How to Create A Text File In Delphi?

Best Text File Creation Tools in Delphi to Buy in October 2025

1

REXBETI 25Pcs Metal File Set, Premium Grade T12 Drop Forged Alloy Steel, Flat/Triangle/Half-round/Round Large File and 12pcs Needle Files with Carry Case, 6pcs Sandpaper, Brush, A Pair Working Gloves

• DURABLE T12 DROP FORGED ALLOY STEEL ENSURES LONG-LASTING PERFORMANCE.
• COMPLETE 25-PIECE SET FOR VERSATILE WOODWORKING AND PRECISION TASKS.
• COMPACT CARRY CASE KEEPS TOOLS ORGANIZED AND EASY TO TRANSPORT.

BUY & SAVE

$25.99

2

Hurricane 21 PCS Interchangeable Metal File Set,8 inch File Tool Set Include Flat/Triangle/Half-Round/Round Large Files & 12 Needle Files with Universal Quick Change Handles and Carrying Bag

• 21-PIECE FLEXIBILITY: VERSATILE SET FOR ALL FILING NEEDS, PROFESSIONAL OR DIY.

• ERGONOMIC COMFORT: QUICK-CHANGE HANDLE REDUCES FATIGUE; LIGHTWEIGHT, EASY TO USE.

• DURABLE PRECISION: HIGH-GRADE STEEL ENSURES LONG-LASTING PERFORMANCE FOR PROS.

BUY & SAVE

$13.99 $23.99

Save 42%

3

Tsubosan Hand tool Workmanship file set of 5 ST-06 from Japan

• PRECISION-ENGINEERED FOR EFFORTLESS, SMOOTH FILING TASKS.
• ERGONOMIC DESIGN FOR COMFORTABLE, PROLONGED USE.
• DURABLE MATERIALS ENSURE LONG-LASTING PERFORMANCE AND RELIABILITY.

BUY & SAVE

$28.00 $30.00

Save 7%

4

CRAFTSMAN Needle File Set, 6 Piece (CMHT82529)

• ACHIEVE PRECISION WITH NEEDLE FILES FOR DETAILED PROJECTS.
• ENJOY COMFORTABLE HANDLING WITH SURE-GRIP RUBBER HANDLES.
• EFFORTLESSLY REMOVE MATERIAL WITH A SMOOTH FILING PATTERN.

BUY & SAVE

$13.50

5

Devvicoo 17 PCS Metal File Set Upgraded Hemicycle, Angle, Round, Flat & Needle Files for Plastic, Wood, Metal Projects - Alloy Steel Hand Tools with Storage Case

• DURABLE T12 STEEL FILES DESIGNED FOR LONG-LASTING PERFORMANCE.
• COMPLETE KIT WITH 16 FILES FOR VERSATILE PROJECT APPLICATIONS.
• ERGONOMIC GRIPS ENSURE COMFORT AND CONTROL FOR EXTENDED USE.

BUY & SAVE

$14.99 $15.99

Save 6%

6

Small Hand Files Set for Detail and Precise Work, Hardened Alloy Strength Steel File Tools Includes Square,Equaling,Round,Flat Warding,Triangle

• DURABLE CARBON STEEL ENSURES LONG-LASTING CUTTING PERFORMANCE.
• ERGONOMIC RUBBER HANDLE PROVIDES COMFORT FOR EXTENDED USE.
• VERSATILE FOR SHAPING WOOD, METAL, GLASS, AND MORE WITH PRECISION.

BUY & SAVE

$3.99

7

Nicholson 5 Pc 6", 8"& 10" General Purpose File Set - 22040NNN, Multi, One Size

• VERSATILE SET: 5 FILES FOR BOTH HOME AND PROFESSIONAL PROJECTS.
• AGGRESSIVE MATERIAL REMOVAL WITH BASTARD-CUT FILES FOR QUICK RESULTS.
• PRECISION WORK MADE EASY WITH SLIM TAPER FILES; INCLUDES STORAGE POUCH!

BUY & SAVE

$39.99

8

General Tools 707475 Swiss Pattern Needle File Set, 12-Piece, Black, Set of 12 and Handle

• VERSATILE 12-PIECE SET FOR TOOLMAKERS, JEWELERS, AND HOBBYISTS.
• DURABLE CHROMIUM ALLOY STEEL ENSURES LONG-LASTING PERFORMANCE.
• ERGONOMIC DESIGN ALLOWS OPTIMAL PRESSURE AND COMFORT WHILE FILING.

BUY & SAVE

$22.55 $24.94

Save 10%

9

SHALL 17Pcs Metal File Set - Premium Grade T12 Drop Forged Alloy Steel - Flat/Triangle/Half-round/Round Large File & 12pcs Needle Files with Storage Box, Wire Brush - for Metal, Wood & Plastic

• 17-PIECE SET FOR VERSATILE USE IN WOODWORKING AND DIY PROJECTS.
• DURABLE T12 ALLOY STEEL ENSURES LONG-LASTING PERFORMANCE AND RELIABILITY.
• ERGONOMIC, NON-SLIP HANDLES FOR COMFORT AND IMPROVED WORK EFFICIENCY.

BUY & SAVE

$21.99 $29.99

Save 27%

+

ONE MORE?

Creating a text file in Delphi involves a few simple steps:

1. Declare a variable of the type 'Text', which represents the text file.
2. Open the text file using the 'AssignFile' procedure, passing the variable and the desired file name as parameters.
3. Use the 'Rewrite' procedure to create a new text file or overwrite an existing one.
4. Write the desired text to the text file using the 'Write' or 'WriteLn' procedures, along with the variable representing the text file.
5. Close the text file using the 'CloseFile' procedure.
6. Optionally, you can handle any exceptions that may occur during the file handling process to ensure the program's stability.

Keep in mind that when creating a text file, you need to provide the full path or specify a relative path to indicate where the file should be created.

What is the purpose of the Rewrite procedure in Delphi?

The purpose of the Rewrite procedure in Delphi is to open a file in write mode, erase its previous contents (if any), and prepare it for writing. It allows the programmer to start writing data to the specified file from the beginning.

The Rewrite procedure is typically used in conjunction with the Write and Writeln procedures to write data to a file. Once the Rewrite procedure is called, the file is considered "open" and can be accessed for writing purposes.

Here is an example of how the Rewrite procedure can be used in Delphi:

var MyFile: TextFile; MyData: string;

begin AssignFile(MyFile, 'C:\MyFile.txt'); Rewrite(MyFile); // Open the file in write mode

MyData := 'This is some data'; WriteLn(MyFile, MyData); // Write data to the file

CloseFile(MyFile); // Close the file after writing is finished end.

In this example, the Rewrite procedure is used to open the file named "MyFile.txt" in write mode. The WriteLn procedure is then used to write the string "This is some data" to the file. Finally, the CloseFile procedure is used to close the file.

How to convert a text file to uppercase in Delphi?

To convert a text file to uppercase in Delphi, you can use the following steps:

1. Open the text file using the TStreamReader and TStreamWriter classes from the System.Classes unit.
2. Create an instance of TStreamReader and TStreamWriter by passing the input and output file paths, respectively.
3. Use a loop to read each line from the input file using the ReadLine method of TStreamReader.
4. Convert each line to uppercase using the UpperCase function.
5. Write the uppercase line to the output file using the WriteLine method of TStreamWriter.
6. After processing all lines, close both the input and output files.

Here's an example code snippet that demonstrates the above steps:

uses System.Classes;

procedure ConvertFileToUppercase(const InputFilePath, OutputFilePath: string); var InputFile: TStreamReader; OutputFile: TStreamWriter; Line: string; begin InputFile := nil; OutputFile := nil;

try InputFile := TStreamReader.Create(InputFilePath); OutputFile := TStreamWriter.Create(OutputFilePath);

while not InputFile.EndOfStream do
begin
  Line := InputFile.ReadLine;
  Line := UpperCase(Line);
  OutputFile.WriteLine(Line);
end;

finally InputFile.Free; OutputFile.Free; end; end;

To use this code, simply call the ConvertFileToUppercase procedure and pass the input and output file paths as parameters. For example:

ConvertFileToUppercase('input.txt', 'output.txt');

Ensure that you have read and write permissions for the specified input and output file paths.

How to open an existing text file in Delphi?

To open an existing text file in Delphi, you can use the TFileStream or TStringList class.

Using TFileStream:

1. Add "Classes" to your uses clause: uses Classes;
2. Declare a variable of type TFileStream: var MyFileStream: TFileStream;
3. Create an instance of TFileStream and open the file in read-only mode: MyFileStream := TFileStream.Create('path/to/your/file.txt', fmOpenRead);
4. Read the contents of the file using the ReadString method: var FileContents: string; FileSize: Integer; begin FileSize := MyFileStream.Size; SetLength(FileContents, FileSize); MyFileStream.Read(Pointer(FileContents)^, FileSize); ShowMessage(FileContents); end;
5. Close the file: MyFileStream.Free;

Using TStringList:

1. Add "Classes" to your uses clause: uses Classes;
2. Declare a variable of type TStringList: var MyStringList: TStringList;
3. Create an instance of TStringList: MyStringList := TStringList.Create;
4. Load the contents of the file into the TStringList object using the LoadFromFile method: MyStringList.LoadFromFile('path/to/your/file.txt');
5. Access the contents of the file using the Strings property: ShowMessage(MyStringList.Text);
6. Free the TStringList object: MyStringList.Free;

Make sure to replace 'path/to/your/file.txt' with the actual path to your file.

How to check if a text file exists in Delphi?

To check if a text file exists in Delphi, you can use the FileExists function from the SysUtils unit. Here's an example code:

uses SysUtils;

...

function FileExists(const FileName: string): Boolean;

var MyFile: string; begin MyFile := 'path\to\your\file.txt'; // Replace with the actual file path

if FileExists(MyFile) then ShowMessage('File exists.') else ShowMessage('File does not exist.'); end;

Replace 'path\to\your\file.txt' with the actual file path you want to check. The FileExists function returns a Boolean value indicating whether the specified file exists.

How to skip certain lines when reading a text file in Delphi?

In Delphi, you can skip certain lines while reading a text file by using the TStreamReader class and its ReadLine method. The TStreamReader class allows you to read a file line by line.

Here's an example code that demonstrates how to skip specific lines when reading a text file:

var FileReader: TStreamReader; Line: string; LineToSkip: Integer; begin LineToSkip := 3; // Skip line 3 FileReader := TStreamReader.Create('C:\path\to\file.txt'); try while not FileReader.EndOfStream do begin Line := FileReader.ReadLine;

  // Skip the line if its line number matches the LineToSkip value
  if FileReader.LineNumber = LineToSkip then
    Continue;
  
  // Process the current line
  // ...
  
  // Display the line
  ShowMessage(Line);
end;

finally FileReader.Free; end; end;

In the above code, we create a TStreamReader object FileReader and pass the path of the text file to its constructor. We then use a while loop to read each line of the file using the ReadLine method.

Inside the loop, we check if the current line's line number matches the LineToSkip value. If it does, we use the Continue statement to skip the remaining code for that iteration and move on to the next line. Otherwise, we process the current line as needed and display it using ShowMessage in this example.

You can change the value of LineToSkip variable to skip different lines according to your requirements.