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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

start new:

tmux

start new with session name:

tmux new -s myname

As configured in my dotfiles.

start new:

tmux

start new with session name:

	#!/usr/bin/env bash

	#
	# This is sp, the command-line Spotify controller. It talks to a running
	# instance of the Spotify Linux client over dbus, providing an interface not
	# unlike mpc.
	#
	# Put differently, it allows you to control Spotify without leaving the comfort
	# of your command line, and without a custom client or Premium subscription.
	#

	/***************************************************
	* Simple and elegant, no code complexity
	* Disadvantages: Requires warming all data into server memory (could take a long time for MBs of data or millions of records)
	* (This disadvantage should go away as we add optimizations to the core product)
	***************************************************/

	var fb = firebase.database.ref();

	/**
	* @param {string} emailAddress

	tell application "Google Chrome"
	activate
	tell application "System Events" to keystroke "r" using command down
	end tell

	# Tell system when Xcode utilities live:
	sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer

	# Set "opendiff" as the default mergetool globally:
	git config --global merge.tool opendiff

	/*
	* This work is free. You can redistribute it and/or modify it under the
	* terms of the Do What The Fuck You Want To Public License, Version 2,
	* as published by Sam Hocevar. See the COPYING file for more details.
	*/
	/*
	* Easing Functions - inspired from http://gizma.com/easing/
	* only considering the t value for the range [0, 1] => [0, 1]
	*/
	EasingFunctions = {