How to convert Imagemagick morphology of Erode Square to Rmagick?

Question

I tried the following code in imagemagick:

convert input.jpg -morphology Erode Square output.jpg 

I need to convert it to RMagick so that I can use rails in the application

Answer 1

You can always write it with the operator << :

 MiniMagick::Tool::Convert.new do |convert| convert << 'input.jpg' convert << '-morphology' << 'Erode' << 'Square' convert << 'output.jpg' end