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How to Use zbarimg on macOS for Barcode Scanning

zbarimg is a command-line tool that is part of the ZBar suite, used for reading barcodes from image files. While ZBar is a powerful tool for barcode scanning, it is not natively available on macOS. However, you can still use zbarimg on macOS by installing it via Homebrew, a popular package manager for macOS. This article will guide you through the process of installing zbarimg and provide practical examples of how to use it for barcode scanning on macOS.

Examples:

  1. Installing Homebrew: If you don't already have Homebrew installed, you can install it by running the following command in your Terminal:

    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
  2. Installing ZBar: Once Homebrew is installed, you can install ZBar by running:

    brew install zbar
  3. Using zbarimg to Scan Barcodes: After installing ZBar, you can use the zbarimg command to scan barcodes from image files. Here is an example of how to use it:

    zbarimg /path/to/your/barcode_image.png

    This command will output the decoded barcode information. For example:

    QR-Code: This is a sample QR code
    scanned 1 barcode symbols from 1 images in 0.04 seconds
  4. Advanced Usage: You can also use zbarimg with various options to customize its behavior. Here are a few useful options:

    • -q or --quiet: Suppress all non-error messages.
    • -S<config>: Set an internal configuration option. For example, -Sdisable disables all symbologies, and -Sqrcode.enable enables only QR code scanning.

    Example:

    zbarimg -q -Sdisable -Sqrcode.enable /path/to/your/barcode_image.png
  5. Automating Barcode Scanning with a Script: You can create a simple shell script to automate the barcode scanning process. Here is an example script:

    #!/bin/bash
    for img in /path/to/your/images/*.png; do
       echo "Scanning $img"
       zbarimg -q "$img"
    done

    Save this script as scan_barcodes.sh, make it executable, and run it:

    chmod +x scan_barcodes.sh
    ./scan_barcodes.sh

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