npx

an npm package runner.

Executes either from a local node_modules/.bin, or from a central cache, installing any packages needed in order for to run.

P.S: [email protected] is shipped with npx!

Get it: npm install -g npx

Sample usage:

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$ npm i -D cowsay

$ npx cowsay "HolyCow!"

GIF FTW!

P.S: In case you have missed reading Introducing npx: an npm package runner , do read it!