visionmedia/node-growl — pull request #35 by rstacruz (2013-06-20 23:19:11+00:00)
Title: Fix images failing when they have spaces (Linux)

Reproduce:

touch "a b.png"
npm install growl
node -e "require('growl')('hi', { image: 'a b.png' })"

Haven't tested this (hence the separate PR), but seems fair that it should work.