")                ' eine Wert auslesen


INI-Section expotieren

Sub INISectionExport (inifile, section, exportfile)
    ' kopiert eine INI-Section mit allen Untereinträgen in eine Datei
    ' der bisherige Inhalt der Datei wird überschrieben
    Const ForReading = 1, ForWriting = 2
    Dim fso, f1, f2
    Dim saveline, iniarray, i
    Set fso = CreateObject("Scripting.FileSystemObject")
    Set f1 = fso.OpenTextFile(inifile, ForReading)
    If fso.FileExists(exportfile) Then
        Set f2 = fso.OpenTextFile(exportfile, ForWriting)
    Else
        fso.CreateTextFile exportfile, True
        Set f2 = fso.OpenTextFile(exportfile, ForWriting)
    End If
    iniarray = Split(f1.ReadAll, vbNewLine)
    saveline = 0
    For i = 0 to UBound(iniarray)
        If InStr(iniarray(i), section) Then saveline = 1                                    ' Sektion beginnt
        If InStr(iniarray(i), "[") and Not InStr(iniarray(i), section) Then    saveline = 0    ' Sektion endet
        If saveline = 1 Then
            f2.WriteLine iniarray(i)
        End If
    Next
    f1.Close
    f2.Close
    Set f2 = Nothing
    Set f1 = Nothing
End Sub

INI-Section importieren

Sub INISectionImport (inifile, importfile)
    ' importiert eine INI-Section aus eine Datei
    ' es wird nicht geprüft, ob eine gleichnamige Section bereits vorhanden ist
    Const ForReading = 1, ForAppending = 8
    Dim fso, f1, f2
    Set fso = CreateObject("Scripting.FileSystemObject")
    Set f1 = fso.OpenTextFile(inifile, ForAppending)
    Set f2 = fso.OpenTextFile(importfile, ForReading)
    Do While f2.AtEndOfStream <> True
        f1.WriteLine f2.ReadLine
    Loop
    f1.Close
    f2.Close
    Set f1 = Nothing
    Set f2 = Nothing
End Sub

INI-Section löschen

Sub INISectionDelet (inifile, section)
    ' löscht eine INI-Section mit allen Untereinträgen
    Const ForReading = 1, ForWriting = 2
    Dim fso, f1
    Dim delline, iniarray, i
    Set fso = CreateObject("Scripting.FileSystemObject")
    Set f1 = fso.OpenTextFile(inifile, ForReading)
    iniarray = Split(f1.ReadAll, vbNewLine)
    For i = 0 to UBound(iniarray)
        If InStr(iniarray(i), section) Then delline = 1                                    ' Sektion beginnt
        If InStr(iniarray(i), "[") and Not InStr(iniarray(i), section) Then    delline = 0    ' Sektion endet
        If delline = 1 Then
            iniarray(i) = "##delline**"
        End If
    Next
    Set f1 = fso.OpenTextFile(inifile, ForWriting)
    For i = 0 to UBound(iniarray)
        If iniarray(i) <> "##delline**" Then
            f1.WriteLine iniarray(i)
        End If
    Next
    f1.Close
    Set f1 = Nothing
End Sub

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