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08.25.2008 at 12:13PM PDT, ID: 23676289
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8.6

PC slooooow to read CSV files - others lightning quick...

Asked by nike_golf in Microsoft Excel Spreadsheet Software

I've got a macro that opens and reads a .CSV file from the network and it works great and without flaw on multiple computers, however on some the following loop routine is sloooooow.... on some machines it takes seconds on others 30 minutes plus...

This doesn't mean I want to revamp the loop routine - it works great on SOME PC's, it's just where the slowness is on the machines that are having problems. I think it has to do with some type of file compatibility issue and that is what I need help with, trying to figure out how to find it.

I've tried without success to copy the CSV file locally, removing the network as a cause. These are also windows XP machines with plenty of RAM, etc. running Excel 2003.

So, here are my questions:

- Are there certain drivers associated with Excel when reading a CSV file that might impact or create this slowness, versioning issues, etc.?

- Is there some software available that will allow me to print off system files so that I can compare machines?


Thanks for any help you can give.

NG,

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Public Sub Import_Data()
Dim fname As String
Dim j, k As Integer
Dim DataArr() As Variant
Dim Unit, JID, JDate, Line, Acct, Dept, Amount, Desc As String
 
On Error GoTo errhandler:
 
fname = Application.GetOpenFilename(filefilter:="Comma Delim (*.csv),*.csv,", FilterIndex:=3, Title:=Title)
 
If fname = "" Or fname = "False" Then
    msgbox "No file was selected."
    Exit Sub
End If
 
Sheets("Data").UsedRange.Clear
Application.ScreenUpdating = False
F = FreeFile()
i = -1
 
Open fname For Input As #k
    Do Until EOF(F)
        Input #k, Unit, JID, JDate, Line, Acct, Dept, Amount, Desc
        If i <> -1 Then
            ReDim Preserve DataArr(i)
            DataArr(i) = Unit & "," & JID & "," & JDate & "," & Line & "," & Acct & "," & Dept & "," & Amount & "," & Desc
        End If
        i = i + 1
skipline:
    Application.StatusBar = "records read - " & i
    j = i
    Loop
Close #k
 
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Title
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6 Convert Access Project To CSV
 
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[+][-]08.25.2008 at 01:11PM PDT, ID: 22308805

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[+][-]08.27.2008 at 04:22AM PDT, ID: 22323363

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[+][-]08.27.2008 at 05:03AM PDT, ID: 22323673

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[+][-]09.06.2008 at 05:59AM PDT, ID: 22407288

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[+][-]09.23.2008 at 04:53AM PDT, ID: 22548265

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About this solution

Zone: Microsoft Excel Spreadsheet Software
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Solution Provided By: nike_golf
Participating Experts: 1
Solution Grade: A
 
 
[+][-]09.23.2008 at 05:13AM PDT, ID: 22548380

At Experts Exchange, members can ask their questions to thousands of technology professionals, also known as Experts. Experts compete and collaborate to answer those questions by leaving comments like this one.

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