DuploQ is an open-source graphical user interface (GUI) frontend for the Duplo duplicate finder command-line tool, designed to scan and locate copy-pasted blocks of source code across programming projects.
By identifying heavily repeated code fragments, the software helps developers refactor their code bases, reduce technical debt, and improve application stability. Key Functions
Code Fragment Detection: Unlike tools that search for 100% identical files, DuploQ analyzes specific file fragments to catch copy-pasted text blocks within or across different files.
Visual Data Presentation: The tool takes raw textual output from the Duplo engine and transforms it into easy-to-read, interactive visual views.
Built-in Language Support: It parses and analyzes major languages directly—including C, C++, C#, Java, and JavaScript—but can adapt to analyze almost any text-based format. Visual Interface Modes
The software organizes analysis results across multiple custom tabs:
File-Based Statistics: Displays a list of target files containing repeated blocks, sorted by the volume of duplicated lines. It distinguishes between internal (inside the same file) and external (across multiple files) duplication.
Side-by-Side View: Highlights duplicated logic blocks directly inside code text windows so developers can visibly trace copy-paste origins.
Hierarchical Block View: Structures all matching code blocks into a parent-child tree hierarchy to clearly emphasize which blocks repeat the most. Technical Details
Framework: Built on the cross-platform Qt C++ framework, allowing the software to look and feel native.
Supported OS Platforms: Runs natively on Microsoft Windows and Linux systems.
Availability: Maintained as an open-source repository available via GitHub, where users can download pre-compiled binaries or build the project directly from source files using qmake.
Are you planning to use DuploQ to clean up a specific software project, or are you evaluating different code-quality tools for your development team?
DuploQ – GUI for finding duplicates in source files – GitHub
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