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Tutorial: Learn To Sort A Text File On Windows With C++

In C++ Builder sorting text string lines is very easy by setting Sorted property of a StringList to true. This example below sorts a given text file and saves as sorted in same name.

Sorting a Text File with a Console VCL Application

  1. Create a new C++ Builder Console VCL project, Save all unit and project files into a folder. modify lines as below

2. Hit F9 or press Run button to run your code.

That’s All.

Sorting a Text File with a Console FMX Application

If you want to develop on MutliDevice platforms you must create FireMonkey Project. You can do as same here in C++ Builder FMX Console Project, as below;
1. Create a new C++ Builder Console FMX project, Save all unit and project files into a folder. modify lines as below

2. Hit F9 or press Run button to run your code.

Sorting a Text File with a GUI based FMX or VCL Visual Application

If you want to use GUIs (Like Buttons, Memos, Edits, etc.) we can use OpenDialog component and a OnClick() event of a Button.

1. Create a new C++ Builder Console FMX or VCL project, Save all unit and project files into a folder. modify lines as below

2. Drag OpenDialog component on to form and a Button. Double click to button to create OnClick() event and modify it as below.

3. Add our sort_textfile() procedure above these lines or in public declarations of TForm in Unit1.h
4. Hit F9 or press Run button to run your code.

Note that file format should be in *.txt form and it will be modified after used.

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About author

33+ years of coding with more than 30+ programming languages, mostly C++ on Windows, Android, Mac-OS, iOS, Linux and some other operating systems. Dr. Yilmaz Yoru was born in 1974, Eskisehir-Turkey. He graduated from the department of Mechanical Engineering of Eskisehir Osmangazi University in 1997. One year later he started to work in the same university as an assistant. He received his MSc and PhD degrees from the same department of the same university. He has married and he is a father of a son. Some of his interests are Programming, Thermodynamics, Fluid Mechanics and Artificial Intelligence. He also likes the graphical 2D & 3D design and high-end innovations.
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