Simple image resizing tool written in Golang
$ goresize -i input.png -h 600 -w 400 -o output.png
$ goresize -i input.png -h 600 -w 400 -o output.png
$ goresize -i input.png -h 600 -o output.png
$ goresize -i input.png -w 600 -o output.png
$ goresize -i input.png -w 600 # -> output.png[General options]
--height, -h: image height (defaults to: 100)
--width, -w: image width (defaults to: 0)
--input, -i: input filename
--output, -o: output filename (defaults to: output.png)