Wicked Cool Ruby Scripts

Resize a Picture

Resize a Picture

resizePhoto.rb

Digital SLR cameras provide tremendous resolution, but that makes for very large files. Many times I have found myself wanting to use a picture in a website or email and am forced to fire up the GIMP to shrink the pictures to a more manageable size. This script will tear through shrinking a picture to whatever size you want. We already covered how to rip through files to generate thumbnails in a previous script (see "#24 Creating a Thumbnail" on Creating a Thumbnail). This script is similar, but instead of shrinking everything to 10 percent, we'll set the final dimensions in the code—a nice feature if you're embedding images into the frame of a website.

The Code

 require 'RMagick'
 include Magick

 unless ...