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Xcode-Image-Resizer

A handy bash script to help generate 1x, 2x, and 3x image sizes for Xcode

This Bash script dynamically resizes JPG, JPEG, PNG, and GIF images in a specified directory to 1x, 2x, and 3x their original dimensions. It's designed to work on macOS, utilizing the sips command for image processing.

Prerequisites

  • macOS operating system
  • sips command-line tool (pre-installed on macOS)
  • awk command-line utility (pre-installed on macOS)

Installation

Short Way

curl -O https://raw.githubusercontent.com/morganzellers/Xcode-Image-Resizer/main/resize-images.sh && chmod +x resize-images.sh

Long Way

  1. Download the resize-images.sh script to your local machine.

  2. Open Terminal and navigate to the directory containing the downloaded script.

  3. Make the script executable by running:

    chmod +x resize-images.sh

Usage

To use the script, simply pass the directory containing your images as an argument to the script. The script will create an output subdirectory within the specified directory, where it will save the resized images.

./resize-images.sh /path/to/your/image_directory

What the Script Does

  • 🖼 Processes each image: The script identifies all JPEG, PNG, and GIF images in the specified directory and generates resized versions at 1x, 2x, and 3x their original dimensions.
  • ✅ Outputs status messages: With each step, the script outputs fun and informative messages with emojis, indicating the progress and any issues encountered.
  • 📁 Organizes resized images: All resized images are neatly stored in an output folder within the original directory, named according to their size multiplier (e.g., image_1x.jpg, image_2x.jpg, image_3x.jpg).

Troubleshooting

  • Command Not Found: If you encounter a command not found error, ensure the script is executable (chmod +x resize-images.sh).
  • Permission Denied: Make sure you have read and write permissions for the directory containing your images and the script.
  • Images Not Resizing: Check that your images are in a supported format (JPEG, PNG, GIF) and that there are no spaces or special characters in the file names that might be causing issues.

Contributing

Feel free to fork the repository, make improvements, and submit pull requests if you have ideas!

License

This script is released under the Unlicense. See LICENSE file for more details, but you can basically do whatever you want.