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6.2

can't open in use file even for reading

Asked by hibbidiji in Delphi Programming

Tags: file, open

I'm using the following function to mimic the tail command in unix.   It needs to open a file and read from it.  As you can see I'm only opening it in readonly mode but I still get the error that I cannot access the file.   Can anyone suggest an alternate method to accomplish this task?  

function tform1.Tail(FileName:string; Position:Integer):string;
var
  S: TStream;
  C: Char;
  L: Integer;
begin
  S := TFileStream.Create(FileName, fmOpenRead ,fmShareDenyNone);
  try
    S.Seek(Position, soBeginning);
    L := S.Size-Position;
    SetLength(Result, L);
    S.Read(Result[1], L);
  finally
    S.Free;
  end;
end;


Thanks!
[+][-]11/29/06 09:22 AM, ID: 18038651Accepted Solution

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About this solution

Zone: Delphi Programming
Tags: file, open
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Solution Provided By: kretzschmar
Participating Experts: 1
Solution Grade: A
 
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