Solved

Get all filenames in a directory

Posted on 2002-03-19
21
221 Views
Last Modified: 2010-04-05
Hi...
  Let's say I have a directory and path name stored in a string variable. How can I get *all* the file names that are in that specific directory?

Thanks
   Shawn
0
Comment
Question by:aztec
  • 5
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  • +5
21 Comments
 
LVL 6

Expert Comment

by:DrDelphi
ID: 6881654
Try this:

Function GetAllfileNames(dir:string):Tstrings;
var list:TstringList;
    srch:TSearchRec;
begin
    if FindFirst(dir+'\*.*',faanyfile,srch)=0 then
    begin
     List:=TStringList.create;
     List.Add(srch.Name);
    end;
    While FindNext(srch)=0 do
    begin
       List.add(srch.name);
    end;
   result:=List;


end;


procedure TForm1.Button1Click(Sender: TObject);
begin
  Listbox1.items:=GetAllFilenames('C:\Winnt');
end;


Good luck!!


0
 
LVL 6

Accepted Solution

by:
Stuart_Johnson earned 0 total points
ID: 6881657
Hi Aztec,

Here is the simplest way I know of:

procedure GetFilesInDirectory(Path: String; var FileList: TStringList);
var
  SR: TSearchRec;
  I: Integer;
begin
  FileList.Clear;
  Path := IncludeTrailingBackslash(Path);
  I := FindFirst(Path + '*.*', faAnyFile, SR);
  while I = 0 do
    begin
      FileList.Add(Path + SR.Name);
      I := FindNext(SR);
    end; {while I = 0}
  FindClose(SR);
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  FileList: TStringList;
begin
  FileList := TStringList.Create;
  try
    GetFilesInDirectory('C:\', FileList);
    ShowMEssage(FileList.Text);
  finally
    FileList.Free;
  end;
end;

Hope this helps,

Stu
0
 
LVL 6

Expert Comment

by:Stuart_Johnson
ID: 6881658
DAMN!  Sorry guys, I didn't mean to post that as an answer!  It was supposed to be a comment.

My appologies.

Jeeze you have to be quick tho!

Cheers,

Stu
0
 
LVL 3

Expert Comment

by:SteveWaite
ID: 6883172
// something like this?
var FileInfo: TSearchrec;

FindFirst(FromDirectory + '\*.*', faAnyFile, FileInfo);
if FileInfo.Name <> '' then
repeat
  if ((FileInfo.Name[1] <> '.') and (not (FileInfo.Attr and faDirectory > 0)))
    then Addtostringlistorsomething;
until FindNext(FileInfo) <> 0;
FindClose(FileInfo);

Note there are two files '.' and '..' as well in a directory

Similarly ((FileInfo.Name[1] <> '.') and (FileInfo.Attr and faDirectory > 0)) = sub directories

Regards,
Steve

0
 
LVL 1

Expert Comment

by:rfedyk
ID: 6892063
I know that we all like to flex the TSearchRec methods but Windows does it all for you. Create a temporary instance of a TFileListBox, set the Directory property and WHAMMO, Windows delivers all the file names. As a matter of fact, using a TOutlineDirectory, TDirectoryListbox and TFileListbox you can build your own Windows Explorer in a few lines of code.

Roger
0
 
LVL 1

Expert Comment

by:shyampaliyath
ID: 6896135
searchfile: TSearchRec;
filename,src:string;

src:='C:\';

 result:=FindFirst(src+'*.*',$0000003F,searchfile);// This search for first file in the directory stored in the variable 'src' and returns zero if successful.
   {faReadOnly     $00000001     Read-only files
   faHidden     $00000002     Hidden files
   faSysFile     $00000004     System files
   faVolumeID     $00000008     Volume ID files
   faDirectory     $00000010     Directory files
   faArchive     $00000020     Archive files
   faAnyFile     $0000003F     Any file}
   if result=0 then
   begin
        filename:=searchfile.Name;//Searchfile is an object of the TSearchRec which stores the  list filename from the specified directory.
     showmessage(filename);
           result:=findnext(searchfile);// This searches for the next file if present.
        while result=0 do
        begin
          showmessage(filename);
                result:=findnext(searchfile);// This searches for the next file if present.
             filename:=searchfile.Name;
       end;
   end;
0
 
LVL 1

Expert Comment

by:MBo
ID: 6897622
procedure TForm1.Button1Click(Sender: TObject);
var APath:PChar;
begin
APath:='e:\*.*';
ListBox1.Perform(LB_DIR,DDL_READWRITE,Integer(APath));
end;
See another DDL_* values in LB_DIR description
0
 
LVL 6

Expert Comment

by:Stuart_Johnson
ID: 6897722
Aztec,

Some feedback would be appreciated.  Please let us know what you're doing before the autograder kicks in.  This question is now eight days old - more than enough time for you to asses whether or not the proposed solutions meet your requirements.

I mentioned previously that I answered this question by mistake.  It is not fair to leave this question locked as other experts won't be able to post a better solution.  If you are happy with my answer, then please accept it, other wise reject the answer so other experts can have a crack at it.

Stuart.
0
 
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Expert Comment

by:Moondancer
ID: 6939339
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Author Comment

by:aztec
ID: 6943125
I chose Dr. Delphi's suggestion...
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LVL 6

Expert Comment

by:Stuart_Johnson
ID: 6943315
aztec,

I'm at a loss.  Firstly, you said you wanted to chose Dr Delphi's suggestion, but you award me the points.  Secondly, Dr Delphi's suggestion and mine are almost identical, so why do you want to award him the points.  And finally, why did you only give this a B grade?  The answer did exactly what you wanted.  I don't care about the points, but I do like having a good answer history.  Can you tell me why my answer wasn't considered to be perfect for what you wanted?

Stu
0
 

Author Comment

by:aztec
ID: 6943458
I wanted to award Dr. Delphi the points, but you had posted a yellow "Proposed Answer", thus there was no "accept as answer" button on Dr. Delphi's, so I just picked yours.

I just needed to finalize this question as it had been lingering for some time....sorry
0
 
LVL 1

Expert Comment

by:Moondancer
ID: 6945806
I will correct this for you, aztec, by posting points for DrDelphi.  BUT please tell us why you chose a "B" versus an "A" so we can all understand this a bit better.  Did you find a better solution elsewhere, or was this grade just one of those things?

Thanks,
Moondancer - EE Moderator
0
 
LVL 1

Expert Comment

by:Moondancer
ID: 6945810
Listening further for response and in the meantime, this for DrDelphi -> qid=20290167
0
 

Author Comment

by:aztec
ID: 6945819
nope, I used Dr.Delphi's solution to the letter.... I guess I chose a B for Stuart cause he forced my hand with the "Proposed Answer" thing.

Dr.Delphi's answer was perfect - you can give him an "A" !

Thanks
   Shawn
0
 
LVL 6

Expert Comment

by:DrDelphi
ID: 6945981
*Bows to aztec*

Thanks!!
0
 
LVL 1

Expert Comment

by:Moondancer
ID: 6946118
Thank you, this has been done -< qid=20290167 >-.

Any time you find that someone has moved your question to the Locked queue with a proposed answer and it does not serve your needs, please reject it and add comments.  This eliminates these types of problems and confusions.

Thank you,
Moondancer - EE Moderator
0
 

Author Comment

by:aztec
ID: 6946349
ok, thanks
0
 
LVL 6

Expert Comment

by:Stuart_Johnson
ID: 6946486
Aztec,

I said when I first posted the "answer" that it was a mistake - "DAMN!  Sorry guys, I didn't mean to post that as an answer!  It was supposed to be a comment."  You have a reject answer button.  Why not just use it and award the points to DrDelphi.  Accepting the answer and awarding someone a B or C grade just because they "tied your hands" is just a load of rubbish.

Moondancer,

I didn't realise at the time of my last comment that DrDelphi had infact posted his suggestion before mine.  This means that he should be awarded the points for this question, not me.  I didn't mean to post my comment as an answer (as I've mentioned).  Is there anyway that this question can be have DrDelphi as supplying the correct answer and awarding him the points from this instead of me getting the credit for it?  

DrDelphi,

I really do appologise for stuffing you around like this.  It was certainly unintentional.  Hopefully Moondancer will be able to change this so you're the accepted answerer.

Cheers folks,

Stu.
0
 
LVL 1

Expert Comment

by:Moondancer
ID: 6946613
Hi, Stu.  All is well and resolved.  No problems at all.

I posted a separate question to fix this, and DrDelphi has received them.

:) Moondancer - EE Moderator
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LVL 6

Expert Comment

by:DrDelphi
ID: 6947790
Stu,
  No problem...never was. Happy coding!!

-DrDelphi
 
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