The gifsicle command line utility as a readable/writable stream.
Based heavily on node-jpegtran which is written by papandreou.
$ npm install gifsicle-stream
The constructor accepts an optional array of command line options for the gifsicle binary:
var Gifsicle = require('gifsicle-stream'), gifProcessor = new Gifsicle(['-w', '-O3']); readStream.pipe(gifProcessor).pipe(writeStream);
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