Import Data From Text File - VBA Code Question

ststern45

Well-known Member
Joined
Sep 17, 2005
Messages
814
Office Version
  1. 2010
Platform
  1. Windows
Below is code that will import data from a text file into Excel.

Is there a way to change the code where you can import 2 sheets of data, save the workbook, continue to a new workbook, import 3 more sheets of data where you left off from workbook #1? Continue the entire process until all the data from the text file is completed?

Thanks!!

Sub ImportLargeFileADO()

'Imports text file into Excel workbook using ADO.
'If the number of records exceeds 65000 then it splits it over more than one sheet.
'http://www.danielklann.com/Excel/importing_large_text_files_into.htm

Dim strFilePath As String, strFilename As String, strFullPath As String
Dim lngCounter As Long
Dim oConn As Object, oRS As Object, oFSObj As Object

'Get a text file name
strFullPath = Application.GetOpenFilename("Text Files (*.txt),*.txt", , "Please select text file...")

If strFullPath = "False" Then Exit Sub 'User pressed Cancel on the open file dialog

'This gives us a full path name e.g. C:\temp\folder\file.txt
'We need to split this into path and file name
Set oFSObj = CreateObject("SCRIPTING.FILESYSTEMOBJECT")

strFilePath = oFSObj.GetFile(strFullPath).ParentFolder.Path
strFilename = oFSObj.GetFile(strFullPath).Name

'Open an ADO connection to the folder specified
Set oConn = CreateObject("ADODB.CONNECTION")
oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=" & strFilePath & ";" & _
"Extended Properties=""text;HDR=No;FMT=Delimited"""

Set oRS = CreateObject("ADODB.RECORDSET")

'Now actually open the text file and import into Excel
oRS.Open "SELECT * FROM " & strFilename, oConn, 3, 1, 1
While Not oRS.EOF
Sheets.Add
ActiveSheet.Range("A1").CopyFromRecordset oRS, 65000
Wend

oRS.Close
oConn.Close

End Sub


Option Explicit
Option Compare Text
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' modImportBigFiles
' This module contains the ImportBigTextFile procedure and the IsFileOpen procedure.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

Sub ImportBigTextFile()
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
' ImportBigTextFiles
' By Chip Pearson, chip@cpearson.com, Excel Redirect
' This procedure is on Importing Large Files In To Excel
' This procedure requires Excel 2000 or later.
'
' An Excel worksheet (2003 and earlier) is limited to 65,536 rows. You cannot increase this
' limit. Therefore, if you use Excel's tools to import a text or csv file with more
' than 65,536 rows of data, Excel will only import the first 65,536 records (or fewer,
' depending on the row in which you start the import). This procedure may be used to import a text
' or CSV file of any number of rows. It will begin the import by placing the imported data on the sheet
' named in C_START_SHEET_NAME starting in row C_START_ROW_FIRST_PAGE.
'
' Note that the import process always writes records to the ActiveWorkbook, which may or may not
' be the same workbook that contains this code. Ensure that the proper workbook is active
' prior to running the import process.
'
' RowNdx is the current row number where the input record will be placed. When any one or more
' of the following are true:
' RowNdx > Rows.Count
' RowNdx > LastRowForInput
' RowsThisSheet > MaxRowsPerSheet
' the procedure will create a new worksheet immediately following the current worksheet and
' name it
' C_SHEET_NAME_PREFIX & Format(SheetNumber, "0")
'
' The procedure will optionally split the input data into multiple columns, delimited by a
' character specified in the SplitChar variable.
'
' The following constants and variable determine how the procedure handles data and new worksheets:
'
' C_START_ROW_FIRST_PAGE is the row number on the first worksheet (C_START_SHEET_NAME)
' where the data should be placed. This is used if you have
' header rows that you want to preserve.
'
' C_START_ROW_LATER_PAGES is the row number on subsequent (sheet 2, 3, etc) that the
' data should be started.
'
' C_START_SHEET_NAME is the name of an existing worksheet. The imported data will
' start by filling this sheet before creating a new worksheet.
'
' C_START_COLUMN is the column in which the data is placed. If SplitChar is
' vbNullString, the entire line of input data will be placed
' in this column. If SplitChar is not vbNullString, the input
' data is split into an array using SplitChar as a delimiter,
' and each data element will be put in its own column, starting
' with C_START_COLUMN.
'
' C_TEMPLATE_SHEET_NAME is the name of an existing worksheet that is used as the
' template for each new sheet created by the function. This
' must NOT be the same as C_START_SHEET_NAME, since copying
' C_START_SHEET_NAME would copy all of the imported (so far)
' data to the new sheet. If you don't want to use a template
' sheet, set this constant to vbNullString.
'
' C_UPDATE_STATUSBAR_EVERY_N_RECORDS
' is the number of records after which the a message will
' be displayed in the StatusBar. Set this value to <= 0 if you
' do not want any StatusBar updates. A typical value for this
' constant is 1000.
'
' C_STATUSBAR_TEXT is the text to be displayed in the StatusBar. The current record
' count will be appnded to this text. This value is not used
' if C_UPDATE_STATUSBAR_EVERY_N_RECORDS is <= 0. The string
' value in this constant should include a trailing space. A
' typical value for this constant is "Processing Record: "
'
' C_SHEET_NAME_PREFIX is a string value which will be used for naming newly created
' worksheets. This constant must have <= 28 characters, which
' leaves the procedure three characters for the numeric suffix.
' This allows for importing 65,404,928 rows. If there are more
' rows, the proceudre will import them, but the worksheet names
' may not be named properly. They will, however, be in the proper
' sequence.
'
' LastRowForInput is the last row number on a worksheet that the imported data
' should be placed. Set this to either <= 0 or to Rows.Count
' to import data to the last row of the worksheet.
'
' MaxRowsPerSheet is the maximum number of rows to import on to a single worksheet.
' Set this to <= 0 or Rows.Count to import to the last row
' of a worksheet. While the procedure can properely handle values
' in both LastRowForInput and MaxRowsPerSheet, you will most likely
' set both to <=0 or set one to <= 0 and the other to its appropriate
' value. Typically, both variables will not have non-zero values.
'
' SplitChar is the character which delimits the data fields in the input data.
' If this character is vbNullString, the entire input line of data
' will be placed in C_START_COLUMN. If SplitChar is not vbNullString,
' it is truncated to 1 character (the left-most character) and then used
' in Split function to split the input data into an array, delimited by SplitChar.
' Each element of the array is put into its own column, starting with
' C_START_COLUMN and proceeding to the right. SplitChar is typically set
' to a comma, semicolon, or vbTab, but it can be any character.
'
' The procedure saves the following Application properties, then turns them off. It will restore the saved
' values at the end of the procedure.
' Calculation
' ScreenUpdating
' DisplayAlerts
' EnableEvents
'
'-------------------------
' Possible Data Loss
'-------------------------
' It is possible that some data loss may occur if the function is splitting the input data into multiple columns.
' If the number of data elements in the input record plus the value of StartColumn is greater than the number
' of Columns in the worksheet, data elements that would go past the right-most column of the worksheet are not imported.
' The number of these truncated records is stored in the TruncatedCount variable and is displayed at the end
' of the procedure.
'
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

' data starts on this row on the first sheet
Const C_START_ROW_FIRST_PAGE = 3

' data starts on this row for all subsequent sheets
Const C_START_ROW_LATER_PAGES = 2

' worksheet name where data should start. This sheet must exist.
Const C_START_SHEET_NAME = "Sheet1"

' what column do we start placing the data
Const C_START_COLUMN = 4

' newly created worksheets will be named C_SHEET_NAME_PREFIX & Format(SheetNum,"0")
Const C_SHEET_NAME_PREFIX = "DataImport"

' newly created worksheets will be based on this template sheet. set to vbNullString if
' you don't want to use a template sheet and use a blank sheet instead.
Const C_TEMPLATE_SHEET_NAME = vbNullString

' update the Application.StatusBar every C_UPDATE_STATUSBAR_EVERY_N_RECORDS records.
' set this to 0 if you don't want status bar messages.
Const C_UPDATE_STATUSBAR_EVERY_N_RECORDS = 1000

' this is the message to be displayed in the status bar. The number of records
' read so far will be appended to this value.
Const C_STATUSBAR_TEXT = "Processing Record: "



Dim RowNdx As Long ' Current RowNumber
Dim Colndx As Long ' Current Column
Dim FName As Variant ' Input file name
Dim FNum As Integer ' Filenumber returned by FreeFile
Dim WS As Worksheet ' Worksheet on which the data should be placed
Dim InputLine As String ' The entire line of text read from the input file
Dim Arr As Variant ' Used with Split to break InputLine into an array,
' delimited by SplitChart
Dim SplitChar As String ' The character used by Split. This character delimits
' the input data fields in InputLine. Typically, this
' character will be a comma, semicolon, or vbTab.
' If this character is vbNullString, the input data
' won't be split, and the entire InputLine will be
' put in column C_START_COLUMN
Dim SheetNumber As Long ' Increments for each worksheet we populate with data
Dim SaveCalc As XlCalculation ' Caller's Calculation mode.
Dim SaveScreenUpdating As Boolean ' Caller's ScreenUpdating mode
Dim SaveDisplayAlerts As Boolean ' Caller's DisplayAlerts property
Dim SaveEnableEvents As Boolean ' Caller's EnableEvents property
Dim InputCounter As Long ' Counter of all records imported
Dim LastRowForInput As Long ' Indicate the last row on the worksheet than
' input data should be used. Set this to a value <= Rows.Count.
Dim MaxRowsPerSheet As Long ' The maximumn number of rows to import on each sheet.
' Set this to <= 0 if you don't want to use this parameter.
Dim RowsThisSheet As Long ' Keeps track of the rows imported on to the current sheet.
Dim TruncatedCount As Long ' Counts the number of records whose input was truncated because
' it would have gone past the last column of the worksheet.

SheetNumber = 1

'''''''''''''''''''''''''''''''''''''''''''''
' Ensure we have an active workbook.
'''''''''''''''''''''''''''''''''''''''''''''
If Application.ActiveWorkbook Is Nothing Then
MsgBox "There is no active workbook."
Exit Sub
End If

''''''''''''''''''''''''''''''''''''''''''''''
' Set what character we're going to
' use to split apart the input line. The
' input line will be SPLIT on this character,
' and each text field will go into its own
' column. Data will be separated by
' SplitChar into multiple columns, starting
' on column C_START_COLUMN. If SplitChar is
' vbNullString, the entire input line is
' placed in C_START_COLUMN. SplitChar must
' be a single character. It is typically
' a comma, semicolon, or vbTab, but it can
' be any character. If SplitChar is set to
' more than one character, it is truncated
' to a single (the left-most) character.
' When placing data elements in separate
' columns, it is possible that the number of
' imported elements would extend past the
' last column of the worksheet. The count
' of records whose input was truncated because
' it would have gone past the last column
' of the worksheet is stored in the TruncatedCount
' variable. The value of this variable is
' displayed at the end of the procedure.
'
''''''''''''''''''''''''''''''''''''''''''''''
SplitChar = ","

''''''''''''''''''''''''''''''''''''''''''''''
' Set the maximum number of data input rows
' to place on each worksheet. Set this
' value to <= 0 or to Rows.Count to fill
' the entire worksheet.
''''''''''''''''''''''''''''''''''''''''''''''
MaxRowsPerSheet = 0&

'''''''''''''''''''''''''''''''''''''''''''''
' Set the LastRowForInput value. This when
' this row number is reached, a new worksheet
' will be created. Set this to 0 or
' WS.Rows.Count to fill the entire worksheet.
'''''''''''''''''''''''''''''''''''''''''''''
LastRowForInput = ActiveWorkbook.Worksheets(1).Rows.Count

''''''''''''''''''''''''''''''''''''''''''''''''''
' Ensure that C_SHEET_NAME_PREFIX is <= 29
' characters. This leaves us two characters for
' the numeric suffix, or 99 added sheets. If
' more sheets are needed, they will be created,
' and the data will be imported, but the sheets
' will have the default Excel-generated name, not
' the C_SHEET_NAME_PREFIX name. They will be in
' the correct order.
''''''''''''''''''''''''''''''''''''''''''''''''''
If (Len(C_SHEET_NAME_PREFIX) < 1) Or (Len(C_SHEET_NAME_PREFIX) > 29) Then
MsgBox "The value of C_SHEET_NAME_PREFIX must have between 1 and 29 characters." & vbCrLf & _
"The current length of C_SHEET_NAME_PREFIX is " & CStr(Len(C_SHEET_NAME_PREFIX)) & " characters."
Exit Sub
End If

'''''''''''''''''''''''''''''''''''''''''''''''''''
' Ensure C_START_SHEET_NAME refers to an existing
' sheet.
'''''''''''''''''''''''''''''''''''''''''''''''''''
On Error Resume Next
Err.Clear
Set WS = ActiveWorkbook.Worksheets(C_START_SHEET_NAME)
If Err.Number <> 0 Then
MsgBox "The sheet named in C_START_SHEET_NAME (" & C_START_SHEET_NAME & ") does not exist" & vbCrLf & _
"or is not a worksheet (e.g., it is a chart sheet).", vbOKOnly
Exit Sub
End If

''''''''''''''''''''''''''''''''''''''''''''''''''
' Ensure that if C_TEMPLATE_SHEET_NAME is not
' vbNullString, it names an existing sheet, and
' that it is not equal to C_START_SHEET_NAME.
''''''''''''''''''''''''''''''''''''''''''''''''''
On Error Resume Next
Err.Clear
If C_TEMPLATE_SHEET_NAME <> vbNullString Then
Set WS = ActiveWorkbook.Worksheets(C_TEMPLATE_SHEET_NAME)
If Err.Number <> 0 Then
MsgBox "The template sheet '" & C_TEMPLATE_SHEET_NAME & "' does not exist or is not a worksheet."
Exit Sub
End If
''''''''''''''''''''''''''''''''''''''''''''''''''
' Ensure that C_START_SHEET_NAME does not equal
' C_TEMPLATE_SHEET_NAME
''''''''''''''''''''''''''''''''''''''''''''''''''
If C_TEMPLATE_SHEET_NAME = C_START_SHEET_NAME Then
MsgBox "The C_TEMPLATE_SHEET_NAME is equal to the C_START_SHEET_NAME." & vbCrLf & _
"This is not allowed."
Exit Sub
End If
End If
On Error GoTo 0

''''''''''''''''''''''''''''''''''''''''''''''''''''
' We may have changed the worksheet referenced by WS
' when testing if C_TEMPLATE_SHEET_NAME exists. Reset
' WS back to C_START_SHEET_NAME.
''''''''''''''''''''''''''''''''''''''''''''''''''''
Set WS = ActiveWorkbook.Worksheets(C_START_SHEET_NAME)

''''''''''''''''''''''''''''''''''''''''''''''''''
' Ensure that none of the following are protected:
' C_START_SHEET_NAME
' C_TEMPLATE_SHEET_NAME
' ActiveWorkbook
''''''''''''''''''''''''''''''''''''''''''''''''''
If WS.ProtectContents = True Then
MsgBox "The worksheet '" & WS.Name & "' is protected."
Exit Sub
End If

If C_TEMPLATE_SHEET_NAME <> vbNullString Then
If ActiveWorkbook.Worksheets(C_TEMPLATE_SHEET_NAME).ProtectContents = True Then
MsgBox "The Template Sheet (" & C_TEMPLATE_SHEET_NAME & ") is protected."
Exit Sub
End If
End If

If ActiveWorkbook.ProtectStructure = True Then
MsgBox "The ActiveWorkbook is protected."
Exit Sub
End If



''''''''''''''''''''''''''''''''''''''''''''''
' Prompt the user for a TXT or CSV file
''''''''''''''''''''''''''''''''''''''''''''''
FName = Application.GetOpenFilename(FileFilter:="Text Files (*.txt),*.txt," & _
"CSV Files (*.csv),*.csv")
If FName = False Then
' user clicked CANCEL. get out now.
Exit Sub
End If

''''''''''''''''''''''''''''''''''''''''''''''
' Set our starting destination worksheet.
' Error and exit if sheet does not exist
''''''''''''''''''''''''''''''''''''''''''''''
On Error Resume Next
Set WS = ActiveWorkbook.Worksheets(C_START_SHEET_NAME)
If WS Is Nothing Then
MsgBox "The worksheet specified in C_START_SHEET_NAME (" & _
C_START_SHEET_NAME & ") does not exist."
Exit Sub
End If
On Error GoTo 0

'''''''''''''''''''''''''''''''''''''''''''''
' See if the file FName is open by another
' process. If it is, exit the procedure.
'''''''''''''''''''''''''''''''''''''''''''''
If IsFileOpen(FileName:=CVar(FName)) = True Then
MsgBox "The file '" & FName & "' is open by another process."
Exit Sub
End If

''''''''''''''''''''''''''''''''''''''''''''''
' Save the calculation mode and the ScreenUpdating
' mode. Set calculation to manual and turn off
' ScreenUpdating. This will greatly improve
' the performance of the code.
''''''''''''''''''''''''''''''''''''''''''''''
SaveCalc = Application.Calculation
SaveDisplayAlerts = Application.DisplayAlerts
SaveScreenUpdating = Application.ScreenUpdating
SaveEnableEvents = Application.EnableEvents

Application.DisplayAlerts = False
Application.Calculation = xlCalculationManual
Application.ScreenUpdating = False
Application.EnableEvents = False

''''''''''''''''''''''''''''''''''''''''''''''
' Get a file number and open the file
''''''''''''''''''''''''''''''''''''''''''''''
On Error Resume Next
FNum = FreeFile
Err.Clear
Open FName For Input Access Read As #FNum
If Err.Number <> 0 Then
'''''''''''''''''''''''''''''''''''''''''
' If an error occurred, alert the user,
' restore application settings, and
' exit the procedure.
'''''''''''''''''''''''''''''''''''''''''
MsgBox "An error occurred opening file '" & FName & "'." & vbCrLf & _
"Error Number: " & CStr(Err.Number) & vbCrLf & _
"Description: " & Err.Description
Close #FNum
Application.Calculation = SaveCalc
Application.ScreenUpdating = SaveScreenUpdating
Application.DisplayAlerts = SaveDisplayAlerts
Application.EnableEvents = SaveEnableEvents
Exit Sub
End If
On Error GoTo 0

''''''''''''''''''''''''''''''''''''''''''''''
' Initialize the RowNd index variable to
' C_START_ROW_FIRST_PAGE. This constant
' is used to preserve any header rows that
' may be present.
''''''''''''''''''''''''''''''''''''''''''''''
RowNdx = C_START_ROW_FIRST_PAGE

''''''''''''''''''''''''''''''''''''''''''''''
' Ensure that SplitChar is a single character.
''''''''''''''''''''''''''''''''''''''''''''''
If SplitChar <> vbNullString Then
SplitChar = Left(SplitChar, 1)
End If

''''''''''''''''''''''''''''''''''''''''''''''
' If LastRowForInput is <= 0, then set it
' to Rows.Count
''''''''''''''''''''''''''''''''''''''''''''''
If LastRowForInput <= 0 Then
LastRowForInput = WS.Rows.Count
End If

''''''''''''''''''''''''''''''''''''''''
' If MaxRowsPerSheet is <= 0, use Rows.Count
''''''''''''''''''''''''''''''''''''''''
If MaxRowsPerSheet <= 0 Then
MaxRowsPerSheet = Rows.Count
End If


''''''''''''''''''''''''''''''''''''''''''''''
' Loop until we hit the end of the file.
''''''''''''''''''''''''''''''''''''''''''''''
On Error GoTo 0
Do Until EOF(FNum)
''''''''''''''''''''''''''''''''''''''''''''''
' Get the next line of data from the file
''''''''''''''''''''''''''''''''''''''''''''''
Line Input #FNum, InputLine
''''''''''''''''''''''''''''''''''''''''''
' Increment counters.
''''''''''''''''''''''''''''''''''''''''''
InputCounter = InputCounter + 1
RowsThisSheet = RowsThisSheet + 1
''''''''''''''''''''''''''''''''''''''''''
' Determine whether to update the StatusBar.
''''''''''''''''''''''''''''''''''''''''''
If C_UPDATE_STATUSBAR_EVERY_N_RECORDS > 0 Then
If InputCounter Mod C_UPDATE_STATUSBAR_EVERY_N_RECORDS = 0 Then
Application.StatusBar = C_STATUSBAR_TEXT & _
Format(InputCounter, "#,##0")
End If
End If
If SplitChar = vbNullString Then
''''''''''''''''''''''''''''''''''''''
' We're not spliting up the input. Put
' the entire line in column C_START_COLUMN
''''''''''''''''''''''''''''''''''''''
WS.Cells(RowNdx, C_START_COLUMN).Value = InputLine
Else
''''''''''''''''''''''''''''''''''''''''
' SplitChar is not vbNullString.
' We're spliting up the input into columns.
' Use Split to get an array of the items
' in InputLine, delimited by SplitChar,
' and then loop through the Arr array, putting
' each element in its own column
''''''''''''''''''''''''''''''''''''''''
Arr = Split(expression:=InputLine, delimiter:=SplitChar, limit:=-1, compare:=vbTextCompare)
For Colndx = LBound(Arr) To UBound(Arr)
'''''''''''''''''''''''''''''''''''''''''''''''''''''
' Ensure we don't try to write past the last column
' of the worksheet. If we reach the last column,
' exit out of the For loop.
'''''''''''''''''''''''''''''''''''''''''''''''''''''
If Colndx + C_START_COLUMN <= WS.Columns.Count Then
WS.Cells(RowNdx, Colndx + C_START_COLUMN).Value = Arr(Colndx)
Else
TruncatedCount = TruncatedCount + 1
Exit For
End If
Next Colndx
End If ' SplitChar = vbNullString


'''''''''''''''''''''''''''''''''''''''
' Increment the RowNdx index variable.
' If it is greater than either of the following:
' Rows.Count
' LastRowForInput
' or if RowsThisSheet is > MaxRowsPerSheet
' then create and name a new worksheet and
' reset the RowNdx index variable to
' C_START_ROW_LATER_PAGES.
''''''''''''''''''''''''''''''''''''''''
RowNdx = RowNdx + 1
If (RowNdx > Rows.Count) Or (RowNdx > LastRowForInput) Or (RowsThisSheet > MaxRowsPerSheet) Then
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' We're past the end of the worksheet or past the row
' specified in LastRowForInput or the rows used on this
' worksheet is greater than MaxRowsPerSheet.
'
' Increment the SheetNumber index and either create a
' new sheet (if C_TEMPLATE_SHEET_NAME is vbNullString) or
' copy the C_TEMPLATE_SHEET_NAME worksheet
' immediately after the current sheet, and name it
' C_SHEET_NAME_PREFIX & Format(SheetNumber, "0")
' Reset the RowNdx value to C_START_ROW_LATER_PAGE
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''
SheetNumber = SheetNumber + 1
If C_TEMPLATE_SHEET_NAME = vbNullString Then
Set WS = ActiveWorkbook.Worksheets.Add(after:=WS)
Else
ActiveWorkbook.Worksheets(C_TEMPLATE_SHEET_NAME).Copy after:=WS
Set WS = ActiveWorkbook.ActiveSheet
End If
On Error Resume Next
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' ignore the error that might arise if there is already a
' sheet named
' C_SHEET_NAME_PREFIX & Format(SheetNumber, "0")
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
WS.Name = C_SHEET_NAME_PREFIX & Format(SheetNumber, "0")
On Error GoTo 0

'''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' Reset out counters.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''
RowNdx = C_START_ROW_LATER_PAGES
RowsThisSheet = 0
End If
''''''''''''''''''''''''''''''''''''''''''''''
' end of Read loop
''''''''''''''''''''''''''''''''''''''''''''''
Loop

''''''''''''''''''''''''''''''''''''''''''''''
' Close the input file and restore the saved
' application settings.
''''''''''''''''''''''''''''''''''''''''''''''

Close FNum
Application.Calculation = SaveCalc
Application.ScreenUpdating = SaveScreenUpdating
Application.DisplayAlerts = SaveDisplayAlerts
Application.EnableEvents = SaveEnableEvents
Application.StatusBar = False

''''''''''''''''''''''''''''''''''''''''''''''
' MsgBox to the user indicating we're done.
''''''''''''''''''''''''''''''''''''''''''''''
MsgBox "Import operation from file '" & FName & "' complete." & vbCrLf & _
"Records Imported: " & Format(InputCounter, "#,##0") & vbCrLf & _
"Records Truncated: " & Format(TruncatedCount, "#,##0"), _
vbOKOnly, "Import Text File"

''''''''''''''''''''''
' END OF PROCEDURE
''''''''''''''''''''''
End Sub



Private Function IsFileOpen(FileName As String) As Boolean
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' IsFileOpen
' This function determines whether a file is open by any program. Returns TRUE or FALSE.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Dim FileNum As Integer
Dim ErrNum As Long

Const C_ERR_NO_ERROR = 0&
Const C_ERR_PERMISSION_DENIED = 70&

On Error Resume Next

''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' If we were passed in an empty string, there is no file to test so return False.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
If FileName = vbNullString Then
IsFileOpen = False
Exit Function
End If

''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' If the file doesn't exist, it certainly isn't open. This test will also
' take care of the case of a syntactically invalid file name. A syntactically
' invalid file name will raise an error 52, but Dir will return vbNullString.
' It is up to the calling procedure to ensure that the filename is syntactically
' valid.
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
On Error Resume Next
If Dir(FileName, vbNormal + vbArchive + vbSystem + vbHidden) = vbNullString Then
IsFileOpen = False
Exit Function
End If

FileNum = FreeFile() ' Get a free file number.
''''''''''''''''''''''''''''''''''''''''''''
' Attempt to open the file and lock it.
''''''''''''''''''''''''''''''''''''''''''''
Err.Clear
Open FileName For Input Lock Read As #FileNum
''''''''''''''''''''''''''''''''''''''''''''
' Save the error number, since it will get
' reset by the Close operation.
''''''''''''''''''''''''''''''''''''''''''''
ErrNum = Err.Number
Close FileNum
''''''''''''''''''''''''''''''''''''
' Check to see which error occurred.
''''''''''''''''''''''''''''''''''''
Select Case ErrNum
Case C_ERR_NO_ERROR
'''''''''''''''''''''''''''''''''
' No error. The file is not open.
'''''''''''''''''''''''''''''''''
IsFileOpen = False

Case C_ERR_PERMISSION_DENIED
'''''''''''''''''''''''''''''''''
' Permission denied. The file is
' open.
'''''''''''''''''''''''''''''''''
IsFileOpen = True

Case Else
'''''''''''''''''''''''''''''''''
' We should never get here, but
' if we do, return True to be safe.
'''''''''''''''''''''''''''''''''
IsFileOpen = True

End Select

End Function


unction ConvertFileLF(InFileName As String, OutFileName As String) As Boolean
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' Converting vbLf Characters To vbCr Characters
'The input and output procedures in the ImportBigTextFile procedure require that lines be separated by vbCr or vbCrLf (ASCII 13) characters. If your file uses vbLf characters (ASCII 10), as is often the case with file created on non-Windows platforms, you will need to convert the vbLf characters to vbCr characters. The code below will convert the line break characters.
' ConvertFileLF
' This function converts vbLf characters in InFileName to vbCr characters, with
' the revised file saved as OutFileName. The file named by InFileName is not
' modified. The function return True if successful or False if unsuccessful.
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Dim FNum As Integer
Dim S As String
Dim L As Long
''''''''''''''''''''''''''''
' Ensure InFileName exists.
''''''''''''''''''''''''''''
If Dir(InFileName) = vbNullString Then
ConvertFileLF = False
Exit Function
End If

L = FileLen(InFileName)
FNum = FreeFile

Open InFileName For Input Access Read As #FNum
''''''''''''''''''''''''''''''''''''''''''''''''
' Read the entire file to the S string variables.
''''''''''''''''''''''''''''''''''''''''''''''''
S = Input(L, #FNum)

Close #FNum
''''''''''''''''''''''''''''''''''''''''''''''''
' Convert vbLf to vbCr
''''''''''''''''''''''''''''''''''''''''''''''''
S = Replace(S, vbLf, vbCr)

FNum = FreeFile
Open OutFileName For Output Access Write As #FNum
''''''''''''''''''''''''''''''''''''''''''''''''
' Write to new output file.
''''''''''''''''''''''''''''''''''''''''''''''''
Write #FNum, S
Close #FNum
ConvertFileLF = True
End Function
 

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