DirMerge is a Windows tool that can be used to copy one folder to another with a number of extra options that you don’t have in Windows explorer or in most other programs that can copy files.
Features include:
- Copies directories with or without entire subdirectory structure
- Optional source file deletion after copying (only if it was copied OR even if the file was skipped)
- Overwrites file never, always OR only if a file is (that much) larger, smaller, older or newer than the existing file.
- Or just ask the user what to do when a file already exists.
I’ve published this under the GPL license.
Download the executable: DirMerge.exe (for Windows 95/98/2000/XP/Vista)
And view the source code here:
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unit DirMergeMainForm; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, Buttons, FileCtrl, ExtCtrls, ComCtrls, IniFiles, DateUtils; type TfrmDirMerge = class(TForm) GroupBox1: TGroupBox; edSource: TEdit; edTarget: TEdit; btnSource: TSpeedButton; btnTarget: TSpeedButton; StaticText1: TStaticText; StaticText2: TStaticText; btnStart: TSpeedButton; rgOverwrite: TRadioGroup; cbCondition: TComboBox; edAtLeast: TEdit; cbSize: TComboBox; cbTime: TComboBox; StaticText3: TStaticText; edFilter: TEdit; cbSubdirs: TCheckBox; ProgressBar1: TProgressBar; RichEdit1: TRichEdit; rgDelete: TRadioGroup; procedure FormDestroy(Sender: TObject); procedure FormCreate(Sender: TObject); procedure btnStartClick(Sender: TObject); procedure cbConditionSelect(Sender: TObject); procedure btnTargetClick(Sender: TObject); procedure btnSourceClick(Sender: TObject); private function CopyFiles(const sourcePath, targetPath, filter: String; IncludeSubDir:boolean; atLeast:Integer): boolean; function CopyWithProgress(sSource, sDest: string): Boolean; procedure ColorLastLine(AColor: TColor); procedure AddLineWithColor(aText:String; AColor: TColor); procedure AppendWithColor(aText:String; AColor: TColor); public { Public declarations } end; var frmDirMerge: TfrmDirMerge; FCancelled: boolean; implementation {$R *.dfm} procedure TfrmDirMerge.btnSourceClick(Sender: TObject); var dir : string; begin dir := edSource.Text; if SelectDirectory('Select source directory', '', dir) then edSource.Text := dir; end; function CopyFileWithProgressBar2(TotalFileSize, TotalBytesTransferred, StreamSize, StreamBytesTransferred: LARGE_INTEGER; dwStreamNumber, dwCallbackReason: DWORD; hSourceFile, hDestinationFile: THandle; lpData: Pointer): DWORD; stdcall; begin // just set size at the beginning if dwCallbackReason = CALLBACK_STREAM_SWITCH then TProgressBar(lpData).Max := TotalFileSize.QuadPart; TProgressBar(lpData).Position := TotalBytesTransferred.QuadPart; Application.ProcessMessages; Result := PROGRESS_CONTINUE; end; procedure TfrmDirMerge.ColorLastLine(AColor: TColor); begin with RichEdit1 do begin SelStart := SendMessage(Handle, EM_LINEINDEX, Lines.Count - 1, 0); SelLength := Length(Lines[Lines.Count - 1]); SelAttributes.Color := AColor; SelLength := 0; end; end; procedure TfrmDirMerge.AddLineWithColor(aText:String; AColor: TColor); begin RichEdit1.Lines.Append(aText); ColorLastLine(AColor); end; procedure TfrmDirMerge.AppendWithColor(aText:String; AColor: TColor); begin with RichEdit1 do begin Lines[Lines.Count-1] := Lines[Lines.Count-1]+aText; ColorLastLine(AColor); end; end; function TfrmDirMerge.CopyWithProgress(sSource, sDest: string): Boolean; begin // set this FCancelled to true, if you want to cancel the copy operation FCancelled := False; Result := CopyFileEx(PChar(sSource), PChar(sDest), @CopyFileWithProgressBar2, ProgressBar1, @FCancelled, 0); end; procedure TfrmDirMerge.FormCreate(Sender: TObject); begin with TIniFile.Create(ExtractFilePath(Application.ExeName)+'DirMerge.ini') do begin edSource.Text := ReadString('LastSettings','SourceDir', ''); edFilter.Text := ReadString('LastSettings','Filter', '*.*'); cbSubdirs.Checked := ReadBool('LastSettings','Subdirs', False); edTarget.Text := ReadString('LastSettings','TargetDir',''); rgDelete.ItemIndex := ReadInteger('LastSettings','DeleteOption', 0); rgOverwrite.ItemIndex := ReadInteger('LastSettings','OverwriteOption', 3); cbCondition.ItemIndex := ReadInteger('LastSettings','ConditionOption', 0); edAtLeast.Text:= ReadString('LastSettings','AtLeast', '0'); cbSize.ItemIndex := ReadInteger('LastSettings','SizeOption', 0); cbTime.ItemIndex := ReadInteger('LastSettings','TimeOption', 0); Free; end; end; procedure TfrmDirMerge.FormDestroy(Sender: TObject); begin with TIniFile.Create(ExtractFilePath(Application.ExeName)+'DirMerge.ini') do begin WriteString('LastSettings','SourceDir', edSource.Text); WriteString('LastSettings','Filter', edFilter.Text); WriteBool('LastSettings','Subdirs', cbSubdirs.Checked); WriteString('LastSettings','TargetDir', edTarget.Text); WriteInteger('LastSettings','DeleteOption', rgDelete.ItemIndex); WriteInteger('LastSettings','OverwriteOption', rgOverwrite.ItemIndex); WriteInteger('LastSettings','ConditionOption', cbCondition.ItemIndex); WriteString('LastSettings','AtLeast', edAtLeast.Text); WriteInteger('LastSettings','SizeOption', cbSize.ItemIndex); WriteInteger('LastSettings','TimeOption', cbTime.ItemIndex); Free; end; end; function TfrmDirMerge.CopyFiles(const sourcePath, targetPath, filter: String; IncludeSubDir:boolean; atLeast:Integer): boolean; var searchResult, targetResult : TSearchRec; overwrite, delete, yesToAll, noToAll: Boolean; choiceResult: integer; timeDif: double; sourceDate, targetDate: TDateTime; sn, tn: String; begin yesToAll := false; noToAll := false; if not DirectoryExists(targetPath) then CreateDir(targetPath); if not DirectoryExists(targetPath) then begin AddLineWithColor('Could not create directory '+targetPath, clRed); Result := false; exit; end; if FindFirst(sourcePath+'\'+filter, faAnyFile-faDirectory, searchResult) = 0 then begin repeat sn := sourcePath+'\'+searchResult.Name; tn := targetPath+'\'+searchResult.Name; overwrite := true; delete := true; if FindFirst(tn, faAnyFile-faDirectory, targetResult) = 0 then begin sourceDate :=FileDateToDateTime(searchResult.Time); targetDate :=FileDateToDateTime(targetResult.Time); //File exists -> overwrite? case rgOverwrite.ItemIndex of 0: ; // overwrite = true 1: begin case cbCondition.ItemIndex of 0: if searchResult.Size+atleast>targetResult.Size then overwrite := false; 1: if searchResult.Size-atleast<targetResult.Size then overwrite := false; 2,3: begin case cbTime.ItemIndex of 0: timeDif := SecondSpan(sourceDate,targetDate); 1: timeDif := MinuteSpan(sourceDate,targetDate); 2: timeDif := HourSpan(sourceDate,targetDate); 3: timeDif := DaySpan(sourceDate,targetDate); 4: timeDif := MonthSpan(sourceDate,targetDate); 5: timeDif := WeekSpan(sourceDate,targetDate); 6: timeDif := YearSpan(sourceDate,targetDate); end; if ((cbTime.ItemIndex=2) and (timeDif<atLeast)) or ((cbTime.ItemIndex=3) and (timeDif>atLeast)) then overwrite := false; end; end; end; 2: overwrite := false; 3: begin if not (noToAll or yesToAll) then begin choiceResult := MessageDlgPos( 'Do you want to overwrite '#13#13' '+tn+#13+ ' '+IntToStr(targetResult.Size)+' bytes'#13+ ' Last modified '+DateToStr(targetDate)+#13+ #13+' with '+#13#13' '+sn+#13+ ' '+IntToStr(searchResult.Size)+' bytes'#13+ ' Last modified '+DateToStr(sourceDate), mtConfirmation, mbYesAllNoAllCancel, 0, 20, 100); if choiceResult = mrYesToAll then yesToAll := true else if choiceResult = mrNoToAll then noToAll := true else if choiceResult = mrCancel then begin addLineWithColor('Canceled',clRed); result := true; exit; end; end; if noToAll then choiceResult := mrNo; if yesToAll then choiceResult := mrYes; if choiceResult = mrNo then overwrite := false; end; //ask end; FindClose(targetResult); if overwrite then begin AddLineWithColor('Overwriting '+sn+'...', clBlue); if CopyWithProgress(sn, tn) then AppendWithColor('done',clBlue) else begin //if failed, we don't want to delete the source in any case AppendWithColor('failed',clRed); delete := false; end; end else begin AddLineWithColor('Skipped '+sn, clBlack); end; end else begin //File doesn't exists in target -> regular copy AddLineWithColor('Copying '+sn+'...',clGreen); if CopyWithProgress(sn, tn) then AppendWithColor('done',clGreen) else begin //if failed, we don't want to delete the source in any case AppendWithColor('failed',clRed); delete := false; end; end; //If selected, delete the source file if delete and (((rgDelete.ItemIndex=1) and overwrite) or (rgDelete.ItemIndex=2)) then if DeleteFile(sn) then AppendWithColor('Deleted '+sn, clPurple) else AppendWithColor('Failed deleting '+sn, clRed); until FindNext(searchResult) <> 0; FindClose(searchResult); end else showMessage('No files found ('+sourcePath+'\'+filter+')'); if not IncludeSubDir then begin Result := true; Exit; end; if FindFirst(SourcePath+'\'+filter, faDirectory, searchResult) = 0 then begin repeat if (SearchResult.Name <> '.') and (SearchResult.Name <> '..') then begin if not CopyFiles (SourcePath + '\' + SearchResult.Name, TargetPath + '\' + SearchResult.Name, Filter, TRUE, atLeast) then begin Result := false; FindClose(searchResult); Exit; end; end; until FindNext(searchResult) <> 0; FindClose(searchResult); end; Result := True; end; procedure TfrmDirMerge.btnStartClick(Sender: TObject); var sourcepath, targetpath: String; atLeast: Integer; begin atLeast:=0; //Determine the at least value (only if option 1 is selected) if rgOverwrite.ItemIndex=1 then begin try atLeast := StrToInt(edAtLeast.Text); except on EConvertError do begin showMessage('Invalid value in the ''at least'' box'); exit; end; end; case cbCondition.ItemIndex of 0,1: case cbSize.ItemIndex of 1: atLeast := atLeast*1024; //kB 2: atLeast := atLeast*1024*1024; //MB 3: atLeast := atLeast*1024*1024*1024 //GB end; end; end; sourcePath := edSource.Text; if Copy(sourcePath,Length(sourcePath),1)='\' then sourcePath := Copy(sourcePath,1,Length(sourcePath)-1); targetPath := edTarget.Text; if Copy(targetPath,Length(targetPath),1)='\' then targetPath := Copy(targetPath,1,Length(targetPath)-1); if UpperCase(sourcePath)=UpperCase(targetPath) then begin AddLineWithColor('Directories are the same', clRed); exit; end; if CopyFiles(sourcePath, targetPath, edFilter.Text, cbSubdirs.Checked, atLeast) then AddLineWithColor('Finished', clGreen) else AddLineWithColor('Finished - with errors', clRed); end; procedure TfrmDirMerge.btnTargetClick(Sender: TObject); var dir : string; begin dir := edTarget.Text; if SelectDirectory('Select target directory', '', dir) then edTarget.Text := dir; end; procedure TfrmDirMerge.cbConditionSelect(Sender: TObject); begin if (cbCondition.ItemIndex=0) or (cbCondition.ItemIndex=1) then begin cbSize.Visible := true; cbTime.Visible := false; end else begin cbSize.Visible := false; cbTime.Visible := true; end; end; end. |
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object frmDirMerge: TfrmDirMerge Left = 0 Top = 0 Caption = 'DirMerge (Beta) by Bart Groot' ClientHeight = 494 ClientWidth = 529 Color = clBtnFace Font.Charset = DEFAULT_CHARSET Font.Color = clWindowText Font.Height = -11 Font.Name = 'Tahoma' Font.Style = [] OldCreateOrder = False OnCreate = FormCreate OnDestroy = FormDestroy PixelsPerInch = 96 TextHeight = 13 object GroupBox1: TGroupBox AlignWithMargins = True Left = 5 Top = 5 Width = 519 Height = 289 Margins.Left = 5 Margins.Top = 5 Margins.Right = 5 Margins.Bottom = 5 Align = alTop Constraints.MinHeight = 289 Constraints.MinWidth = 519 TabOrder = 0 DesignSize = ( 519 289) object btnSource: TSpeedButton Left = 239 Top = 15 Width = 23 Height = 22 Caption = '...' OnClick = btnSourceClick end object btnTarget: TSpeedButton Left = 240 Top = 80 Width = 23 Height = 22 Caption = '...' OnClick = btnTargetClick end object btnStart: TSpeedButton Left = 430 Top = 229 Width = 78 Height = 42 Caption = '&Start copying' OnClick = btnStartClick end object edSource: TEdit Left = 72 Top = 16 Width = 161 Height = 21 TabOrder = 0 end object edTarget: TEdit Left = 73 Top = 80 Width = 161 Height = 21 TabOrder = 3 end object StaticText1: TStaticText Left = 10 Top = 20 Width = 56 Height = 17 Caption = 'Source dir:' TabOrder = 10 end object StaticText2: TStaticText Left = 11 Top = 84 Width = 55 Height = 17 Caption = 'Target dir:' TabOrder = 11 end object rgOverwrite: TRadioGroup Left = 11 Top = 118 Width = 497 Height = 105 Caption = 'If a file already exists in the target dir with the same name as' + ' a source file, then' ItemIndex = 3 Items.Strings = ( 'Always overwrite' 'Only overwrite if source file is than ta' + 'rget file by at least' 'Never overwrite' 'Ask me what to do') TabOrder = 5 end object cbCondition: TComboBox Left = 184 Top = 153 Width = 63 Height = 21 Style = csDropDownList ItemHeight = 13 ItemIndex = 0 TabOrder = 6 Text = 'larger' OnSelect = cbConditionSelect Items.Strings = ( 'larger' 'smaller' 'newer' 'older') end object edAtLeast: TEdit Left = 384 Top = 153 Width = 42 Height = 21 TabOrder = 7 Text = '0' end object cbTime: TComboBox Left = 432 Top = 153 Width = 63 Height = 21 Style = csDropDownList ItemHeight = 13 ItemIndex = 0 TabOrder = 9 Text = 'seconds' Items.Strings = ( 'seconds' 'minutes' 'hours' 'days' 'weeks' 'months' 'years') end object cbSize: TComboBox Left = 432 Top = 153 Width = 63 Height = 21 Style = csDropDownList ItemHeight = 13 ItemIndex = 0 TabOrder = 8 Text = 'bytes' Items.Strings = ( 'bytes' 'KBytes' 'MBytes' 'GBytes') end object StaticText3: TStaticText Left = 17 Top = 47 Width = 49 Height = 17 Caption = 'File filter:' TabOrder = 12 end object edFilter: TEdit Left = 72 Top = 43 Width = 64 Height = 21 Anchors = [akLeft, akTop, akRight] TabOrder = 1 Text = '*.*' end object cbSubdirs: TCheckBox Left = 142 Top = 45 Width = 147 Height = 17 Caption = 'Include subdirectories' TabOrder = 2 end object ProgressBar1: TProgressBar Left = 19 Top = 248 Width = 405 Height = 23 TabOrder = 13 end object rgDelete: TRadioGroup Left = 280 Top = 15 Width = 228 Height = 87 Caption = 'When done with source file' ItemIndex = 0 Items.Strings = ( 'Do nothing (regular copy)' 'Delete it if it was copied' 'Delete it') TabOrder = 4 end end object RichEdit1: TRichEdit Left = 0 Top = 299 Width = 529 Height = 195 Align = alClient ReadOnly = True ScrollBars = ssBoth TabOrder = 1 end end |