A terminal-based QR code scanner that uses the system camera or image files to decode QR codes.
qrscan is a command-line utility written in Rust that scans and decodes QR codes using the system camera or from image files. It solves the problem of needing a separate app or GUI tool to read QR codes by providing a fast, terminal-based solution that can be integrated into scripts and automation workflows.
Developers, system administrators, and command-line users who need to quickly scan QR codes without leaving the terminal or who want to integrate QR code scanning into automated scripts.
Developers choose qrscan for its simplicity, speed, and seamless integration into terminal workflows, offering features like camera preview, image file support, and export options that are not typically available in other command-line QR code tools.
Scan a QR code in the terminal using the system camera or a given image
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Enables real-time scanning with a terminal preview using the --preview flag, allowing users to scan QR codes directly from the camera without leaving the command line, as demonstrated in the video and usage examples.
Supports scanning from image files or stdin, facilitating integration with scripts and pipelines, such as piping ImageMagick output to qrscan for quick scanning from screenshots.
Can export decoded QR codes as SVG, PNG, JPEG, or ASCII art files using options like --svg, --png, etc., providing versatility for documentation or further processing.
Lightweight and fast, designed for seamless command-line integration, making it ideal for automation and quick access without GUI overhead, as highlighted in the philosophy.
Installing via Cargo on Ubuntu requires first installing libclang-dev, adding extra steps compared to pre-built binaries or other package managers, which can be a barrier for quick setup.
Likely handles only one QR code per execution, lacking built-in batch processing for multiple codes, which may require scripting workarounds and reduce efficiency for bulk scanning tasks.
For camera scanning, it relies on system camera availability and permissions, making it unsuitable for headless servers or environments where camera access is restricted or unavailable.