Commandline tool for resizing images. Exercise from the Gophers Aachen workshop.
Read all jpg files from the input directory, resize them with the given width and height and write the resized images to the output directory.
go run main.go input-dir output-dir width height
Sample usage
go run main.go "C:\Users\philipilihp\images" "C:\Users\philipilihp\resized-images" "800" "600"